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|  | <li><a href="opensource.html">Open Source</a></li> | 
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|  | <h1>Open Source, Model Driven , Collaborative Tools for BIRD.</h1> | 
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|  | <h2>What is BIRD?</h2> | 
|  | <p><a href="https://youtu.be/CUreE2REzvA" class="btn btn-special popup-vimeo">Watch The Video</a></p> | 
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|  | <h3>Introduction</h3> | 
|  | <p>At the core of Eclipse Free BIRD Tools is CoCaLiMo, this is a Collaborative Calculation Lineage Model. <br><br> | 
|  | CoCaLiMo is used to provide one common model for calculation, to be used between different disciplines, specifically data modellers, developers, testers and domain experts. <br><br> | 
|  | An extension to CoCaLiMo called 'CoCaLiMo for SMCubes' is used to support the European Central Banks' BIRD project. <br> <br> | 
|  | Aside from CoCaLiMo for SMCubes, Eclipse Free BIRD Tools also provides a set of tools to work with the Logical Data Model for BIRD. <br><br> | 
|  | </p> | 
|  | <h3> What is CoCaLiMo?</h3> | 
|  | <p>From experience in the creation of calculation engines for regulatory logic we often find the following situation where different disciplines all store their knowledge | 
|  | in different formats and tools which cannot interact.  Like this:<br><br> | 
|  | <img src="cocamoPicture2.png" alt="" height="600" width="800"> <br><br> | 
|  | Therefore things get lost in translation.<br><br> | 
|  | Also when a data modellers changes the data model (for example to rename a column or attribute), there is no immediate communication  that this affects another discipline , | 
|  | such as a test or computation which uses that attribute/column. <br><br> | 
|  | In CoCaLiMo all disciplines store their information in one model like this: | 
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|  | <img src="cocamoPicture1.png" alt="" height="600" width="800"> <br><br> | 
|  | More detail is provided below on the different aspects of CoCaLiMo.<br> | 
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|  | <h3><i class="ti-ruler-pencil"></i> <a href="collaboration.html">Collaborative</a></h3> | 
|  | <p>CoCaSon (Collaborative Calculation Simple Object Notation) provides an easy to understand text representation for instances of the Collaborative Calculation Model, | 
|  | familiar to users of JSON, and easy to use  with collaborative software for source control and issue tracking. </p> | 
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|  | <h3><i class="ti-pie-chart"></i><a href="calculation.html">Calculation</a></h3> | 
|  | <p>CoCaLiMo aims to be integratable with calculation languages such as  the VTL language for describing transformations in BIRD.</p> | 
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|  | <h3><i class="ti-pie-chart"></i><a href="lineage.html">Lineage</a></h3> | 
|  | <p>CoCaLiMo aims to track the lineage between regulatory artefacts like regulatory rule book text, regulatory tests, and data models</p> | 
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|  | <h3><i class="ti-settings"></i><a href="model_driven.html">Model</a></h3> | 
|  | <p>CoCaLiMo is a model, its defined as a UML class diagram, and has documentation for each class and attribute, it has no operations.</p> | 
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