Add final copyright notice
diff --git a/ocl/docs/publications/OCL2012OCLVM/OCL2012OCLVM.odp b/ocl/docs/publications/OCL2012OCLVM/OCL2012OCLVM.odp
index 77839d3..c9c488b 100644
--- a/ocl/docs/publications/OCL2012OCLVM/OCL2012OCLVM.odp
+++ b/ocl/docs/publications/OCL2012OCLVM/OCL2012OCLVM.odp
Binary files differ
diff --git a/ocl/docs/publications/OCL2012OCLVM/OCL2012OCLVM.pdf b/ocl/docs/publications/OCL2012OCLVM/OCL2012OCLVM.pdf
index 4a0a8c2..0a1e1f1 100644
--- a/ocl/docs/publications/OCL2012OCLVM/OCL2012OCLVM.pdf
+++ b/ocl/docs/publications/OCL2012OCLVM/OCL2012OCLVM.pdf
Binary files differ
diff --git a/ocl/docs/publications/OCL2012OCLVM/OCL2012OCLVM.tex b/ocl/docs/publications/OCL2012OCLVM/OCL2012OCLVM.tex
index 310589b..d6fc637 100644
--- a/ocl/docs/publications/OCL2012OCLVM/OCL2012OCLVM.tex
+++ b/ocl/docs/publications/OCL2012OCLVM/OCL2012OCLVM.tex
@@ -1,34 +1,59 @@
-% THIS IS SIGPROC-SP.TEX - VERSION 3.1
-% WORKS WITH V3.2SP OF ACM_PROC_ARTICLE-SP.CLS
-% APRIL 2009
+% This is "sig-alternate.tex" V2.0 May 2012
+% This file should be compiled with V2.5 of "sig-alternate.cls" May 2012
 %
-% It is an example file showing how to use the 'acm_proc_article-sp.cls' V3.2SP
-% LaTeX2e document class file for Conference Proceedings submissions.
+% This example file demonstrates the use of the 'sig-alternate.cls'
+% V2.5 LaTeX2e document class file. It is for those submitting
+% articles to ACM Conference Proceedings WHO DO NOT WISH TO
+% STRICTLY ADHERE TO THE SIGS (PUBS-BOARD-ENDORSED) STYLE.
+% The 'sig-alternate.cls' file will produce a similar-looking,
+% albeit, 'tighter' paper resulting in, invariably, fewer pages.
+%
 % ----------------------------------------------------------------------------------------------------------------
-% This .tex file (and associated .cls V3.2SP) *DOES NOT* produce:
+% This .tex file (and associated .cls V2.5) produces:
 %       1) The Permission Statement
 %       2) The Conference (location) Info information
 %       3) The Copyright Line with ACM data
-%       4) Page numbering
+%       4) NO page numbers
+%
+% as against the acm_proc_article-sp.cls file which
+% DOES NOT produce 1) thru' 3) above.
+%
+% Using 'sig-alternate.cls' you have control, however, from within
+% the source .tex file, over both the CopyrightYear
+% (defaulted to 200X) and the ACM Copyright Data
+% (defaulted to X-XXXXX-XX-X/XX/XX).
+% e.g.
+% \CopyrightYear{2007} will cause 2007 to appear in the copyright line.
+% \crdata{0-12345-67-8/90/12} will cause 0-12345-67-8/90/12 to appear in the copyright line.
+%
 % ---------------------------------------------------------------------------------------------------------------
-% It is an example which *does* use the .bib file (from which the .bbl file
-% is produced).
+% This .tex source is an example which *does* use
+% the .bib file (from which the .bbl file % is produced).
 % REMEMBER HOWEVER: After having produced the .bbl file,
-% and prior to final submission,
-% you need to 'insert'  your .bbl file into your source .tex file so as to provide
+% and prior to final submission, you *NEED* to 'insert'
+% your .bbl file into your source .tex file so as to provide
 % ONE 'self-contained' source file.
 %
-% Questions regarding SIGS should be sent to
-% Adrienne Griscti ---> griscti@acm.org
+% ================= IF YOU HAVE QUESTIONS =======================
+% Questions regarding the SIGS styles, SIGS policies and
+% procedures, Conferences etc. should be sent to
+% Adrienne Griscti (griscti@acm.org)
 %
-% Questions/suggestions regarding the guidelines, .tex and .cls files, etc. to
-% Gerald Murray ---> murray@hq.acm.org
+% Technical questions _only_ to
+% Gerald Murray (murray@hq.acm.org)
+% ===============================================================
 %
-% For tracking purposes - this is V3.1SP - APRIL 2009
+% For tracking purposes - this is V2.0 - May 2012
 
-\documentclass{acm_proc_article-sp}
+\documentclass{sig-alternate}
 \usepackage{multirow}
 \begin{document}
+%
+% --- Author Metadata here ---
+\conferenceinfo{OCL}{'12, September 30 2012, Innsbruck, Austria}
+\CopyrightYear{2012} % Allows default copyright year (20XX) to be over-ridden - IF NEED BE.
+\crdata{978-1-4503-1799-3/12/09}  % Allows default copyright data (0-89791-88-6/97/05) to be over-ridden - IF NEED BE.
+% --- End of Metadata ---
 
 \title{An extensible OCL Virtual Machine and Code Generator}
 
diff --git a/ocl/docs/publications/OCL2012OCLVM/sig-alternate.cls b/ocl/docs/publications/OCL2012OCLVM/sig-alternate.cls
new file mode 100644
index 0000000..a3f68d9
--- /dev/null
+++ b/ocl/docs/publications/OCL2012OCLVM/sig-alternate.cls
@@ -0,0 +1,1649 @@
+% SIG-ALTERNATE.CLS - VERSION 2.5
+% "COMPATIBLE" WITH THE "ACM_PROC_ARTICLE-SP.CLS" V3.2SP
+% Gerald Murray - May 23rd 2012
+%
+% ---- Start of 'updates'  ----
+% Changed $10 fee to $15 -- May 2012  --  Gerry
+% Changed $5 fee to $10 --  April 2009 -- Gerry
+% April 22nd. 2009 - Fixed 'Natbib' incompatibility problem - Gerry
+% April 22nd. 2009 - Fixed 'Babel' incompatibility problem - Gerry
+% April 22nd. 2009 - Inserted various bug-fixes and improvements - Gerry
+%
+% To produce Type 1 fonts in the document plus allow for 'normal LaTeX accenting' in the critical areas;
+% title, author block, section-heads, confname, etc. etc. 
+% i.e. the whole purpose of this version update is to NOT resort to 'inelegant accent patches'.
+% After much research, three extra .sty packages were added to the the tail (ae, aecompl, aeguill) to solve,
+% in particular, the accenting problem(s). We _could_ ask authors (via instructions/sample file) to 'include' these in
+% the source .tex file - in the preamble - but if everything is already provided ('behind the scenes' - embedded IN the .cls)
+% then this is less work for authors and also makes everything appear 'vanilla'.
+% NOTE: all 'patchwork accenting" has been commented out (here) and is no longer 'used' in the sample .tex file (either).
+% Gerry June 2007
+%
+% Patch for accenting in conference name/location. Gerry May 3rd. 2007
+% Rule widths changed to .5, author count (>6) fixed, roll-back for Type 3 problem. Gerry March 20th. 2007
+% Changes made to 'modernize' the fontnames but esp. for MikTeX users V2.4/2.5 - Nov. 30th. 2006
+% Updated the \email definition to allow for its use inside of 'shared affiliations' - Nov. 30th. 2006
+% Fixed the 'section number depth value' - Nov. 30th. 2006
+%
+% Footnotes inside table cells using \minipage (Oct. 2002)
+% Georgia fixed bug in sub-sub-section numbering in paragraphs (July 29th. 2002)
+% JS/GM fix to vertical spacing before Proofs (July 30th. 2002)
+%
+% Made the Permission Statement / Conference Info / Copyright Info
+% 'user definable' in the source .tex file OR automatic if
+% not specified.
+%
+% Allowance made to switch default fonts between those systems using
+% normal/modern font names and those using 'Type 1' or 'Truetype' fonts.
+% See LINE NUMBER 255 for details.
+% Also provided for enumerated/annotated Corollaries 'surrounded' by
+% enumerated Theorems (line 848).
+% Gerry November 11th. 1999
+%
+% ---- End of 'updates' ----
+%
+\def\fileversion{v2.5}          % for ACM's tracking purposes
+\def\filedate{May 23, 2012}    % Gerry Murray's tracking data
+\def\docdate {Wednesday 23rd. May 2012} % Gerry Murray (with deltas to doc}
+\usepackage{epsfig}
+\usepackage{amssymb}
+\usepackage{amsmath}
+\usepackage{amsfonts}
+% Need this for accents in Arial/Helvetica
+%\usepackage[T1]{fontenc}  % Gerry March 12, 2007 - causes Type 3 problems (body text)
+%\usepackage{textcomp}
+%
+% SIG-ALTERNATE DOCUMENT STYLE
+% G.K.M. Tobin August-October 1999
+%    adapted from ARTICLE document style by Ken Traub, Olin Shivers
+%    also using elements of esub2acm.cls
+% HEAVILY MODIFIED, SUBSEQUENTLY, BY GERRY MURRAY 2000
+% ARTICLE DOCUMENT STYLE -- Released 16 March 1988
+%    for LaTeX version 2.09
+% Copyright (C) 1988 by Leslie Lamport
+%
+%
+%%% sig-alternate.cls is an 'ALTERNATE' document style for producing
+%%% two-column camera-ready pages for ACM conferences.
+%%% THIS FILE DOES NOT STRICTLY ADHERE TO THE SIGS (BOARD-ENDORSED)
+%%% PROCEEDINGS STYLE. It has been designed to produce a 'tighter'
+%%% paper in response to concerns over page budgets.
+%%% The main features of this style are:
+%%%
+%%% 1)  Two columns.
+%%% 2)  Side and top margins of 4.5pc, bottom margin of 6pc, column gutter of
+%%%     2pc, hence columns are 20pc wide and 55.5pc tall.  (6pc =3D 1in, approx)
+%%% 3)  First page has title information, and an extra 6pc of space at the
+%%%     bottom of the first column for the ACM copyright notice.
+%%% 4)  Text is 9pt on 10pt baselines; titles (except main) are 9pt bold.
+%%%
+%%%
+%%% There are a few restrictions you must observe:
+%%%
+%%% 1)  You cannot change the font size; ACM wants you to use 9pt.
+%%% 3)  You must start your paper with the \maketitle command.  Prior to the
+%%%     \maketitle you must have \title and \author commands.  If you have a
+%%%     \date command it will be ignored; no date appears on the paper, since
+%%%     the proceedings will have a date on the front cover.
+%%% 4)  Marginal paragraphs, tables of contents, lists of figures and tables,
+%%%     and page headings are all forbidden.
+%%% 5)  The `figure' environment will produce a figure one column wide; if you
+%%%     want one that is two columns wide, use `figure*'.
+%%%
+%
+%%% Copyright Space:
+%%% This style automatically reserves 1" blank space at the bottom of page 1/
+%%% column 1.  This space can optionally be filled with some text using the
+%%% \toappear{...} command.  If used, this command must be BEFORE the \maketitle
+%%% command.  If this command is defined AND [preprint] is on, then the
+%%% space is filled with the {...} text (at the bottom); otherwise, it is
+%%% blank.  If you use \toappearbox{...} instead of \toappear{...} then a
+%%% box will be drawn around the text (if [preprint] is on).
+%%%
+%%% A typical usage looks like this:
+%%%     \toappear{To appear in the Ninth AES Conference on Medievil Lithuanian
+%%%               Embalming Technique, June 1991, Alfaretta, Georgia.}
+%%% This will be included in the preprint, and left out of the conference
+%%% version.
+%%%
+%%% WARNING:
+%%% Some dvi-ps converters heuristically allow chars to drift from their
+%%% true positions a few pixels. This may be noticeable with the 9pt sans-serif
+%%% bold font used for section headers.
+%%% You may turn this hackery off via the -e option:
+%%%     dvips -e 0 foo.dvi >foo.ps
+%%%
+\typeout{Document Class 'sig-alternate' <23rd. May '12>.  Modified by G.K.M. Tobin/Gerry Murray}
+\typeout{Based in part upon document Style `acmconf' <22 May 89>. Hacked 4/91 by}
+\typeout{shivers@cs.cmu.edu, 4/93 by theobald@cs.mcgill.ca}
+\typeout{Excerpts were taken from (Journal Style) 'esub2acm.cls'.}
+\typeout{****** Bugs/comments/suggestions/technicalities to Gerry Murray -- murray@hq.acm.org ******}
+\typeout{Questions on the style, SIGS policies, etc. to Adrienne Griscti griscti@acm.org}
+\oddsidemargin 4.5pc
+\evensidemargin 4.5pc
+\advance\oddsidemargin by -1in  % Correct for LaTeX gratuitousness
+\advance\evensidemargin by -1in % Correct for LaTeX gratuitousness
+\marginparwidth 0pt             % Margin pars are not allowed.
+\marginparsep 11pt              % Horizontal space between outer margin and
+                                % marginal note
+
+                                % Top of page:
+\topmargin 4.5pc                % Nominal distance from top of page to top of
+                                % box containing running head.
+\advance\topmargin by -1in      % Correct for LaTeX gratuitousness
+\headheight 0pt                 % Height of box containing running head.
