org.eclipse.ua.tests/service/schema/xml/advancedsearch.xsd

<?xml version="1.0" encoding="UTF-8"?>

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
	elementFormDefault="qualified">
	<xs:element name="searchHits">
		<xs:complexType mixed="false">
			<xs:sequence>
				<xs:element ref="hit" minOccurs="0" maxOccurs="unbounded" />   <!-- hits result could be zero -->
			</xs:sequence>
		</xs:complexType>
	</xs:element>

	<xs:element name="hit" abstract="false" nillable="false">
		<xs:complexType mixed="false">
			<xs:sequence>
				<xs:element name="category" minOccurs="1" maxOccurs="1">  <!-- at least and at most one category element -->
					<xs:complexType>
						<xs:simpleContent>
							<xs:extension base="xs:string">
								<xs:attribute name="href" type="xs:string" use="required" />
							</xs:extension>
						</xs:simpleContent>
					</xs:complexType>
				</xs:element>
				<xs:element name="summary" type="xs:string" minOccurs="1" maxOccurs="1" />
			</xs:sequence>
			<xs:attribute name="href" type="xs:string" use="required" /> <!-- attribute for hit -->
			<xs:attribute name="label" type="xs:string" use="required" /> <!-- attribute for hit -->
			<xs:attribute name="isPotentialHit" type="xs:boolean" />  <!-- optional attribute for hit -->
			<xs:attribute name="score" type="xs:double" use="required" /> <!-- attribute for hit -->
		</xs:complexType>
	</xs:element>

</xs:schema>