jena.spatial+text3.assembler.ttl

## TDB dataset and spatial 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 spatial: <http://jena.apache.org/spatial#> .
@prefix text:    <http://jena.apache.org/text#> .

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

# Initialize Spatial
[] ja:loadClass "org.apache.jena.query.spatial.SpatialQuery" .
spatial:SpatialDataset  rdfs:subClassOf  ja:RDFDataset .
spatial:SpatialIndexLucene  rdfs:subClassOf   spatial:SpatialIndex .

## Initialize text query
[] ja:loadClass       "org.apache.jena.query.text.TextQuery" .
# A TextDataset is a regular dataset with a text index.
text:TextDataset      rdfs:subClassOf   ja:RDFDataset .
# Lucene index
text:TextIndexLucene  rdfs:subClassOf   text:TextIndex .

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

:indexed-dataset rdf:type     spatial:SpatialDataset ;
    spatial:dataset   <#dataset> ;
    spatial:index     <#indexLucene> ;
    rdf:type     text:TextDataset ;
    text:dataset   <#dataset> ;
    text:index     <#indexLuceneText> .

<#dataset> rdf:type      tdb:DatasetTDB ;
    tdb:location "TDB" ;
    .

<#indexLucene> a spatial:SpatialIndexLucene ;
    spatial:directory <file:LUCENESpatial> ;
    spatial:definition <#definition> ;
    .

<#definition> a spatial:EntityDefinition ;
    spatial:entityField      "uri" ;
    spatial:geoField     "geo" 
    .

# Text index description
<#indexLuceneText> a text:TextIndexLucene ;
    text:directory <file:/home/jmv/src/semantic_forms/scala/LUCENE> ;
    text:entityMap <#entMap> ;
    text:storeValues true ; 
    text:analyzer [ a text:StandardAnalyzer ] ;
    text:queryAnalyzer [ a text:KeywordAnalyzer ] ;
    text:queryParser text:AnalyzingQueryParser ;
    # text:defineAnalyzers [ . . . ] ;
    text:multilingualSupport true ;
 .

<#entMap> a text:EntityMap ;
    text:defaultField     "label" ;
    text:entityField      "uri" ;
    text:uidField         "uid" ;
    text:langField        "lang" ;
    text:graphField       "graph" ;
    text:map (
         [ text:field "label" ; 
           text:predicate rdfs:label ]
         ) .