+\headsep 0pt                    % Space between running head and text.
+                                % Bottom of page:
+\footskip 30pt                  % Distance from baseline of box containing foot
+                                % to baseline of last line of text.
+\@ifundefined{footheight}{\newdimen\footheight}{}% this is for LaTeX2e
+\footheight 12pt                % Height of box containing running foot.
+
+%% Must redefine the top margin so there's room for headers and
+%% page numbers if you are using the preprint option. Footers
+%% are OK as is. Olin.
+\advance\topmargin by -37pt     % Leave 37pt above text for headers
+\headheight 12pt                % Height of box containing running head.
+\headsep 25pt                   % Space between running head and text.
+
+\textheight 666pt       % 9 1/4 column height
+\textwidth 42pc         % Width of text line.
+                        % For two-column mode:
+\columnsep 2pc          %    Space between columns
+\columnseprule 0pt      %    Width of rule between columns.
+\hfuzz 1pt              % Allow some variation in column width, otherwise it's
+                        % too hard to typeset in narrow columns.
+
+\footnotesep 5.6pt      % Height of strut placed at the beginning of every
+                        % footnote =3D height of normal \footnotesize strut,
+                        % so no extra space between footnotes.
+
+\skip\footins 8.1pt plus 4pt minus 2pt  % Space between last line of text and
+                                        % top of first footnote.
+\floatsep 11pt plus 2pt minus 2pt       % Space between adjacent floats moved
+                                        % to top or bottom of text page.
+\textfloatsep 18pt plus 2pt minus 4pt   % Space between main text and floats
+                                        % at top or bottom of page.
+\intextsep 11pt plus 2pt minus 2pt      % Space between in-text figures and
+                                        % text.
+\@ifundefined{@maxsep}{\newdimen\@maxsep}{}% this is for LaTeX2e
+\@maxsep 18pt                           % The maximum of \floatsep,
+                                        % \textfloatsep and \intextsep (minus
+                                        % the stretch and shrink).
+\dblfloatsep 11pt plus 2pt minus 2pt    % Same as \floatsep for double-column
+                                        % figures in two-column mode.
+\dbltextfloatsep 18pt plus 2pt minus 4pt% \textfloatsep for double-column
+                                        % floats.
+\@ifundefined{@dblmaxsep}{\newdimen\@dblmaxsep}{}% this is for LaTeX2e
+\@dblmaxsep 18pt                        % The maximum of \dblfloatsep and
+                                        % \dbltexfloatsep.
+\@fptop 0pt plus 1fil    % Stretch at top of float page/column. (Must be
+                         % 0pt plus ...)
+\@fpsep 8pt plus 2fil    % Space between floats on float page/column.
+\@fpbot 0pt plus 1fil    % Stretch at bottom of float page/column. (Must be
+                         % 0pt plus ... )
+\@dblfptop 0pt plus 1fil % Stretch at top of float page. (Must be 0pt plus ...)
+\@dblfpsep 8pt plus 2fil % Space between floats on float page.
+\@dblfpbot 0pt plus 1fil % Stretch at bottom of float page. (Must be
+                         % 0pt plus ... )
+\marginparpush 5pt       % Minimum vertical separation between two marginal
+                         % notes.
+
+\parskip 0pt plus 1pt            % Extra vertical space between paragraphs.
+\parindent 9pt  % GM July 2000 / was 0pt - width of paragraph indentation.
+\partopsep 2pt plus 1pt minus 1pt% Extra vertical space, in addition to
+                                 % \parskip and \topsep, added when user
+                                 % leaves blank line before environment.
+
+\@lowpenalty   51       % Produced by \nopagebreak[1] or \nolinebreak[1]
+\@medpenalty  151       % Produced by \nopagebreak[2] or \nolinebreak[2]
+\@highpenalty 301       % Produced by \nopagebreak[3] or \nolinebreak[3]
+
+\@beginparpenalty -\@lowpenalty % Before a list or paragraph environment.
+\@endparpenalty   -\@lowpenalty % After a list or paragraph environment.
+\@itempenalty     -\@lowpenalty % Between list items.
+
+%\@namedef{ds@10pt}{\@latexerr{The `10pt' option is not allowed in the `acmconf'
+\@namedef{ds@10pt}{\ClassError{The `10pt' option is not allowed in the `acmconf'	% January 2008
+  document style.}\@eha}
+%\@namedef{ds@11pt}{\@latexerr{The `11pt' option is not allowed in the `acmconf'
+\@namedef{ds@11pt}{\ClassError{The `11pt' option is not allowed in the `acmconf'	% January 2008
+  document style.}\@eha}
+%\@namedef{ds@12pt}{\@latexerr{The `12pt' option is not allowed in the `acmconf'
+\@namedef{ds@12pt}{\ClassError{The `12pt' option is not allowed in the `acmconf'	% January 2008
+  document style.}\@eha}
+
+\@options
+
+\lineskip 2pt           % \lineskip is 1pt for all font sizes.
+\normallineskip 2pt
+\def\baselinestretch{1}
+
+\abovedisplayskip 9pt plus2pt minus4.5pt%
+\belowdisplayskip \abovedisplayskip
+\abovedisplayshortskip  \z@ plus3pt%
+\belowdisplayshortskip  5.4pt plus3pt minus3pt%
+\let\@listi\@listI     % Setting of \@listi added 9 Jun 87
+
+\def\small{\@setsize\small{9pt}\viiipt\@viiipt
+\abovedisplayskip 7.6pt plus 3pt minus 4pt%
+\belowdisplayskip \abovedisplayskip
+\abovedisplayshortskip \z@ plus2pt%
+\belowdisplayshortskip 3.6pt plus2pt minus 2pt
+\def\@listi{\leftmargin\leftmargini %% Added 22 Dec 87
+\topsep 4pt plus 2pt minus 2pt\parsep 2pt plus 1pt minus 1pt
+\itemsep \parsep}}
+
+\def\footnotesize{\@setsize\footnotesize{9pt}\ixpt\@ixpt
+\abovedisplayskip 6.4pt plus 2pt minus 4pt%
+\belowdisplayskip \abovedisplayskip
+\abovedisplayshortskip \z@ plus 1pt%
+\belowdisplayshortskip 2.7pt plus 1pt minus 2pt
+\def\@listi{\leftmargin\leftmargini %% Added 22 Dec 87
+\topsep 3pt plus 1pt minus 1pt\parsep 2pt plus 1pt minus 1pt
+\itemsep \parsep}}
+
+\newcount\aucount
+\newcount\originalaucount
+\newdimen\auwidth
+\auwidth=\textwidth
+\newdimen\auskip
+\newcount\auskipcount
+\newdimen\auskip
+\global\auskip=1pc
+\newdimen\allauboxes
+\allauboxes=\auwidth
+\newtoks\addauthors
+\newcount\addauflag
+\global\addauflag=0 %Haven't shown additional authors yet
+
+\newtoks\subtitletext
+\gdef\subtitle#1{\subtitletext={#1}}
+
+\gdef\additionalauthors#1{\addauthors={#1}}
+
+\gdef\numberofauthors#1{\global\aucount=#1
+\ifnum\aucount>3\global\originalaucount=\aucount \global\aucount=3\fi %g}  % 3 OK - Gerry March 2007
+\global\auskipcount=\aucount\global\advance\auskipcount by 1
+\global\multiply\auskipcount by 2
+\global\multiply\auskip by \auskipcount
+\global\advance\auwidth by -\auskip
+\global\divide\auwidth by \aucount}
+
+% \and was modified to count the number of authors.  GKMT 12 Aug 1999
+\def\alignauthor{%                  % \begin{tabular}
+\end{tabular}%
+  \begin{tabular}[t]{p{\auwidth}}\centering}%
+
+%  *** NOTE *** NOTE *** NOTE *** NOTE ***
+%  If you have 'font problems' then you may need
+%  to change these, e.g. 'arialb' instead of "arialbd".
+%  Gerry Murray 11/11/1999
+%  *** OR ** comment out block A and activate block B or vice versa.
+% **********************************************
+%
+%  -- Start of block A -- (Type 1 or Truetype fonts)
+%\newfont{\secfnt}{timesbd at 12pt} % was timenrb originally - now is timesbd
+%\newfont{\secit}{timesbi at 12pt}   %13 Jan 00 gkmt
+%\newfont{\subsecfnt}{timesi at 11pt} % was timenrri originally - now is timesi
+%\newfont{\subsecit}{timesbi at 11pt} % 13 Jan 00 gkmt -- was times changed to timesbi gm 2/4/2000
+%                         % because "normal" is italic, "italic" is Roman
+%\newfont{\ttlfnt}{arialbd at 18pt} % was arialb originally - now is arialbd
+%\newfont{\ttlit}{arialbi at 18pt}    % 13 Jan 00 gkmt
+%\newfont{\subttlfnt}{arial at 14pt} % was arialr originally - now is arial
+%\newfont{\subttlit}{ariali at 14pt} % 13 Jan 00 gkmt
+%\newfont{\subttlbf}{arialbd at 14pt}  % 13 Jan 00 gkmt
+%\newfont{\aufnt}{arial at 12pt} % was arialr originally - now is arial
+%\newfont{\auit}{ariali at 12pt} % 13 Jan 00 gkmt
+%\newfont{\affaddr}{arial at 10pt} % was arialr originally - now is arial
+%\newfont{\affaddrit}{ariali at 10pt} %13 Jan 00 gkmt
+%\newfont{\eaddfnt}{arial at 12pt} % was arialr originally - now is arial
+%\newfont{\ixpt}{times at 9pt} % was timenrr originally - now is times
+%\newfont{\confname}{timesi at 8pt} % was timenrri - now is timesi
+%\newfont{\crnotice}{times at 8pt} % was timenrr originally - now is times
+%\newfont{\ninept}{times at 9pt} % was timenrr originally - now is times
+
+% *********************************************
+%  -- End of block A --
+%
+%
+% -- Start of block B -- UPDATED FONT NAMES
+% *********************************************
+% Gerry Murray 11/30/2006
+% *********************************************
+\newfont{\secfnt}{ptmb8t at 12pt}
+\newfont{\secit}{ptmbi8t at 12pt}    %13 Jan 00 gkmt
+\newfont{\subsecfnt}{ptmri8t at 11pt}
+\newfont{\subsecit}{ptmbi8t at 11pt}  % 
+\newfont{\ttlfnt}{phvb8t at 18pt}
+\newfont{\ttlit}{phvbo8t at 18pt}    % GM 2/4/2000
+\newfont{\subttlfnt}{phvr8t at 14pt}
+\newfont{\subttlit}{phvro8t at 14pt} % GM 2/4/2000
+\newfont{\subttlbf}{phvb8t at 14pt}  % 13 Jan 00 gkmt
+\newfont{\aufnt}{phvr8t at 12pt}
+\newfont{\auit}{phvro8t at 12pt}     % GM 2/4/2000
+\newfont{\affaddr}{phvr8t at 10pt}
+\newfont{\affaddrit}{phvro8t at 10pt} % GM 2/4/2000
+\newfont{\eaddfnt}{phvr8t at 12pt}
+\newfont{\ixpt}{ptmr8t at 9pt}
+\newfont{\confname}{ptmri8t at 8pt}
+\newfont{\crnotice}{ptmr8t at 8pt}
+\newfont{\ninept}{ptmr8t at 9pt}
+% +++++++++++++++++++++++++++++++++++++++++++++
+% -- End of block B --
+
+%\def\email#1{{{\eaddfnt{\vskip 4pt#1}}}}
+% If we have an email, inside a "shared affiliation" then we need the following instead
+\def\email#1{{{\eaddfnt{\par #1}}}}       % revised  - GM - 11/30/2006
+
+\def\addauthorsection{\ifnum\originalaucount>6  % was 3 - Gerry March 2007
+    \section{Additional Authors}\the\addauthors
+  \fi}
+
+\newcount\savesection
+\newcount\sectioncntr
+\global\sectioncntr=1
+
+\setcounter{secnumdepth}{3}
+
+\def\appendix{\par
+\section*{APPENDIX}
+\setcounter{section}{0}
+ \setcounter{subsection}{0}
+ \def\thesection{\Alph{section}} }
+
+\leftmargini 22.5pt
+\leftmarginii 19.8pt    % > \labelsep + width of '(m)'
+\leftmarginiii 16.8pt   % > \labelsep + width of 'vii.'
+\leftmarginiv 15.3pt    % > \labelsep + width of 'M.'
