JeromeDL/SearchServiceComponent
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Search Service Component
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Articles
The search engine in JeromeDL is described in Kruk, Zaremba, Zimmermann: Semantically Enhanced Search Services for Digital Libraries.
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Query Object XML Schema
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1 <?xml version="1.0" encoding="UTF-8"?> 2 28 31 <!DOCTYPE xs:schema SYSTEM "file:///www/webapps/JeromeDL/xml/dtd/namespaces.dtd"> 32 <xs:schema xmlns:elvis="&elvis;" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:rdfs="&rdfs;" elementFormDefault="qualified"> 33 <xs:element name="Query"> 34 <xs:complexType> 35 <xs:sequence> 36 <xs:element ref="Property" minOccurs="0" maxOccurs="unbounded" rdfs:label="property of resource" rdfs:comment="Define possible values for this property of the resource you are looking for"/> 37 <xs:element ref="FullText" minOccurs="0" maxOccurs="unbounded" rdfs:label="fulltext search" rdfs:comment="List of word that should be found in the resoure content or abstract"/> 38 </xs:sequence> 39 <xs:attribute name="isAdvanced" type="xs:boolean" use="required" default="true" rdfs:label="simple search" rdfs:comment="Simple searching with one field (the value is copied to another properties in the Query object)" elvis:type="hidden"/> 40 <xs:attribute name="isSemantic" type="xs:boolean" use="optional" default="false" rdfs:label="semantic search" rdfs:comment="Advance searching with semantic query expansion" elvis:type="checkbox"/> 41 <xs:attribute name="isConjunction" type="xs:boolean" use="optional" default="false" rdfs:label="is conjunction" rdfs:comment="Do all the results must conform given properties" elvis:type="checkbox"/> 42 </xs:complexType> 43 </xs:element> 44 <xs:element name="Property"> 45 <xs:complexType> 46 <xs:sequence> 47 <xs:element ref="Value" maxOccurs="unbounded"/> 48 </xs:sequence> 49 <xs:attribute name="rank" type="xs:integer" use="required"/> 50 <xs:attribute name="id" type="xs:string" use="required"/> 51 </xs:complexType> 52 </xs:element> 53 <xs:element name="FullText"> 54 <xs:complexType> 55 <xs:sequence> 56 <xs:element ref="Value" maxOccurs="unbounded"/> 57 </xs:sequence> 58 </xs:complexType> 59 </xs:element> 60 <xs:element name="Value"> 61 <xs:complexType> 62 <xs:simpleContent> 63 <xs:extension base="xs:string"> 64 <xs:attribute name="function" use="required"> 65 <xs:simpleType> 66 <xs:restriction base="xs:string"> 67 <xs:enumeration value="default"/> 68 <xs:enumeration value="mustExist"/> 69 <xs:enumeration value="mustNotExist"/> 70 <xs:enumeration value="proximity"/> 71 <xs:enumeration value="boost"/> 72 </xs:restriction> 73 </xs:simpleType> 74 </xs:attribute> 75 <xs:attribute name="functionAttribute" type="xs:string"/> 76 <xs:attribute name="escaped" type="xs:boolean"/> 77 </xs:extension> 78 </xs:simpleContent> 79 </xs:complexType> 80 </xs:element> 81 </xs:schema>
The definition of Query Object in XML Schema
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Result Object XML Schema
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1 <?xml version="1.0" encoding="UTF-8"?> 2 28 31 <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified"> 32 <xs:element name="Author"> 33 <xs:complexType> 34 <xs:simpleContent> 35 <xs:extension base="xs:string"> 36 <xs:attribute name="uri" type="xs:anyURI" use="required"/> 37 </xs:extension> 38 </xs:simpleContent> 39 </xs:complexType> 40 </xs:element> 41 <xs:element name="Book"> 42 <xs:complexType> 43 <xs:sequence> 44 <xs:element ref="Title"/> 45 <xs:element ref="Author" maxOccurs="unbounded"/> 46 <xs:element ref="Domain" minOccurs="0" maxOccurs="unbounded"/> 47 <xs:element ref="Keyword" minOccurs="0" maxOccurs="unbounded"/> 48 <xs:element ref="Digest"/> 49 </xs:sequence> 50 <xs:attribute name="id" type="xs:string" use="required"/> 51 <xs:attribute name="bookType" use="required"> 52 <xs:simpleType> 53 <xs:restriction base="xs:string"> 54 <xs:enumeration value="book"/> 55 <xs:enumeration value="publication"/> 56 <xs:enumeration value="script"/> 57 <xs:enumeration value="oldbook"/> 58 </xs:restriction> 59 </xs:simpleType> 60 </xs:attribute> 61 <xs:attribute name="type" type="xs:string" use="required"/> 62 <xs:attribute name="rank" type="xs:unsignedLong" use="optional" default="0"/> 63 </xs:complexType> 64 </xs:element> 65 <xs:element name="Results"> 66 <xs:complexType> 67 <xs:sequence> 68 <xs:element ref="Book" minOccurs="0" maxOccurs="unbounded"/> 69 <xs:element ref="Info"/> 70 <xs:element ref="History"/> 71 </xs:sequence> 72 </xs:complexType> 73 </xs:element> 74 <xs:element name="Title" type="xs:string"/> 75 <xs:element name="Info"> 76 <xs:complexType> 77 <xs:sequence> 78 <xs:element ref="Message" maxOccurs="unbounded"/> 79 </xs:sequence> 80 </xs:complexType> 81 </xs:element> 82 <xs:element name="History"> 83 <xs:complexType> 84 <xs:sequence> 85 <xs:element ref="Message" maxOccurs="unbounded"/> 86 </xs:sequence> 87 </xs:complexType> 88 </xs:element> 89 <xs:element name="Message"> 90 <xs:complexType> 91 <xs:sequence> 92 <xs:element ref="Try" minOccurs="0" maxOccurs="unbounded"/> 93 </xs:sequence> 94 <xs:attribute name="type" type="xs:string" use="required"/> 95 <xs:attribute name="action" type="xs:string" use="required"/> 96 97 <xs:attribute name="name" type="xs:string" use="optional"/> 98 <xs:attribute name="uri" type="xs:anyURI" use="optional"/> 99 </xs:complexType> 100 </xs:element> 101 <xs:element name="Try" nillable="false"> 102 <xs:complexType> 103 <xs:simpleContent> 104 <xs:extension base="xs:string"> 105 <xs:attribute name="uri" type="xs:anyURI" use="required"/> 106 </xs:extension> 107 </xs:simpleContent> 108 </xs:complexType> 109 </xs:element> 110 <xs:element name="Domain"> 111 <xs:complexType> 112 <xs:simpleContent> 113 <xs:extension base="xs:string"> 114 <xs:attribute name="uri" type="xs:anyURI" use="required"/> 115 </xs:extension> 116 </xs:simpleContent> 117 </xs:complexType> 118 </xs:element> 119 <xs:element name="Keyword"> 120 <xs:complexType> 121 <xs:simpleContent> 122 <xs:extension base="xs:string"> 123 <xs:attribute name="uri" type="xs:anyURI" use="required"/> 124 </xs:extension> 125 </xs:simpleContent> 126 </xs:complexType> 127 </xs:element> 128 <xs:element name="Digest" type="xs:string"/> 129 </xs:schema>
The definition of Result Object in XML Schema
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Java Implementation
You can also find the detailed description of the search service component API in CVS module javadoc of JeromeDL project at sourceforge. See the PDF generated from this JavaDoc.
