I did not understand your question re the assembler and how it is
connecting the dataset to the index. Can you elaborate pls?
Re the queries I had tried them already. This one
SELECT ?s { ?s dc:title ?x }
returned fine, while others did not return anything.
On Fri, Feb 27, 2015 at 9:42 PM, Andy Seaborne <[email protected]> wrote:
> On 27/02/15 14:07, Charles Abela wrote:
>
>> Hi,
>> I've managed to configure and run jena-fuseki. I used the
>> config-tdb-text.ttl and created a lucene index over the books.ttl example
>> (7 properties were indexed). However when I execute the query
>>
>> PREFIX text: <http://jena.apache.org/text#>
>> PREFIX dc: <http://purl.org/dc/elements/1.1/>
>> PREFIX book: <http://example.org/book/>
>> PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
>> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
>>
>> SELECT ?s
>> { ?s dc:title ?x .
>> ?s text:query (dc:title 'Harry') ;
>> }
>>
>> no tuples are returned.
>>
>> I've configured <#entMap> as follows:
>>
>
> How is the assembler connecting the dataset to the text index?
>
>
>> <#entMap> a text:EntityMap ;
>> text:entityField "uri" ;
>> text:defaultField "text" ; ## Should be defined in the
>> text:map.
>> text:map (
>> [ text:field "text" ;
>> text:predicate dc:title;
>> text:analyzer [
>> a text:StandardAnalyzer ;
>> text:stopWords ("a" "an" "and" "but")
>> ]
>> ]
>> ) .
>>
>> am I on the right track here?
>>
>
> Yes
>
>
>> am I missing or doing something wrong?
>>
>
> Not obviously to me.
>
>
>> thanks in advance
>>
>>
> Try some debugging: these queries will poke into the database:
>
> SELECT ?s { ?s dc:title ?x }
>
> SELECT ?s { ?s text:query ('Harry') }
>
> SELECT ?s { ?s text:query (dc:title 'Harry') }
>
> Andy
>
>
>