+\leftmarginv 9pt
+\leftmarginvi 9pt
+
+\leftmargin\leftmargini
+\labelsep 4.5pt
+\labelwidth\leftmargini\advance\labelwidth-\labelsep
+
+\def\@listI{\leftmargin\leftmargini \parsep 3.6pt plus 2pt minus 1pt%
+\topsep 7.2pt plus 2pt minus 4pt%
+\itemsep 3.6pt plus 2pt minus 1pt}
+
+\let\@listi\@listI
+\@listi
+
+\def\@listii{\leftmargin\leftmarginii
+   \labelwidth\leftmarginii\advance\labelwidth-\labelsep
+   \topsep 3.6pt plus 2pt minus 1pt
+   \parsep 1.8pt plus 0.9pt minus 0.9pt
+   \itemsep \parsep}
+
+\def\@listiii{\leftmargin\leftmarginiii
+    \labelwidth\leftmarginiii\advance\labelwidth-\labelsep
+    \topsep 1.8pt plus 0.9pt minus 0.9pt
+    \parsep \z@ \partopsep 1pt plus 0pt minus 1pt
+    \itemsep \topsep}
+
+\def\@listiv{\leftmargin\leftmarginiv
+     \labelwidth\leftmarginiv\advance\labelwidth-\labelsep}
+
+\def\@listv{\leftmargin\leftmarginv
+     \labelwidth\leftmarginv\advance\labelwidth-\labelsep}
+
+\def\@listvi{\leftmargin\leftmarginvi
+     \labelwidth\leftmarginvi\advance\labelwidth-\labelsep}
+
+\def\labelenumi{\theenumi.}
+\def\theenumi{\arabic{enumi}}
+
+\def\labelenumii{(\theenumii)}
+\def\theenumii{\alph{enumii}}
+\def\p@enumii{\theenumi}
+
+\def\labelenumiii{\theenumiii.}
+\def\theenumiii{\roman{enumiii}}
+\def\p@enumiii{\theenumi(\theenumii)}
+
+\def\labelenumiv{\theenumiv.}
+\def\theenumiv{\Alph{enumiv}}
+\def\p@enumiv{\p@enumiii\theenumiii}
+
+\def\labelitemi{$\bullet$}
+\def\labelitemii{\bf --}
+\def\labelitemiii{$\ast$}
+\def\labelitemiv{$\cdot$}
+
+\def\verse{\let\\=\@centercr
+  \list{}{\itemsep\z@ \itemindent -1.5em\listparindent \itemindent
+          \rightmargin\leftmargin\advance\leftmargin 1.5em}\item[]}
+\let\endverse\endlist
+
+\def\quotation{\list{}{\listparindent 1.5em
+    \itemindent\listparindent
+    \rightmargin\leftmargin \parsep 0pt plus 1pt}\item[]}
+\let\endquotation=\endlist
+
+\def\quote{\list{}{\rightmargin\leftmargin}\item[]}
+\let\endquote=\endlist
+
+\def\descriptionlabel#1{\hspace\labelsep \bf #1}
+\def\description{\list{}{\labelwidth\z@ \itemindent-\leftmargin
+       \let\makelabel\descriptionlabel}}
+
+\let\enddescription\endlist
+
+\def\theequation{\arabic{equation}}
+
+\arraycolsep 4.5pt   % Half the space between columns in an array environment.
+\tabcolsep 5.4pt    % Half the space between columns in a tabular environment.
+\arrayrulewidth .5pt % Width of rules in array and tabular environment. % (was .4) updated Gerry March 20 2007
+\doublerulesep 1.8pt % Space between adjacent rules in array or tabular env.
+
+\tabbingsep \labelsep   % Space used by the \' command.  (See LaTeX manual.)
+
+\skip\@mpfootins =\skip\footins
+
+\fboxsep =2.7pt      % Space left between box and text by \fbox and \framebox.
+\fboxrule =.5pt      % Width of rules in box made by \fbox and \framebox. % (was .4) updated Gerry March 20 2007
+
+\def\thepart{\Roman{part}} % Roman numeral part numbers.
+\def\thesection       {\arabic{section}}
+\def\thesubsection    {\thesection.\arabic{subsection}}
+%\def\thesubsubsection {\thesubsection.\arabic{subsubsection}} % GM 7/30/2002
+%\def\theparagraph     {\thesubsubsection.\arabic{paragraph}}  % GM 7/30/2002
+\def\thesubparagraph  {\theparagraph.\arabic{subparagraph}}
+
+\def\@pnumwidth{1.55em}
+\def\@tocrmarg {2.55em}
+\def\@dotsep{4.5}
+\setcounter{tocdepth}{3}
+
+%\def\tableofcontents{\@latexerr{\tableofcontents: Tables of contents are not
+%  allowed in the `acmconf' document style.}\@eha}
+
+\def\tableofcontents{\ClassError{%
+    \string\tableofcontents\space is not allowed in the `acmconf' document	% January 2008
+    style}\@eha}
+
+\def\l@part#1#2{\addpenalty{\@secpenalty}
+   \addvspace{2.25em plus 1pt}  % space above part line
+   \begingroup
+   \@tempdima 3em       % width of box holding part number, used by
+     \parindent \z@ \rightskip \@pnumwidth      %% \numberline
+     \parfillskip -\@pnumwidth
+     {\large \bf        % set line in \large boldface
+     \leavevmode        % TeX command to enter horizontal mode.
+     #1\hfil \hbox to\@pnumwidth{\hss #2}}\par
+     \nobreak           % Never break after part entry
+   \endgroup}
+
+\def\l@section#1#2{\addpenalty{\@secpenalty} % good place for page break
+   \addvspace{1.0em plus 1pt}   % space above toc entry
+   \@tempdima 1.5em             % width of box holding section number
+   \begingroup
+    \parindent  \z@ \rightskip \@pnumwidth
+     \parfillskip -\@pnumwidth
+     \bf                        % Boldface.
+     \leavevmode                % TeX command to enter horizontal mode.
+      \advance\leftskip\@tempdima %% added 5 Feb 88 to conform to
+      \hskip -\leftskip           %% 25 Jan 88 change to \numberline
+     #1\nobreak\hfil \nobreak\hbox to\@pnumwidth{\hss #2}\par
+   \endgroup}
+
+
+\def\l@subsection{\@dottedtocline{2}{1.5em}{2.3em}}
+\def\l@subsubsection{\@dottedtocline{3}{3.8em}{3.2em}}
+\def\l@paragraph{\@dottedtocline{4}{7.0em}{4.1em}}
+\def\l@subparagraph{\@dottedtocline{5}{10em}{5em}}
+
+%\def\listoffigures{\@latexerr{\listoffigures: Lists of figures are not
+%  allowed in the `acmconf' document style.}\@eha}
+
+\def\listoffigures{\ClassError{%
+    \string\listoffigures\space is not allowed in the `acmconf' document	% January 2008
+    style}\@eha}
+
+\def\l@figure{\@dottedtocline{1}{1.5em}{2.3em}}
+
+%\def\listoftables{\@latexerr{\listoftables: Lists of tables are not
+%  allowed in the `acmconf' document style.}\@eha}
+%\let\l@table\l@figure
+
+\def\listoftables{\ClassError{%
+    \string\listoftables\space is not allowed in the `acmconf' document		% January 2008
+    style}\@eha}
+ \let\l@table\l@figure
+
+\def\footnoterule{\kern-3\p@
+  \hrule width .5\columnwidth   % (was .4) updated Gerry March 20 2007
+  \kern 2.6\p@}                 % The \hrule has default height of .4pt % (was .4) updated Gerry March 20 2007
+% ------
+\long\def\@makefntext#1{\noindent 
+%\hbox to .5em{\hss$^{\@thefnmark}$}#1}   % original
+\hbox to .5em{\hss\textsuperscript{\@thefnmark}}#1}  % C. Clifton / GM Oct. 2nd. 2002
+% -------
+
+\long\def\@maketntext#1{\noindent
+#1}
+
+\long\def\@maketitlenotetext#1#2{\noindent
+            \hbox to 1.8em{\hss$^{#1}$}#2}
+
+\setcounter{topnumber}{2}
+\def\topfraction{.7}
+\setcounter{bottomnumber}{1}
+\def\bottomfraction{.3}
+\setcounter{totalnumber}{3}
+\def\textfraction{.2}
+\def\floatpagefraction{.5}
+\setcounter{dbltopnumber}{2}
+\def\dbltopfraction{.7}
+\def\dblfloatpagefraction{.5}
+
+%
+\long\def\@makecaption#1#2{
+   \vskip \baselineskip
+   \setbox\@tempboxa\hbox{\textbf{#1: #2}}
+   \ifdim \wd\@tempboxa >\hsize % IF longer than one line:
+       \textbf{#1: #2}\par               %   THEN set as ordinary paragraph.
+     \else                      %   ELSE  center.
+       \hbox to\hsize{\hfil\box\@tempboxa\hfil}\par
+   \fi}
+
+%
+
+\long\def\@makecaption#1#2{
+   \vskip 10pt
+   \setbox\@tempboxa\hbox{\textbf{#1: #2}}
+   \ifdim \wd\@tempboxa >\hsize % IF longer than one line:
+       \textbf{#1: #2}\par                %   THEN set as ordinary paragraph.
+     \else                      %   ELSE  center.
+       \hbox to\hsize{\hfil\box\@tempboxa\hfil}
+   \fi}
+
+\@ifundefined{figure}{\newcounter {figure}} % this is for LaTeX2e
+
+\def\fps@figure{tbp}
+\def\ftype@figure{1}
+\def\ext@figure{lof}
+\def\fnum@figure{Figure \thefigure}
+\def\figure{\@float{figure}}
+%\let\endfigure\end@float
+\def\endfigure{\end@float} 		% Gerry January 2008
+\@namedef{figure*}{\@dblfloat{figure}}
+\@namedef{endfigure*}{\end@dblfloat}
+
+\@ifundefined{table}{\newcounter {table}} % this is for LaTeX2e
+
+\def\fps@table{tbp}
+\def\ftype@table{2}
+\def\ext@table{lot}
+\def\fnum@table{Table \thetable}
+\def\table{\@float{table}}
+%\let\endtable\end@float
+\def\endtable{\end@float}		% Gerry January 2008
+\@namedef{table*}{\@dblfloat{table}}
+\@namedef{endtable*}{\end@dblfloat}
+
+\newtoks\titleboxnotes
+\newcount\titleboxnoteflag
+
+\def\maketitle{\par
+ \begingroup
+   \def\thefootnote{\fnsymbol{footnote}}
+   \def\@makefnmark{\hbox
+       to 0pt{$^{\@thefnmark}$\hss}}
+     \twocolumn[\@maketitle]
+\@thanks
+ \endgroup
+ \setcounter{footnote}{0}
+ \let\maketitle\relax
+ \let\@maketitle\relax
+ \gdef\@thanks{}\gdef\@author{}\gdef\@title{}\gdef\@subtitle{}\let\thanks\relax
+ \@copyrightspace}
+
+%% CHANGES ON NEXT LINES
+\newif\if@ll % to record which version of LaTeX is in use
+
+\expandafter\ifx\csname LaTeXe\endcsname\relax % LaTeX2.09 is used
+\else% LaTeX2e is used, so set ll to true
+\global\@lltrue
+\fi
+
+\if@ll
+  \NeedsTeXFormat{LaTeX2e}
+  \ProvidesClass{sig-alternate} [2012/05/23 - V2.5 - based on acmproc.cls V1.3 <Nov. 30 '99>]
+  \RequirePackage{latexsym}% QUERY: are these two really needed?
+  \let\dooptions\ProcessOptions
+\else
+  \let\dooptions\@options
+\fi
+%% END CHANGES
+
+\def\@height{height}
+\def\@width{width}
+\def\@minus{minus}
+\def\@plus{plus}
+\def\hb@xt@{\hbox to}
+\newif\if@faircopy
+\@faircopyfalse
+\def\ds@faircopy{\@faircopytrue}
+
+\def\ds@preprint{\@faircopyfalse}
+
+\@twosidetrue
+\@mparswitchtrue
+\def\ds@draft{\overfullrule 5\p@}
+%% CHANGE ON NEXT LINE
+\dooptions
+
+\lineskip \p@
+\normallineskip \p@
+\def\baselinestretch{1}
+\def\@ptsize{0} %needed for amssymbols.sty
+
+%% CHANGES ON NEXT LINES
+\if@ll% allow use of old-style font change commands in LaTeX2e
+\@maxdepth\maxdepth
+%
+\DeclareOldFontCommand{\rm}{\ninept\rmfamily}{\mathrm}
+\DeclareOldFontCommand{\sf}{\normalfont\sffamily}{\mathsf}
+\DeclareOldFontCommand{\tt}{\normalfont\ttfamily}{\mathtt}
+\DeclareOldFontCommand{\bf}{\normalfont\bfseries}{\mathbf}
+\DeclareOldFontCommand{\it}{\normalfont\itshape}{\mathit}
+\DeclareOldFontCommand{\sl}{\normalfont\slshape}{\@nomath\sl}
+\DeclareOldFontCommand{\sc}{\normalfont\scshape}{\@nomath\sc}
+\DeclareRobustCommand*{\cal}{\@fontswitch{\relax}{\mathcal}}
+\DeclareRobustCommand*{\mit}{\@fontswitch{\relax}{\mathnormal}}
+\fi
+%
+\if@ll
+ \renewcommand{\rmdefault}{cmr}  % was 'ttm'
+% Note! I have also found 'mvr' to work ESPECIALLY well.
