I figured it out, I need to include GRAPH ?g in the query
Thanks
On Fri, Sep 6, 2019 at 2:08 PM Alex To <tonhud...@gmail.com> wrote:
>
> Hi
>
> I created a Jena Lucene index with this configuration
>
> var entDef = new EntityDefinition(
> "uri",
> "label",
> "graph", RDFS.label.asNode());
> entDef.setLangField("lang");
> entDef.setUidField("uid");
>
>
> Then I loaded schema.org ontology and queried using Lucene API directly
> on the index directory, I got expected result
>
> QueryParser parser = new QueryParser("label", analyzer);
> Query query = parser.parse("tax~");
>
> But if I use Jena query, I got no result
>
> ParameterizedSparqlString q = new ParameterizedSparqlString(
> "SELECT ?s WHERE { " +
> " ?s text:query 'Taxi' " +
> "}");
>
> q.setNsPrefix("text", "http://jena.apache.org/text#";);
>
>
> A minimal project to illustrate the problem can be found here
> https://github.com/AlexTo/jena-lab/blob/master/src/main/java/com/company/MainSearch.java
>
> If you run index() and then searchLucene() you can see expected results
> but if you run searchJena() you see nothing. What did I miss??
>
> Thank you
>
> Best Regards
>
--
Alex To
PhD Candidate
School of Computer Science
Knowledge Discovery and Management Research Group
Faculty of Engineering & IT
THE UNIVERSITY OF SYDNEY | NSW | 2006
Desk 4e69 | Building J12| 1 Cleveland Street
M. +61423330656 <%2B61450061602>
