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## Example of a TDB dataset and text index

@prefix :        <http://localhost/jena_example/#> .
@prefix rdf:     <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs:    <http://www.w3.org/2000/01/rdf-schema#> .
@prefix tdb:     <http://jena.hpl.hp.com/2008/tdb#> .
@prefix ja:      <http://jena.hpl.hp.com/2005/11/Assembler#> .
@prefix text:    <http://jena.apache.org/text#> .

# TDB
[] ja:loadClass "org.apache.jena.tdb.TDB" .
tdb:DatasetTDB  rdfs:subClassOf  ja:RDFDataset .
tdb:GraphTDB    rdfs:subClassOf  ja:Model .

# Text
[] ja:loadClass "org.apache.jena.query.text.TextQuery" .
text:TextDataset      rdfs:subClassOf   ja:RDFDataset .
text:TextIndexLucene  rdfs:subClassOf   text:TextIndex .

## ---------------------------------------------------------------
## This URI must be fixed - it's used to assemble the text dataset.

:text_dataset rdf:type     text:TextDataset ;
    text:dataset   <#dataset> ;
    text:index     <#indexLucene> ;
    .

<#dataset> rdf:type      tdb:DatasetTDB ;
    tdb:location "--mem--" ;
    ## In the example, this would hide the real default graph.
    ##tdb:unionDefaultGraph true ;
    .

<#indexLucene> a text:TextIndexLucene ;
    #text:directory <file:Lucene> ;
    text:directory "mem" ;
    text:entityMap <#entMap> ;
    .

<#entMap> a text:EntityMap ;
    text:entityField      "uri" ;
    text:defaultField     "text" ; ## Must be defined in the text:maps
    text:map (
         # rdfs:label            
         [ text:field "text" ; text:predicate rdfs:label ]
         ) .