+% Gerry - October 1999
+% You may need to change your LV1times.fd file so that sc is
+% mapped to cmcsc - -for smallcaps -- that is if you decide
+% to change {cmr} to {times} above. (Not recommended)
+  \renewcommand{\@ptsize}{}
+  \renewcommand{\normalsize}{%
+    \@setfontsize\normalsize\@ixpt{10.5\p@}%\ninept%
+    \abovedisplayskip 6\p@ \@plus2\p@ \@minus\p@
+    \belowdisplayskip \abovedisplayskip
+    \abovedisplayshortskip 6\p@ \@minus 3\p@
+    \belowdisplayshortskip 6\p@ \@minus 3\p@
+    \let\@listi\@listI
+  }
+\else
+  \def\@normalsize{%changed next to 9 from 10
+    \@setsize\normalsize{9\p@}\ixpt\@ixpt
+   \abovedisplayskip 6\p@ \@plus2\p@ \@minus\p@
+    \belowdisplayskip \abovedisplayskip
+    \abovedisplayshortskip 6\p@ \@minus 3\p@
+    \belowdisplayshortskip 6\p@ \@minus 3\p@
+    \let\@listi\@listI
+  }%
+\fi
+\if@ll
+  \newcommand\scriptsize{\@setfontsize\scriptsize\@viipt{8\p@}}
+  \newcommand\tiny{\@setfontsize\tiny\@vpt{6\p@}}
+  \newcommand\large{\@setfontsize\large\@xiipt{14\p@}}
+  \newcommand\Large{\@setfontsize\Large\@xivpt{18\p@}}
+  \newcommand\LARGE{\@setfontsize\LARGE\@xviipt{20\p@}}
+  \newcommand\huge{\@setfontsize\huge\@xxpt{25\p@}}
+  \newcommand\Huge{\@setfontsize\Huge\@xxvpt{30\p@}}
+\else
+  \def\scriptsize{\@setsize\scriptsize{8\p@}\viipt\@viipt}
+  \def\tiny{\@setsize\tiny{6\p@}\vpt\@vpt}
+  \def\large{\@setsize\large{14\p@}\xiipt\@xiipt}
+  \def\Large{\@setsize\Large{18\p@}\xivpt\@xivpt}
+  \def\LARGE{\@setsize\LARGE{20\p@}\xviipt\@xviipt}
+  \def\huge{\@setsize\huge{25\p@}\xxpt\@xxpt}
+  \def\Huge{\@setsize\Huge{30\p@}\xxvpt\@xxvpt}
+\fi
+\normalsize
+
+% make aubox hsize/number of authors up to 3, less gutter
+% then showbox gutter showbox gutter showbox -- GKMT Aug 99
+\newbox\@acmtitlebox
+\def\@maketitle{\newpage
+ \null
+ \setbox\@acmtitlebox\vbox{%
+\baselineskip 20pt
+\vskip 2em                   % Vertical space above title.
+   \begin{center}
+    {\ttlfnt \@title\par}       % Title set in 18pt Helvetica (Arial) bold size.
+    \vskip 1.5em                % Vertical space after title.
+%This should be the subtitle.
+{\subttlfnt \the\subtitletext\par}\vskip 1.25em%\fi
+    {\baselineskip 16pt\aufnt   % each author set in \12 pt Arial, in a
+     \lineskip .5em             % tabular environment
+     \begin{tabular}[t]{c}\@author
+     \end{tabular}\par}
+    \vskip 1.5em               % Vertical space after author.
+   \end{center}}
+ \dimen0=\ht\@acmtitlebox
+ \advance\dimen0 by -12.75pc\relax % Increased space for title box -- KBT
+ \unvbox\@acmtitlebox
+ \ifdim\dimen0<0.0pt\relax\vskip-\dimen0\fi}
+
+
+\newcount\titlenotecount
+\global\titlenotecount=0
+\newtoks\tntoks
+\newtoks\tntokstwo
+\newtoks\tntoksthree
+\newtoks\tntoksfour
+\newtoks\tntoksfive
+
+\def\abstract{
+\ifnum\titlenotecount>0 % was =1
+    \insert\footins{%
+    \reset@font\footnotesize
+        \interlinepenalty\interfootnotelinepenalty
+        \splittopskip\footnotesep
+        \splitmaxdepth \dp\strutbox \floatingpenalty \@MM
+        \hsize\columnwidth \@parboxrestore
+        \protected@edef\@currentlabel{%
+        }%
+        \color@begingroup
+\ifnum\titlenotecount=1
+      \@maketntext{%
+         \raisebox{4pt}{$\ast$}\rule\z@\footnotesep\ignorespaces\the\tntoks\@finalstrut\strutbox}%
+\fi
+\ifnum\titlenotecount=2
+      \@maketntext{%
+      \raisebox{4pt}{$\ast$}\rule\z@\footnotesep\ignorespaces\the\tntoks\par\@finalstrut\strutbox}%
+\@maketntext{%
+         \raisebox{4pt}{$\dagger$}\rule\z@\footnotesep\ignorespaces\the\tntokstwo\@finalstrut\strutbox}%
+\fi
+\ifnum\titlenotecount=3
+      \@maketntext{%
+         \raisebox{4pt}{$\ast$}\rule\z@\footnotesep\ignorespaces\the\tntoks\par\@finalstrut\strutbox}%
+\@maketntext{%
+         \raisebox{4pt}{$\dagger$}\rule\z@\footnotesep\ignorespaces\the\tntokstwo\par\@finalstrut\strutbox}%
+\@maketntext{%
+         \raisebox{4pt}{$\ddagger$}\rule\z@\footnotesep\ignorespaces\the\tntoksthree\@finalstrut\strutbox}%
+\fi
+\ifnum\titlenotecount=4
+      \@maketntext{%
+         \raisebox{4pt}{$\ast$}\rule\z@\footnotesep\ignorespaces\the\tntoks\par\@finalstrut\strutbox}%
+\@maketntext{%
+         \raisebox{4pt}{$\dagger$}\rule\z@\footnotesep\ignorespaces\the\tntokstwo\par\@finalstrut\strutbox}%
+\@maketntext{%
+         \raisebox{4pt}{$\ddagger$}\rule\z@\footnotesep\ignorespaces\the\tntoksthree\par\@finalstrut\strutbox}%
+\@maketntext{%
+         \raisebox{4pt}{$\S$}\rule\z@\footnotesep\ignorespaces\the\tntoksfour\@finalstrut\strutbox}%
+\fi
+\ifnum\titlenotecount=5
+      \@maketntext{%
+         \raisebox{4pt}{$\ast$}\rule\z@\footnotesep\ignorespaces\the\tntoks\par\@finalstrut\strutbox}%
+\@maketntext{%
+         \raisebox{4pt}{$\dagger$}\rule\z@\footnotesep\ignorespaces\the\tntokstwo\par\@finalstrut\strutbox}%
+\@maketntext{%
+         \raisebox{4pt}{$\ddagger$}\rule\z@\footnotesep\ignorespaces\the\tntoksthree\par\@finalstrut\strutbox}%
+\@maketntext{%
+         \raisebox{4pt}{$\S$}\rule\z@\footnotesep\ignorespaces\the\tntoksfour\par\@finalstrut\strutbox}%
+\@maketntext{%
+         \raisebox{4pt}{$\P$}\rule\z@\footnotesep\ignorespaces\the\tntoksfive\@finalstrut\strutbox}%
+\fi
+   \color@endgroup} %g}
+\fi
+\setcounter{footnote}{0}
+\section*{ABSTRACT}\normalsize%\ninept
+}
+
+\def\endabstract{\if@twocolumn\else\endquotation\fi}
+
+\def\keywords{\if@twocolumn
+\section*{Keywords}
+\else \small
+\quotation
+\fi}
+
+\def\terms{\if@twocolumn
+\section*{General Terms}
+\else \small
+\quotation
+\fi}
+
+% -- Classification needs to be a bit smart due to optionals - Gerry/Georgia November 2nd. 1999
+\newcount\catcount
+\global\catcount=1
+
+\def\category#1#2#3{%
+\ifnum\catcount=1
+\section*{Categories and Subject Descriptors}
+\advance\catcount by 1\else{\unskip; }\fi
+    \@ifnextchar [{\@category{#1}{#2}{#3}}{\@category{#1}{#2}{#3}[]}%
+}
+
+\def\@category#1#2#3[#4]{%
+    \begingroup
+        \let\and\relax
+            #1 [\textbf{#2}]%
+            \if!#4!%
+                \if!#3!\else : #3\fi
+            \else
+                :\space
+                \if!#3!\else #3\kern\z@---\hskip\z@\fi
+                \textit{#4}%
+            \fi
+    \endgroup
+}
+%
+
+%%% This section (written by KBT) handles the 1" box in the lower left
+%%% corner of the left column of the first page by creating a picture,
+%%% and inserting the predefined string at the bottom (with a negative
+%%% displacement to offset the space allocated for a non-existent
+%%% caption).
+%%%
+\newtoks\copyrightnotice
+\def\ftype@copyrightbox{8}
+\def\@copyrightspace{
+\@float{copyrightbox}[b]
+\begin{center}
+\setlength{\unitlength}{1pc}
+\begin{picture}(20,6) %Space for copyright notice
+\put(0,-0.95){\crnotice{\@toappear}}
+\end{picture}
+\end{center}
+\end@float}
+
+\def\@toappear{} % Default setting blank - commands below change this.
+\long\def\toappear#1{\def\@toappear{\parbox[b]{20pc}{\baselineskip 9pt#1}}}
+\def\toappearbox#1{\def\@toappear{\raisebox{5pt}{\framebox[20pc]{\parbox[b]{19pc}{#1}}}}}
+
+\newtoks\conf
+\newtoks\confinfo
+\def\conferenceinfo#1#2{\global\conf={#1}\global\confinfo{#2}}
+
+
+%\def\marginpar{\@latexerr{The \marginpar command is not allowed in the
+%  `acmconf' document style.}\@eha}
+
+\def\marginpar{\ClassError{%
+    \string\marginpar\space is not allowed in the `acmconf' document		% January 2008
+    style}\@eha}
+
+\mark{{}{}}     % Initializes TeX's marks
+
+\def\today{\ifcase\month\or
+  January\or February\or March\or April\or May\or June\or
+  July\or August\or September\or October\or November\or December\fi
+  \space\number\day, \number\year}
+
+\def\@begintheorem#1#2{%
+    \parskip 0pt % GM July 2000 (for tighter spacing)
+    \trivlist
+    \item[%
+        \hskip 10\p@
+        \hskip \labelsep
+        {{\sc #1}\hskip 5\p@\relax#2.}%
+    ]
+    \it
+}
+\def\@opargbegintheorem#1#2#3{%
+    \parskip 0pt % GM July 2000 (for tighter spacing)
+    \trivlist
+    \item[%
+        \hskip 10\p@
+        \hskip \labelsep
+        {\sc #1\ #2\             % This mod by Gerry to enumerate corollaries
+   \setbox\@tempboxa\hbox{(#3)}  % and bracket the 'corollary title'
+        \ifdim \wd\@tempboxa>\z@ % and retain the correct numbering of e.g. theorems
+            \hskip 5\p@\relax    % if they occur 'around' said corollaries.
+            \box\@tempboxa       % Gerry - Nov. 1999.
+        \fi.}%
+    ]
+    \it
+}
+\newif\if@qeded
+\global\@qededfalse
+
+% -- original
+%\def\proof{%
+%  \vspace{-\parskip} % GM July 2000 (for tighter spacing)
+%    \global\@qededfalse
+%    \@ifnextchar[{\@xproof}{\@proof}%
+%}
+% -- end of original
+
+% (JSS) Fix for vertical spacing bug - Gerry Murray July 30th. 2002
+\def\proof{%
+\vspace{-\lastskip}\vspace{-\parsep}\penalty-51%
+\global\@qededfalse
+\@ifnextchar[{\@xproof}{\@proof}%
+}
+
+\def\endproof{%
+    \if@qeded\else\qed\fi
+    \endtrivlist
+}
+\def\@proof{%
+    \trivlist
+    \item[%
+        \hskip 10\p@
+        \hskip \labelsep
+        {\sc Proof.}%
+    ]
+    \ignorespaces
+}
+\def\@xproof[#1]{%
+    \trivlist
+    \item[\hskip 10\p@\hskip \labelsep{\sc Proof #1.}]%
+    \ignorespaces
+}
+\def\qed{%
+    \unskip
+    \kern 10\p@
+    \begingroup
+        \unitlength\p@
+        \linethickness{.4\p@}%
+        \framebox(6,6){}%
+    \endgroup
+    \global\@qededtrue
+}
+
+\def\newdef#1#2{%
+    \expandafter\@ifdefinable\csname #1\endcsname
+        {\@definecounter{#1}%
+         \expandafter\xdef\csname the#1\endcsname{\@thmcounter{#1}}%
+         \global\@namedef{#1}{\@defthm{#1}{#2}}%
+         \global\@namedef{end#1}{\@endtheorem}%
+    }%
+}
+\def\@defthm#1#2{%
+    \refstepcounter{#1}%
+    \@ifnextchar[{\@ydefthm{#1}{#2}}{\@xdefthm{#1}{#2}}%
+}
+\def\@xdefthm#1#2{%
+    \@begindef{#2}{\csname the#1\endcsname}%
+    \ignorespaces
+}
+\def\@ydefthm#1#2[#3]{%
+    \trivlist
+    \item[%
+        \hskip 10\p@
+        \hskip \labelsep
+        {\it #2%
+%         \savebox\@tempboxa{#3}%
+         \saveb@x\@tempboxa{#3}%		% January 2008
+         \ifdim \wd\@tempboxa>\z@
+            \ \box\@tempboxa
+         \fi.%
+        }]%
+    \ignorespaces
+}
+\def\@begindef#1#2{%
+    \trivlist
+    \item[%
+        \hskip 10\p@
+        \hskip \labelsep
+        {\it #1\ \rm #2.}%
+    ]%
+}
+\def\theequation{\arabic{equation}}
+
+\newcounter{part}
+\newcounter{section}
+\newcounter{subsection}[section]
+\newcounter{subsubsection}[subsection]
+\newcounter{paragraph}[subsubsection]
+\def\thepart{\Roman{part}}
+\def\thesection{\arabic{section}}
+\def\thesubsection{\thesection.\arabic{subsection}}
+\def\thesubsubsection{\thesubsection.\arabic{subsubsection}} %removed \subsecfnt 29 July 2002 gkmt
+\def\theparagraph{\thesubsubsection.\arabic{paragraph}} %removed \subsecfnt 29 July 2002 gkmt
+\newif\if@uchead
+\@ucheadfalse
+
+%% CHANGES: NEW NOTE
+%% NOTE: OK to use old-style font commands below, since they were
+%% suitably redefined for LaTeX2e
+%% END CHANGES
+\setcounter{secnumdepth}{3}
+\def\part{%
+    \@startsection{part}{9}{\z@}{-10\p@ \@plus -4\p@ \@minus -2\p@}
+        {4\p@}{\normalsize\@ucheadtrue}%
+}
+\def\section{%
+    \@startsection{section}{1}{\z@}{-10\p@ \@plus -4\p@ \@minus -2\p@}% GM
+    {4\p@}{\baselineskip 14pt\secfnt\@ucheadtrue}%
+}
+
+\def\subsection{%
+    \@startsection{subsection}{2}{\z@}{-8\p@ \@plus -2\p@ \@minus -\p@}
+    {4\p@}{\secfnt}%
+}
+\def\subsubsection{%
+    \@startsection{subsubsection}{3}{\z@}{-8\p@ \@plus -2\p@ \@minus -\p@}%
+    {4\p@}{\subsecfnt}%
+}
+%\def\paragraph{%
+%    \vskip 12pt\@startsection{paragraph}{3}{\z@}{6\p@ \@plus \p@}% original
+%    {-5\p@}{\subsecfnt}%
+%}
+%  If one wants sections, subsections and subsubsections numbered,
+%  but not paragraphs, one usually sets secnumepth to 3.
+%  For that, the "depth" of paragraphs must be given correctly
+%  in the definition (``4'' instead of ``3'' as second argument
+%  of @startsection):
+\def\paragraph{%
+    \vskip 12pt\@startsection{paragraph}{4}{\z@}{6\p@ \@plus \p@}%    % GM and Wolfgang May - 11/30/06
+    {-5\p@}{\subsecfnt}%
+}
+\let\@period=.
+\def\@startsection#1#2#3#4#5#6{%
+        \if@noskipsec  %gkmt, 11 aug 99
+        \global\let\@period\@empty
+        \leavevmode
+        \global\let\@period.%
+    \fi
+      \par %
+    \@tempskipa #4\relax
+    \@afterindenttrue
+    \ifdim \@tempskipa <\z@
+        \@tempskipa -\@tempskipa
+        \@afterindentfalse
+    \fi
+    \if@nobreak
+    \everypar{}%
+    \else
+        \addpenalty\@secpenalty
+        \addvspace\@tempskipa
+    \fi
+\parskip=0pt % GM July 2000 (non numbered) section heads
+    \@ifstar
+        {\@ssect{#3}{#4}{#5}{#6}}
+        {\@dblarg{\@sect{#1}{#2}{#3}{#4}{#5}{#6}}}%
+}
+\def\@sect#1#2#3#4#5#6[#7]#8{%
+    \ifnum #2>\c@secnumdepth
+        \let\@svsec\@empty
+    \else
+        \refstepcounter{#1}%
+        \edef\@svsec{%
+            \begingroup
+                %\ifnum#2>2 \noexpand\rm \fi % changed to next 29 July 2002 gkmt
+            \ifnum#2>2 \noexpand#6 \fi
+                \csname the#1\endcsname
+            \endgroup
+            \ifnum #2=1\relax .\fi
+            \hskip 1em
+        }%
+    \fi
+    \@tempskipa #5\relax
+    \ifdim \@tempskipa>\z@
+        \begingroup
+            #6\relax
+            \@hangfrom{\hskip #3\relax\@svsec}%
+            \begingroup
+                \interlinepenalty \@M
+                \if@uchead
+                    \uppercase{#8}%
+                \else
+                    #8%
+                \fi
+                \par
+            \endgroup
+        \endgroup
+        \csname #1mark\endcsname{#7}%
+        \vskip -12pt  %gkmt, 11 aug 99 and GM July 2000 (was -14) - numbered section head spacing
+\addcontentsline{toc}{#1}{%
+            \ifnum #2>\c@secnumdepth \else
+                \protect\numberline{\csname the#1\endcsname}%
+            \fi
+            #7%
+        }%
+    \else
+        \def\@svsechd{%
+            #6%
+            \hskip #3\relax
+            \@svsec
+            \if@uchead
+                \uppercase{#8}%
+            \else
+                #8%
+            \fi
+            \csname #1mark\endcsname{#7}%
+            \addcontentsline{toc}{#1}{%
+                \ifnum #2>\c@secnumdepth \else
+                    \protect\numberline{\csname the#1\endcsname}%
+                \fi
+                #7%
+            }%
+        }%
+    \fi
+    \@xsect{#5}\hskip 1pt
+    \par
+}
+\def\@xsect#1{%
+    \@tempskipa #1\relax
+    \ifdim \@tempskipa>\z@
+        \par
+        \nobreak
+        \vskip \@tempskipa
+        \@afterheading
+    \else
+        \global\@nobreakfalse
+        \global\@noskipsectrue
+        \everypar{%
+            \if@noskipsec
+                \global\@noskipsecfalse
+                \clubpenalty\@M
+                \hskip -\parindent
+                \begingroup
+                    \@svsechd
+                    \@period
+                \endgroup
+                \unskip
+                \@tempskipa #1\relax
+                \hskip -\@tempskipa
+            \else
+                \clubpenalty \@clubpenalty
+                \everypar{}%
+            \fi
+        }%
+    \fi
+    \ignorespaces
+}
+\def\@trivlist{%
+    \@topsepadd\topsep
+    \if@noskipsec
+        \global\let\@period\@empty
+        \leavevmode
+        \global\let\@period.%
+    \fi
+    \ifvmode
+        \advance\@topsepadd\partopsep
+    \else
+        \unskip
+        \par
+    \fi
+    \if@inlabel
+        \@noparitemtrue
+        \@noparlisttrue
+    \else
+        \@noparlistfalse
+        \@topsep\@topsepadd
+    \fi
+    \advance\@topsep \parskip
+    \leftskip\z@skip
+    \rightskip\@rightskip
+    \parfillskip\@flushglue
+    \@setpar{\if@newlist\else{\@@par}\fi}
+    \global\@newlisttrue
+    \@outerparskip\parskip
+}
+
+%%% Actually, 'abbrev' works just fine as the default
+%%% Bibliography style.
+
+\typeout{Using 'Abbrev' bibliography style}
+\newcommand\bibyear[2]{%
+    \unskip\quad\ignorespaces#1\unskip
+    \if#2..\quad \else \quad#2 \fi
+}
+\newcommand{\bibemph}[1]{{\em#1}}
+\newcommand{\bibemphic}[1]{{\em#1\/}}
+\newcommand{\bibsc}[1]{{\sc#1}}
+\def\@normalcite{%
+    \def\@cite##1##2{[##1\if@tempswa , ##2\fi]}%
+}
+\def\@citeNB{%
+    \def\@cite##1##2{##1\if@tempswa , ##2\fi}%
+}
+\def\@citeRB{%
+    \def\@cite##1##2{##1\if@tempswa , ##2\fi]}%
+}
+\def\start@cite#1#2{%
+    \edef\citeauthoryear##1##2##3{%
+        ###1%
+        \ifnum#2=\z@ \else\ ###2\fi
+    }%
+    \ifnum#1=\thr@@
+        \let\@@cite\@citeyear
+    \else
+        \let\@@cite\@citenormal
+    \fi
+    \@ifstar{\@citeNB\@@cite}{\@normalcite\@@cite}%
+}
+%\def\cite{\start@cite23}
+\DeclareRobustCommand\cite{\start@cite23}		% January 2008
+\def\citeNP{\cite*}					% No Parentheses e.g. 5
+%\def\citeA{\start@cite10}
+\DeclareRobustCommand\citeA{\start@cite10}		% January 2008
+\def\citeANP{\citeA*}
+%\def\shortcite{\start@cite23}				
+\DeclareRobustCommand\shortcite{\start@cite23}		% January 2008
+\def\shortciteNP{\shortcite*}
+%\def\shortciteA{\start@cite20}
+\DeclareRobustCommand\shortciteA{\start@cite20}		% January 2008
+\def\shortciteANP{\shortciteA*}
+%\def\citeyear{\start@cite30}
+\DeclareRobustCommand\citeyear{\start@cite30}		% January 2008
+\def\citeyearNP{\citeyear*}
+%\def\citeN{%
+\DeclareRobustCommand\citeN{%				% January 2008
+    \@citeRB
+    \def\citeauthoryear##1##2##3{##1\ [##3%
+        \def\reserved@a{##1}%
+        \def\citeauthoryear####1####2####3{%
+            \def\reserved@b{####1}%
+            \ifx\reserved@a\reserved@b
+                ####3%
+            \else
+                \errmessage{Package acmart Error: author mismatch
+                         in \string\citeN^^J^^J%
+                    See the acmart package documentation for explanation}%
+            \fi
+        }%
+    }%
+    \@ifstar\@citeyear\@citeyear
+}
+%\def\shortciteN{%
+\DeclareRobustCommand\shortciteN{%			% January 2008
+    \@citeRB
+    \def\citeauthoryear##1##2##3{##2\ [##3%
+        \def\reserved@a{##2}%
+        \def\citeauthoryear####1####2####3{%
+            \def\reserved@b{####2}%
+            \ifx\reserved@a\reserved@b
+                ####3%
+            \else
+                \errmessage{Package acmart Error: author mismatch
+                         in \string\shortciteN^^J^^J%
+                    See the acmart package documentation for explanation}%
+            \fi
+        }%
+    }%
+    \@ifstar\@citeyear\@citeyear  % GM July 2000
+}
+
+\def\@citenormal{%
+    \@ifnextchar [{\@tempswatrue\@citex;}%
+% original                 {\@tempswafalse\@citex,[]}% was ; Gerry 2/24/00
+{\@tempswafalse\@citex[]}%  	% GERRY FIX FOR BABEL 3/20/2009
+}
+
+\def\@citeyear{%
+    \@ifnextchar [{\@tempswatrue\@citex,}%
+% original                  {\@tempswafalse\@citex,[]}%
+{\@tempswafalse\@citex[]}%	%  GERRY FIX FOR BABEL 3/20/2009
+}
+
+\def\@citex#1[#2]#3{%
+    \let\@citea\@empty
+    \@cite{%
+        \@for\@citeb:=#3\do{%
+            \@citea
+% original            \def\@citea{#1 }%
+            \def\@citea{#1, }% 	% GERRY FIX FOR BABEL 3/20/2009 -- SO THAT YOU GET [1, 2] IN THE BODY TEXT
+            \edef\@citeb{\expandafter\@iden\@citeb}%
+            \if@filesw
+                \immediate\write\@auxout{\string\citation{\@citeb}}%
+            \fi
+            \@ifundefined{b@\@citeb}{%
+                {\bf ?}%
+                \@warning{%
+                    Citation `\@citeb' on page \thepage\space undefined%
+                }%
+            }%
+            {\csname b@\@citeb\endcsname}%
+        }%
+    }{#2}%
+}
+%\let\@biblabel\@gobble   % Dec. 2008 - Gerry
+% ----
+\def\@biblabelnum#1{[#1]} % Gerry's solution #1 - for Natbib -- April 2009
+\let\@biblabel=\@biblabelnum  % Gerry's solution #1 - for Natbib -- April 2009
+\def\newblock{\relax} % Gerry Dec. 2008
+% ---
+\newdimen\bibindent
+\setcounter{enumi}{1}
+\bibindent=0em
+\def\thebibliography#1{% 
+\ifnum\addauflag=0\addauthorsection\global\addauflag=1\fi
+     \section[References]{%    <=== OPTIONAL ARGUMENT ADDED HERE
+        {References} % was uppercased but this affects pdf bookmarks (SP/GM October 2004)
+          {\vskip -9pt plus 1pt} % GM Nov. 2006 / GM July 2000 (for somewhat tighter spacing) 
+         \@mkboth{{\refname}}{{\refname}}%
+     }%
+     \list{[\arabic{enumi}]}{%
+         \settowidth\labelwidth{[#1]}%
+         \leftmargin\labelwidth
+         \advance\leftmargin\labelsep
+         \advance\leftmargin\bibindent
+         \parsep=0pt\itemsep=1pt % GM July 2000
+         \itemindent -\bibindent
+         \listparindent \itemindent
+         \usecounter{enumi}
+     }%
+     \let\newblock\@empty
+     \raggedright % GM July 2000
+     \sloppy
+     \sfcode`\.=1000\relax
+}
+
+
+\gdef\balancecolumns
+{\vfill\eject
+\global\@colht=\textheight
+\global\ht\@cclv=\textheight
+}
+
+\newcount\colcntr
+\global\colcntr=0
+%\newbox\savebox
+\newbox\saveb@x				% January 2008
+
+\gdef \@makecol {%
+\global\advance\colcntr by 1
+\ifnum\colcntr>2 \global\colcntr=1\fi
+   \ifvoid\footins
+     \setbox\@outputbox \box\@cclv
+   \else
+     \setbox\@outputbox \vbox{%
+\boxmaxdepth \@maxdepth
+       \@tempdima\dp\@cclv
+       \unvbox \@cclv
+       \vskip-\@tempdima
+       \vskip \skip\footins
+       \color@begingroup
+         \normalcolor
+         \footnoterule
+         \unvbox \footins
+       \color@endgroup
+       }%
+   \fi
+   \xdef\@freelist{\@freelist\@midlist}%
+   \global \let \@midlist \@empty
+   \@combinefloats
+   \ifvbox\@kludgeins
+     \@makespecialcolbox
+   \else
+     \setbox\@outputbox \vbox to\@colht {%
+\@texttop
+       \dimen@ \dp\@outputbox
+       \unvbox \@outputbox
+   \vskip -\dimen@
+       \@textbottom
+       }%
+   \fi
+   \global \maxdepth \@maxdepth
+}
+\def\titlenote{\@ifnextchar[\@xtitlenote{\stepcounter\@mpfn
+\global\advance\titlenotecount by 1
+\ifnum\titlenotecount=1
+    \raisebox{9pt}{$\ast$}
+\fi
+\ifnum\titlenotecount=2
+    \raisebox{9pt}{$\dagger$}
+\fi
+\ifnum\titlenotecount=3
+    \raisebox{9pt}{$\ddagger$}
+\fi
+\ifnum\titlenotecount=4
+\raisebox{9pt}{$\S$}
+\fi
+\ifnum\titlenotecount=5
+\raisebox{9pt}{$\P$}
+\fi
+         \@titlenotetext
+}}
+
+\long\def\@titlenotetext#1{\insert\footins{%
+\ifnum\titlenotecount=1\global\tntoks={#1}\fi
+\ifnum\titlenotecount=2\global\tntokstwo={#1}\fi
+\ifnum\titlenotecount=3\global\tntoksthree={#1}\fi
+\ifnum\titlenotecount=4\global\tntoksfour={#1}\fi
+\ifnum\titlenotecount=5\global\tntoksfive={#1}\fi
+    \reset@font\footnotesize
+    \interlinepenalty\interfootnotelinepenalty
+    \splittopskip\footnotesep
+    \splitmaxdepth \dp\strutbox \floatingpenalty \@MM
+    \hsize\columnwidth \@parboxrestore
+    \protected@edef\@currentlabel{%
+    }%
+    \color@begingroup
+   \color@endgroup}}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%
+\ps@plain
+\baselineskip=11pt
+\let\thepage\relax % For NO page numbers - GM Nov. 30th. 1999 and July 2000
+\def\setpagenumber#1{\global\setcounter{page}{#1}}
+%\pagenumbering{arabic}  % Arabic page numbers GM July 2000
+\twocolumn             % Double column.
+\flushbottom           % Even bottom -- alas, does not balance columns at end of document
+\pagestyle{plain}
+
+% Need Copyright Year and Copyright Data to be user definable (in .tex file).
+% Gerry Nov. 30th. 1999
+\newtoks\copyrtyr
+\newtoks\acmcopyr
+\newtoks\boilerplate
+\global\acmcopyr={X-XXXXX-XX-X/XX/XX}  % Default - 5/11/2001 *** Gerry
+\global\copyrtyr={20XX}                % Default - 3/3/2003 *** Gerry
+\def\CopyrightYear#1{\global\copyrtyr{#1}}
+\def\crdata#1{\global\acmcopyr{#1}}
+\def\permission#1{\global\boilerplate{#1}}
+%
+\global\boilerplate={Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page.  To copy otherwise, to republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee.}
+\newtoks\copyrightetc
+\global\copyrightetc{Copyright \the\copyrtyr\ ACM \the\acmcopyr\ ...\$15.00} % Gerry changed to 15 May 2012
+\toappear{\the\boilerplate\par
+{\confname{\the\conf}} \the\confinfo\par \the\copyrightetc.}
+%\DeclareFixedFont{\altcrnotice}{OT1}{tmr}{m}{n}{8}  % << patch needed for accenting e.g. Montreal - Gerry, May 2007
+%\DeclareFixedFont{\altconfname}{OT1}{tmr}{m}{it}{8}  % << patch needed for accenting in italicized confname - Gerry, May 2007
+%
+%{\altconfname{{\the\conf}}} {\altcrnotice\the\confinfo\par} \the\copyrightetc.}  % << Gerry, May 2007
+%
+% The following section (i.e. 3 .sty inclusions) was added in May 2007 so as to fix the problems that many
+% authors were having with accents. Sometimes accents would occur, but the letter-character would be of a different
+% font. Conversely the letter-character font would be correct but, e.g. a 'bar' would appear superimposed on the
+% character instead of, say, an unlaut/diaresis. Sometimes the letter-character would NOT appear at all.
+% Using [T1]{fontenc} outright was not an option as this caused 99% of the authors to 'produce' a Type-3 (bitmapped)
+% PDF file - useless for production. 
+%
+% For proper (font) accenting we NEED these packages to be part of the .cls file i.e. 'ae', 'aecompl' and 'aeguil' 
+% ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+%% This is file `ae.sty' 
+\def\fileversion{1.3}
+\def\filedate{2001/02/12}
+\NeedsTeXFormat{LaTeX2e}
+%\ProvidesPackage{ae}[\filedate\space\fileversion\space  % GM
+% Almost European Computer Modern]                       % GM - keeping the log file clean(er)
+\newif\if@ae@slides \@ae@slidesfalse
+\DeclareOption{slides}{\@ae@slidestrue}
+\ProcessOptions
+\fontfamily{aer}
+\RequirePackage[T1]{fontenc}
+\if@ae@slides
+    \renewcommand{\sfdefault}{laess}
+    \renewcommand{\rmdefault}{laess} % no roman
+    \renewcommand{\ttdefault}{laett}
+\else
+    \renewcommand{\sfdefault}{aess}
+    \renewcommand{\rmdefault}{aer}
+    \renewcommand{\ttdefault}{aett}
+\fi
+\endinput
+%% 
+%% End of file `ae.sty'.
+%
+%
+\def\fileversion{0.9}
+\def\filedate{1998/07/23}
+\NeedsTeXFormat{LaTeX2e}
+%\ProvidesPackage{aecompl}[\filedate\space\fileversion\space   % GM
+%T1 Complements for AE fonts (D. Roegel)]                      % GM -- keeping the log file clean(er)
+ 
+\def\@ae@compl#1{{\fontencoding{T1}\fontfamily{cmr}\selectfont\symbol{#1}}}
+\def\guillemotleft{\@ae@compl{19}}
+\def\guillemotright{\@ae@compl{20}}
+\def\guilsinglleft{\@ae@compl{14}}
+\def\guilsinglright{\@ae@compl{15}}
+\def\TH{\@ae@compl{222}}
+\def\NG{\@ae@compl{141}}
+\def\ng{\@ae@compl{173}}
+\def\th{\@ae@compl{254}}
+\def\DJ{\@ae@compl{208}}
+\def\dj{\@ae@compl{158}}
+\def\DH{\@ae@compl{208}}
+\def\dh{\@ae@compl{240}}
+\def\@perthousandzero{\@ae@compl{24}}
+\def\textperthousand{\%\@perthousandzero}
+\def\textpertenthousand{\%\@perthousandzero\@perthousandzero}
+\endinput
+%
+%
+%% This is file `aeguill.sty' 
+% This file gives french guillemets (and not guillemots!)
+% built with the Polish CMR fonts (default), WNCYR fonts, the LASY fonts 
+% or with the EC fonts. 
+% This is useful in conjunction with the ae package
+% (this package loads the ae package in case it has not been loaded)
+%  and with or without the french(le) package.
+%
+% In order to get the guillemets, it is necessary to either type
+% \guillemotleft and \guillemotright, or to use an 8 bit encoding
+% (such as ISO-Latin1) which selects these two commands, 
+% or, if you use the french package (but not the frenchle package), 
+% to type << or >>.
+%
+% By default, you get the Polish CMR guillemets; if this package is loaded
+% with the `cm' option, you get the LASY guillemets; with `ec,' you
+% get the EC guillemets, and with `cyr,' you get the cyrillic guillemets.
+%
+% In verbatim mode, you always get the EC/TT guillemets.
+%
+% The default option is interesting in conjunction with PDF,
+% because there is a Type 1 version of the Polish CMR fonts
+% and these guillemets are very close in shape to the EC guillemets.
+% There are no free Type 1 versions of the EC fonts.
+%
+% Support for Polish CMR guillemets was kindly provided by 
+% Rolf Niepraschk <niepraschk@ptb.de> in version 0.99 (2000/05/22).
+% Bernd Raichle provided extensive simplifications to the code
+% for version 1.00.
+%
+% This package is released under the LPPL.
+%
+% Changes:
+%   Date        version
+%   2001/04/12  1.01    the frenchle and french package are now distinguished.
+%
+\def\fileversion{1.01}
+\def\filedate{2001/04/12}
+\NeedsTeXFormat{LaTeX2e}
+%\ProvidesPackage{aeguill}[2001/04/12 1.01 %    % GM
+%AE fonts with french guillemets (D. Roegel)]   % GM - keeping the log file clean(er)
+%\RequirePackage{ae}  % GM May 2007 - already embedded here
+
+\newcommand{\@ae@switch}[4]{#4}
+\DeclareOption{ec}{\renewcommand\@ae@switch[4]{#1}}
+\DeclareOption{cm}{\renewcommand\@ae@switch[4]{#2}}
+\DeclareOption{cyr}{\renewcommand\@ae@switch[4]{#3}}
+\DeclareOption{pl}{\renewcommand\@ae@switch[4]{#4}}
+\ExecuteOptions{pl}
+\ProcessOptions
+
+%
+% Load necessary packages
+%
+\@ae@switch{% ec
+  % do nothing
+}{% cm
+  \RequirePackage{latexsym}%  GM - May 2007 - already 'mentioned as required' up above
+}{% cyr
+  \RequirePackage[OT2,T1]{fontenc}%
+}{% pl
+  \RequirePackage[OT4,T1]{fontenc}%
+}
+
+% The following command will be compared to \frenchname,
+% as defined in french.sty and frenchle.sty.
+\def\aeguillfrenchdefault{french}%
+
+\let\guill@verbatim@font\verbatim@font
+\def\verbatim@font{\guill@verbatim@font\ecguills{cmtt}%
+                   \let\guillemotleft\@oguills\let\guillemotright\@fguills}
+
+\begingroup \catcode`\<=13 \catcode`\>=13
+\def\x{\endgroup
+ \def\ae@lfguill{<<}%
+ \def\ae@rfguill{>>}%
+}\x
+
+\newcommand{\ecguills}[1]{%
+  \def\selectguillfont{\fontencoding{T1}\fontfamily{#1}\selectfont}%
+  \def\@oguills{{\selectguillfont\symbol{19}}}%
+  \def\@fguills{{\selectguillfont\symbol{20}}}%
+  } 
+
+\newcommand{\aeguills}{%
+  \ae@guills
+  % We redefine \guillemotleft and \guillemotright
+  % in order to catch them when they are used 
+  % with \DeclareInputText (in latin1.def for instance)
+  % We use \auxWARNINGi as a safe indicator that french.sty is used.
+  \gdef\guillemotleft{\ifx\auxWARNINGi\undefined
+                         \@oguills % neither french.sty nor frenchle.sty
+                      \else
+                         \ifx\aeguillfrenchdefault\frenchname
+                           \ae@lfguill  % french.sty
+                         \else
+                           \@oguills    % frenchle.sty
+                         \fi
+                      \fi}%
+  \gdef\guillemotright{\ifx\auxWARNINGi\undefined
+                         \@fguills % neither french.sty nor frenchle.sty
+                       \else
+                         \ifx\aeguillfrenchdefault\frenchname
+                           \ae@rfguill  % french.sty
+                         \else
+                           \@fguills    % frenchle.sty
+                         \fi
+                       \fi}%
+  }
+
+%
+% Depending on the class option
+% define the internal command \ae@guills
+\@ae@switch{% ec
+  \newcommand{\ae@guills}{%
+    \ecguills{cmr}}%
+}{% cm
+  \newcommand{\ae@guills}{%
+    \def\selectguillfont{\fontencoding{U}\fontfamily{lasy}%
+            \fontseries{m}\fontshape{n}\selectfont}%
+    \def\@oguills{\leavevmode\nobreak
+                \hbox{\selectguillfont (\kern-.20em(\kern.20em}\nobreak}%
+    \def\@fguills{\leavevmode\nobreak
+                \hbox{\selectguillfont \kern.20em)\kern-.2em)}%
+                \ifdim\fontdimen\@ne\font>\z@\/\fi}}%
+}{% cyr
+  \newcommand{\ae@guills}{%
+    \def\selectguillfont{\fontencoding{OT2}\fontfamily{wncyr}\selectfont}%
+    \def\@oguills{{\selectguillfont\symbol{60}}}%
+    \def\@fguills{{\selectguillfont\symbol{62}}}}
+}{% pl
+  \newcommand{\ae@guills}{%
+    \def\selectguillfont{\fontencoding{OT4}\fontfamily{cmr}\selectfont}%
+    \def\@oguills{{\selectguillfont\symbol{174}}}%
+    \def\@fguills{{\selectguillfont\symbol{175}}}}
+}
+
+
+\AtBeginDocument{%
+  \ifx\GOfrench\undefined
+    \aeguills
+  \else
+    \let\aeguill@GOfrench\GOfrench
+    \gdef\GOfrench{\aeguill@GOfrench \aeguills}%
+  \fi
+  }
+
+\endinput
+%
+
diff --git a/ocl/docs/publications/OCL2012OCLVM/sig-alternate.tex b/ocl/docs/publications/OCL2012OCLVM/sig-alternate.tex
new file mode 100644
index 0000000..1be067f
--- /dev/null
+++ b/ocl/docs/publications/OCL2012OCLVM/sig-alternate.tex
@@ -0,0 +1,605 @@
+% This is "sig-alternate.tex" V2.0 May 2012
+% This file should be compiled with V2.5 of "sig-alternate.cls" May 2012
+%
+% This example file demonstrates the use of the 'sig-alternate.cls'
+% V2.5 LaTeX2e document class file. It is for those submitting
+% articles to ACM Conference Proceedings WHO DO NOT WISH TO
+% STRICTLY ADHERE TO THE SIGS (PUBS-BOARD-ENDORSED) STYLE.
+% The 'sig-alternate.cls' file will produce a similar-looking,
+% albeit, 'tighter' paper resulting in, invariably, fewer pages.
+%
+% ----------------------------------------------------------------------------------------------------------------
+% This .tex file (and associated .cls V2.5) produces:
+%       1) The Permission Statement
+%       2) The Conference (location) Info information
+%       3) The Copyright Line with ACM data
+%       4) NO page numbers
+%
+% as against the acm_proc_article-sp.cls file which
+% DOES NOT produce 1) thru' 3) above.
+%
+% Using 'sig-alternate.cls' you have control, however, from within
+% the source .tex file, over both the CopyrightYear
+% (defaulted to 200X) and the ACM Copyright Data
+% (defaulted to X-XXXXX-XX-X/XX/XX).
+% e.g.
+% \CopyrightYear{2007} will cause 2007 to appear in the copyright line.
+% \crdata{0-12345-67-8/90/12} will cause 0-12345-67-8/90/12 to appear in the copyright line.
+%
+% ---------------------------------------------------------------------------------------------------------------
+% This .tex source is an example which *does* use
+% the .bib file (from which the .bbl file % is produced).
+% REMEMBER HOWEVER: After having produced the .bbl file,
+% and prior to final submission, you *NEED* to 'insert'
+% your .bbl file into your source .tex file so as to provide
+% ONE 'self-contained' source file.
+%
+% ================= IF YOU HAVE QUESTIONS =======================
+% Questions regarding the SIGS styles, SIGS policies and
+% procedures, Conferences etc. should be sent to
+% Adrienne Griscti (griscti@acm.org)
+%
+% Technical questions _only_ to
+% Gerald Murray (murray@hq.acm.org)
+% ===============================================================
+%
+% For tracking purposes - this is V2.0 - May 2012
+
+\documentclass{sig-alternate}
+
+\begin{document}
+%
+% --- Author Metadata here ---
+\conferenceinfo{WOODSTOCK}{'97 El Paso, Texas USA}
+%\CopyrightYear{2007} % Allows default copyright year (20XX) to be over-ridden - IF NEED BE.
+%\crdata{0-12345-67-8/90/01}  % Allows default copyright data (0-89791-88-6/97/05) to be over-ridden - IF NEED BE.
+% --- End of Author Metadata ---
+
+\title{Alternate {\ttlit ACM} SIG Proceedings Paper in LaTeX
+Format\titlenote{(Produces the permission block, and
+copyright information). For use with
+SIG-ALTERNATE.CLS. Supported by ACM.}}
+\subtitle{[Extended Abstract]
+\titlenote{A full version of this paper is available as
+\textit{Author's Guide to Preparing ACM SIG Proceedings Using
+\LaTeX$2_\epsilon$\ and BibTeX} at
+\texttt{www.acm.org/eaddress.htm}}}
+%
+% You need the command \numberofauthors to handle the 'placement
+% and alignment' of the authors beneath the title.
+%
+% For aesthetic reasons, we recommend 'three authors at a time'
+% i.e. three 'name/affiliation blocks' be placed beneath the title.
+%
+% NOTE: You are NOT restricted in how many 'rows' of
+% "name/affiliations" may appear. We just ask that you restrict
+% the number of 'columns' to three.
+%
+% Because of the available 'opening page real-estate'
+% we ask you to refrain from putting more than six authors
+% (two rows with three columns) beneath the article title.
+% More than six makes the first-page appear very cluttered indeed.
+%
+% Use the \alignauthor commands to handle the names
+% and affiliations for an 'aesthetic maximum' of six authors.
+% Add names, affiliations, addresses for
+% the seventh etc. author(s) as the argument for the
+% \additionalauthors command.
+% These 'additional authors' will be output/set for you
+% without further effort on your part as the last section in
+% the body of your article BEFORE References or any Appendices.
+
+\numberofauthors{8} %  in this sample file, there are a *total*
+% of EIGHT authors. SIX appear on the 'first-page' (for formatting
+% reasons) and the remaining two appear in the \additionalauthors section.
+%
+\author{
+% You can go ahead and credit any number of authors here,
+% e.g. one 'row of three' or two rows (consisting of one row of three
+% and a second row of one, two or three).
+%
+% The command \alignauthor (no curly braces needed) should
+% precede each author name, affiliation/snail-mail address and
+% e-mail address. Additionally, tag each line of
+% affiliation/address with \affaddr, and tag the
+% e-mail address with \email.
+%
+% 1st. author
+\alignauthor
+Ben Trovato\titlenote{Dr.~Trovato insisted his name be first.}\\
+       \affaddr{Institute for Clarity in Documentation}\\
+       \affaddr{1932 Wallamaloo Lane}\\
+       \affaddr{Wallamaloo, New Zealand}\\
+       \email{trovato@corporation.com}
+% 2nd. author
+\alignauthor
+G.K.M. Tobin\titlenote{The secretary disavows
+any knowledge of this author's actions.}\\
+       \affaddr{Institute for Clarity in Documentation}\\
+       \affaddr{P.O. Box 1212}\\
+       \affaddr{Dublin, Ohio 43017-6221}\\
+       \email{webmaster@marysville-ohio.com}
+% 3rd. author
+\alignauthor Lars Th{\o}rv{\"a}ld\titlenote{This author is the
+one who did all the really hard work.}\\
+       \affaddr{The Th{\o}rv{\"a}ld Group}\\
+       \affaddr{1 Th{\o}rv{\"a}ld Circle}\\
+       \affaddr{Hekla, Iceland}\\
+       \email{larst@affiliation.org}
+\and  % use '\and' if you need 'another row' of author names
+% 4th. author
+\alignauthor Lawrence P. Leipuner\\
+       \affaddr{Brookhaven Laboratories}\\
+       \affaddr{Brookhaven National Lab}\\
+       \affaddr{P.O. Box 5000}\\
+       \email{lleipuner@researchlabs.org}
+% 5th. author
+\alignauthor Sean Fogarty\\
+       \affaddr{NASA Ames Research Center}\\
+       \affaddr{Moffett Field}\\
+       \affaddr{California 94035}\\
+       \email{fogartys@amesres.org}
+% 6th. author
+\alignauthor Charles Palmer\\
+       \affaddr{Palmer Research Laboratories}\\
+       \affaddr{8600 Datapoint Drive}\\
+       \affaddr{San Antonio, Texas 78229}\\
+       \email{cpalmer@prl.com}
+}
+% There's nothing stopping you putting the seventh, eighth, etc.
+% author on the opening page (as the 'third row') but we ask,
+% for aesthetic reasons that you place these 'additional authors'
+% in the \additional authors block, viz.
+\additionalauthors{Additional authors: John Smith (The Th{\o}rv{\"a}ld Group,
+email: {\texttt{jsmith@affiliation.org}}) and Julius P.~Kumquat
+(The Kumquat Consortium, email: {\texttt{jpkumquat@consortium.net}}).}
+\date{30 July 1999}
+% Just remember to make sure that the TOTAL number of authors
+% is the number that will appear on the first page PLUS the
+% number that will appear in the \additionalauthors section.
+
+\maketitle
+\begin{abstract}
+This paper provides a sample of a \LaTeX\ document which conforms,
+somewhat loosely, to the formatting guidelines for
+ACM SIG Proceedings. It is an {\em alternate} style which produces
+a {\em tighter-looking} paper and was designed in response to
+concerns expressed, by authors, over page-budgets.
+It complements the document \textit{Author's (Alternate) Guide to
+Preparing ACM SIG Proceedings Using \LaTeX$2_\epsilon$\ and Bib\TeX}.
+This source file has been written with the intention of being
+compiled under \LaTeX$2_\epsilon$\ and BibTeX.
+
+The developers have tried to include every imaginable sort
+of ``bells and whistles", such as a subtitle, footnotes on
+title, subtitle and authors, as well as in the text, and
+every optional component (e.g. Acknowledgments, Additional
+Authors, Appendices), not to mention examples of
+equations, theorems, tables and figures.
+
+To make best use of this sample document, run it through \LaTeX\
+and BibTeX, and compare this source code with the printed
+output produced by the dvi file. A compiled PDF version
+is available on the web page to help you with the
+`look and feel'.
+\end{abstract}
+
+% A category with the (minimum) three required fields
+\category{H.4}{Information Systems Applications}{Miscellaneous}
+%A category including the fourth, optional field follows...
+\category{D.2.8}{Software Engineering}{Metrics}[complexity measures, performance measures]
+
+\terms{Theory}
+
+\keywords{ACM proceedings, \LaTeX, text tagging}
+
+\section{Introduction}
+The \textit{proceedings} are the records of a conference.
+ACM seeks to give these conference by-products a uniform,
+high-quality appearance.  To do this, ACM has some rigid
+requirements for the format of the proceedings documents: there
+is a specified format (balanced  double columns), a specified
+set of fonts (Arial or Helvetica and Times Roman) in
+certain specified sizes (for instance, 9 point for body copy),
+a specified live area (18 $\times$ 23.5 cm [7" $\times$ 9.25"]) centered on
+the page, specified size of margins (1.9 cm [0.75"]) top, (2.54 cm [1"]) bottom
+and (1.9 cm [.75"]) left and right; specified column width
+(8.45 cm [3.33"]) and gutter size (.83 cm [.33"]).
+
+The good news is, with only a handful of manual
+settings\footnote{Two of these, the {\texttt{\char'134 numberofauthors}}
+and {\texttt{\char'134 alignauthor}} commands, you have
+already used; another, {\texttt{\char'134 balancecolumns}}, will
+be used in your very last run of \LaTeX\ to ensure
+balanced column heights on the last page.}, the \LaTeX\ document
+class file handles all of this for you.
+
+The remainder of this document is concerned with showing, in
+the context of an ``actual'' document, the \LaTeX\ commands
+specifically available for denoting the structure of a
+proceedings paper, rather than with giving rigorous descriptions
+or explanations of such commands.
+
+\section{The {\secit Body} of The Paper}
+Typically, the body of a paper is organized
+into a hierarchical structure, with numbered or unnumbered
+headings for sections, subsections, sub-subsections, and even
+smaller sections.  The command \texttt{{\char'134}section} that
+precedes this paragraph is part of such a
+hierarchy.\footnote{This is the second footnote.  It
+starts a series of three footnotes that add nothing
+informational, but just give an idea of how footnotes work
+and look. It is a wordy one, just so you see
+how a longish one plays out.} \LaTeX\ handles the numbering
+and placement of these headings for you, when you use
+the appropriate heading commands around the titles
+of the headings.  If you want a sub-subsection or
+smaller part to be unnumbered in your output, simply append an
+asterisk to the command name.  Examples of both
+numbered and unnumbered headings will appear throughout the
+balance of this sample document.
+
+Because the entire article is contained in
+the \textbf{document} environment, you can indicate the
+start of a new paragraph with a blank line in your
+input file; that is why this sentence forms a separate paragraph.
+
+\subsection{Type Changes and {\subsecit Special} Characters}
+We have already seen several typeface changes in this sample.  You
+can indicate italicized words or phrases in your text with
+the command \texttt{{\char'134}textit}; emboldening with the
+command \texttt{{\char'134}textbf}
+and typewriter-style (for instance, for computer code) with
+\texttt{{\char'134}texttt}.  But remember, you do not
+have to indicate typestyle changes when such changes are
+part of the \textit{structural} elements of your
+article; for instance, the heading of this subsection will
+be in a sans serif\footnote{A third footnote, here.
+Let's make this a rather short one to
+see how it looks.} typeface, but that is handled by the
+document class file. Take care with the use
+of\footnote{A fourth, and last, footnote.}
+the curly braces in typeface changes; they mark
+the beginning and end of
+the text that is to be in the different typeface.
+
+You can use whatever symbols, accented characters, or
+non-English characters you need anywhere in your document;
+you can find a complete list of what is
+available in the \textit{\LaTeX\
+User's Guide}\cite{Lamport:LaTeX}.
+
+\subsection{Math Equations}
+You may want to display math equations in three distinct styles:
+inline, numbered or non-numbered display.  Each of
+the three are discussed in the next sections.
+
+\subsubsection{Inline (In-text) Equations}
+A formula that appears in the running text is called an
+inline or in-text formula.  It is produced by the
+\textbf{math} environment, which can be
+invoked with the usual \texttt{{\char'134}begin. . .{\char'134}end}
+construction or with the short form \texttt{\$. . .\$}. You
+can use any of the symbols and structures,
+from $\alpha$ to $\omega$, available in
+\LaTeX\cite{Lamport:LaTeX}; this section will simply show a
+few examples of in-text equations in context. Notice how
+this equation: \begin{math}\lim_{n\rightarrow \infty}x=0\end{math},
+set here in in-line math style, looks slightly different when
+set in display style.  (See next section).
+
+\subsubsection{Display Equations}
+A numbered display equation -- one set off by vertical space
+from the text and centered horizontally -- is produced
+by the \textbf{equation} environment. An unnumbered display
+equation is produced by the \textbf{displaymath} environment.
+
+Again, in either environment, you can use any of the symbols
+and structures available in \LaTeX; this section will just
+give a couple of examples of display equations in context.
+First, consider the equation, shown as an inline equation above:
+\begin{equation}\lim_{n\rightarrow \infty}x=0\end{equation}
+Notice how it is formatted somewhat differently in
+the \textbf{displaymath}
+environment.  Now, we'll enter an unnumbered equation:
+\begin{displaymath}\sum_{i=0}^{\infty} x + 1\end{displaymath}
+and follow it with another numbered equation:
+\begin{equation}\sum_{i=0}^{\infty}x_i=\int_{0}^{\pi+2} f\end{equation}
+just to demonstrate \LaTeX's able handling of numbering.
+
+\subsection{Citations}
+Citations to articles \cite{bowman:reasoning,
+clark:pct, braams:babel, herlihy:methodology},
+conference proceedings \cite{clark:pct} or
+books \cite{salas:calculus, Lamport:LaTeX} listed
+in the Bibliography section of your
+article will occur throughout the text of your article.
+You should use BibTeX to automatically produce this bibliography;
+you simply need to insert one of several citation commands with
+a key of the item cited in the proper location in
+the \texttt{.tex} file \cite{Lamport:LaTeX}.
+The key is a short reference you invent to uniquely
+identify each work; in this sample document, the key is
+the first author's surname and a
+word from the title.  This identifying key is included
+with each item in the \texttt{.bib} file for your article.
+
+The details of the construction of the \texttt{.bib} file
+are beyond the scope of this sample document, but more
+information can be found in the \textit{Author's Guide},
+and exhaustive details in the \textit{\LaTeX\ User's
+Guide}\cite{Lamport:LaTeX}.
+
+This article shows only the plainest form
+of the citation command, using \texttt{{\char'134}cite}.
+This is what is stipulated in the SIGS style specifications.
+No other citation format is endorsed or supported.
+
+\subsection{Tables}
+Because tables cannot be split across pages, the best
+placement for them is typically the top of the page
+nearest their initial cite.  To
+ensure this proper ``floating'' placement of tables, use the
+environment \textbf{table} to enclose the table's contents and
+the table caption.  The contents of the table itself must go
+in the \textbf{tabular} environment, to
+be aligned properly in rows and columns, with the desired
+horizontal and vertical rules.  Again, detailed instructions
+on \textbf{tabular} material
+is found in the \textit{\LaTeX\ User's Guide}.
+
+Immediately following this sentence is the point at which
+Table 1 is included in the input file; compare the
+placement of the table here with the table in the printed
+dvi output of this document.
+
+\begin{table}
+\centering
+\caption{Frequency of Special Characters}
+\begin{tabular}{|c|c|l|} \hline
+Non-English or Math&Frequency&Comments\\ \hline
+\O & 1 in 1,000& For Swedish names\\ \hline
+$\pi$ & 1 in 5& Common in math\\ \hline
+\$ & 4 in 5 & Used in business\\ \hline
+$\Psi^2_1$ & 1 in 40,000& Unexplained usage\\
+\hline\end{tabular}
+\end{table}
+
+To set a wider table, which takes up the whole width of
+the page's live area, use the environment
+\textbf{table*} to enclose the table's contents and
+the table caption.  As with a single-column table, this wide
+table will ``float" to a location deemed more desirable.
+Immediately following this sentence is the point at which
+Table 2 is included in the input file; again, it is
+instructive to compare the placement of the
+table here with the table in the printed dvi
+output of this document.
+
+
+\begin{table*}
+\centering
+\caption{Some Typical Commands}
+\begin{tabular}{|c|c|l|} \hline
+Command&A Number&Comments\\ \hline
+\texttt{{\char'134}alignauthor} & 100& Author alignment\\ \hline
+\texttt{{\char'134}numberofauthors}& 200& Author enumeration\\ \hline
+\texttt{{\char'134}table}& 300 & For tables\\ \hline
+\texttt{{\char'134}table*}& 400& For wider tables\\ \hline\end{tabular}
+\end{table*}
+% end the environment with {table*}, NOTE not {table}!
+
+\subsection{Figures}
+Like tables, figures cannot be split across pages; the
+best placement for them
+is typically the top or the bottom of the page nearest
+their initial cite.  To ensure this proper ``floating'' placement
+of figures, use the environment
+\textbf{figure} to enclose the figure and its caption.
+
+This sample document contains examples of \textbf{.eps}
+and \textbf{.ps} files to be displayable with \LaTeX.  More
+details on each of these is found in the \textit{Author's Guide}.
+
+\begin{figure}
+\centering
+\epsfig{file=fly.eps}
+\caption{A sample black and white graphic (.eps format).}
+\end{figure}
+
+\begin{figure}
+\centering
+\epsfig{file=fly.eps, height=1in, width=1in}
+\caption{A sample black and white graphic (.eps format)
+that has been resized with the \texttt{epsfig} command.}
+\end{figure}
+
+
+As was the case with tables, you may want a figure
+that spans two columns.  To do this, and still to
+ensure proper ``floating'' placement of tables, use the environment
+\textbf{figure*} to enclose the figure and its caption.
+and don't forget to end the environment with
+{figure*}, not {figure}!
+
+\begin{figure*}
+\centering
+\epsfig{file=flies.eps}
+\caption{A sample black and white graphic (.eps format)
+that needs to span two columns of text.}
+\end{figure*}
+
+Note that either {\textbf{.ps}} or {\textbf{.eps}} formats are
+used; use
+the \texttt{{\char'134}epsfig} or \texttt{{\char'134}psfig}
+commands as appropriate for the different file types.
+
+\begin{figure}
+\centering
+\psfig{file=rosette.ps, height=1in, width=1in,}
+\caption{A sample black and white graphic (.ps format) that has
+been resized with the \texttt{psfig} command.}
+\vskip -6pt
+\end{figure}
+
+\subsection{Theorem-like Constructs}
+Other common constructs that may occur in your article are
+the forms for logical constructs like theorems, axioms,
+corollaries and proofs.  There are
+two forms, one produced by the
+command \texttt{{\char'134}newtheorem} and the
+other by the command \texttt{{\char'134}newdef}; perhaps
+the clearest and easiest way to distinguish them is
+to compare the two in the output of this sample document:
+
+This uses the \textbf{theorem} environment, created by
+the\linebreak\texttt{{\char'134}newtheorem} command:
+\newtheorem{theorem}{Theorem}
+\begin{theorem}
+Let $f$ be continuous on $[a,b]$.  If $G$ is
+an antiderivative for $f$ on $[a,b]$, then
+\begin{displaymath}\int^b_af(t)dt = G(b) - G(a).\end{displaymath}
+\end{theorem}
+
+The other uses the \textbf{definition} environment, created
+by the \texttt{{\char'134}newdef} command:
+\newdef{definition}{Definition}
+\begin{definition}
+If $z$ is irrational, then by $e^z$ we mean the
+unique number which has
+logarithm $z$: \begin{displaymath}{\log e^z = z}\end{displaymath}
+\end{definition}
+
+Two lists of constructs that use one of these
+forms is given in the
+\textit{Author's  Guidelines}.
+ 
+There is one other similar construct environment, which is
+already set up
+for you; i.e. you must \textit{not} use
+a \texttt{{\char'134}newdef} command to
+create it: the \textbf{proof} environment.  Here
+is a example of its use:
+\begin{proof}
+Suppose on the contrary there exists a real number $L$ such that
+\begin{displaymath}
+\lim_{x\rightarrow\infty} \frac{f(x)}{g(x)} = L.
+\end{displaymath}
+Then
+\begin{displaymath}
+l=\lim_{x\rightarrow c} f(x)
+= \lim_{x\rightarrow c}
+\left[ g{x} \cdot \frac{f(x)}{g(x)} \right ]
+= \lim_{x\rightarrow c} g(x) \cdot \lim_{x\rightarrow c}
+\frac{f(x)}{g(x)} = 0\cdot L = 0,
+\end{displaymath}
+which contradicts our assumption that $l\neq 0$.
+\end{proof}
+
+Complete rules about using these environments and using the
+two different creation commands are in the
+\textit{Author's Guide}; please consult it for more
+detailed instructions.  If you need to use another construct,
+not listed therein, which you want to have the same
+formatting as the Theorem
+or the Definition\cite{salas:calculus} shown above,
+use the \texttt{{\char'134}newtheorem} or the
+\texttt{{\char'134}newdef} command,
+respectively, to create it.
+
+\subsection*{A {\secit Caveat} for the \TeX\ Expert}
+Because you have just been given permission to
+use the \texttt{{\char'134}newdef} command to create a
+new form, you might think you can
+use \TeX's \texttt{{\char'134}def} to create a
+new command: \textit{Please refrain from doing this!}
+Remember that your \LaTeX\ source code is primarily intended
+to create camera-ready copy, but may be converted
+to other forms -- e.g. HTML. If you inadvertently omit
+some or all of the \texttt{{\char'134}def}s recompilation will
+be, to say the least, problematic.
+
+\section{Conclusions}
+This paragraph will end the body of this sample document.
+Remember that you might still have Acknowledgments or
+Appendices; brief samples of these
+follow.  There is still the Bibliography to deal with; and
+we will make a disclaimer about that here: with the exception
+of the reference to the \LaTeX\ book, the citations in
+this paper are to articles which have nothing to
+do with the present subject and are used as
+examples only.
+%\end{document}  % This is where a 'short' article might terminate
+
+%ACKNOWLEDGMENTS are optional
+\section{Acknowledgments}
+This section is optional; it is a location for you
+to acknowledge grants, funding, editing assistance and
+what have you.  In the present case, for example, the
+authors would like to thank Gerald Murray of ACM for
+his help in codifying this \textit{Author's Guide}
+and the \textbf{.cls} and \textbf{.tex} files that it describes.
+
+%
+% The following two commands are all you need in the
+% initial runs of your .tex file to
+% produce the bibliography for the citations in your paper.
+\bibliographystyle{abbrv}
+\bibliography{sigproc}  % sigproc.bib is the name of the Bibliography in this case
+% You must have a proper ".bib" file
+%  and remember to run:
+% latex bibtex latex latex
+% to resolve all references
+%
+% ACM needs 'a single self-contained file'!
+%
+%APPENDICES are optional
+%\balancecolumns
+\appendix
+%Appendix A
+\section{Headings in Appendices}
+The rules about hierarchical headings discussed above for
+the body of the article are different in the appendices.
+In the \textbf{appendix} environment, the command
+\textbf{section} is used to
+indicate the start of each Appendix, with alphabetic order
+designation (i.e. the first is A, the second B, etc.) and
+a title (if you include one).  So, if you need
+hierarchical structure
+\textit{within} an Appendix, start with \textbf{subsection} as the
+highest level. Here is an outline of the body of this
+document in Appendix-appropriate form:
+\subsection{Introduction}
+\subsection{The Body of the Paper}
+\subsubsection{Type Changes and  Special Characters}
+\subsubsection{Math Equations}
+\paragraph{Inline (In-text) Equations}
+\paragraph{Display Equations}
+\subsubsection{Citations}
+\subsubsection{Tables}
+\subsubsection{Figures}
+\subsubsection{Theorem-like Constructs}
+\subsubsection*{A Caveat for the \TeX\ Expert}
+\subsection{Conclusions}
+\subsection{Acknowledgments}
+\subsection{Additional Authors}
+This section is inserted by \LaTeX; you do not insert it.
+You just add the names and information in the
+\texttt{{\char'134}additionalauthors} command at the start
+of the document.
+\subsection{References}
+Generated by bibtex from your ~.bib file.  Run latex,
+then bibtex, then latex twice (to resolve references)
+to create the ~.bbl file.  Insert that ~.bbl file into
+the .tex source file and comment out
+the command \texttt{{\char'134}thebibliography}.
+% This next section command marks the start of
+% Appendix B, and does not continue the present hierarchy
+\section{More Help for the Hardy}
+The sig-alternate.cls file itself is chock-full of succinct
+and helpful comments.  If you consider yourself a moderately
+experienced to expert user of \LaTeX, you may find reading
+it useful but please remember not to change it.
+%\balancecolumns % GM June 2007
+% That's all folks!
+\end{document}