Thanks again Andy, I finally got it working. You made my day! :D
Cheers, Jeanette On Tue, Dec 10, 2013 at 7:02 PM, Andy Seaborne <[email protected]> wrote: > On 10/12/13 17:41, Jeanette Samuelsen wrote: > >> Hello, >> >> I have tried to make a configuration file for Fuseki to make OWL >> inferencing work with a TDB database. Thus far I have been able to do >> inferencing on an empty dataset, to connect to the TDB database and do >> queries, but not both. >> >> This is the error I'm currently getting: >> "com.hp.hpl.jena.assembler.exceptions.AmbiguousSpecificTypeException: >> cannot find a most specific type for >> file:///home/path/jena/jena-fuseki-1.0.0/test.ttl#dataset2, which has as >> possibilities: ja:Model tdb:DatasetTDB." >> >> I tried fixing the error by doing tdb:DatasetTDB rdfs:subClassOf ja:Model >> , >> but this was not possible. >> >> Below is my configuration file. >> > > At > [[ > > <#model2> rdf:type ja:InfModel; > ja:baseModel <#dataset2> > ]] > it needs a model(=graph) not a dataset (a collection of graphs). > > See > http://jena.apache.org/documentation/tdb/assembler.html#graph > > You need something like (untested): > > > <#dataset2> rdf:type tdb:DatasetTDB ; > tdb:location "DB" ; > > <#graph2> rdf:type tdb:GraphTDB ; > tdb:dataset <#dataset2> . > > > <#model2> rdf:type ja:InfModel; > ja:baseModel <#graph2> > .... > > Note ja:baseModel -> <#graph2> of type tdb:GraphTDB > > > >> Any help would be greatly appreciated. >> >> Best regards, >> Jeanette >> >> @prefix : <#> . >> @prefix fuseki: <http://jena.apache.org/fuseki#> . >> @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 sdb: <http://jena.hpl.hp.com/2007/sdb#> . >> >> [] rdf:type fuseki:Server ; >> >> fuseki:services ( <#tdb> ) . >> >> <#tdb> rdf:type fuseki:Service ; >> fuseki:name "tdb" ; >> fuseki:serviceQuery "sparql" ; >> fuseki:serviceUpdate "update" ; >> fuseki:dataset <#model2> ; >> . >> >> #select which set to . #use >> [] ja:loadClass "com.hp.hpl.jena.tdb.TDB" . >> tdb:DatasetTDB rdfs:subClassOf ja:RDFDataset . >> tdb:GraphTDB rdfs:subClassOf ja:Model . >> >> <#dataset2> >> rdf:type tdb:DatasetTDB; >> tdb:location "/home/path/tdb/sports" ; >> tdb:unionDefaultGraph true ; >> . >> >> <#model2> rdf:type ja:InfModel; >> ja:baseModel <#dataset2>; >> ja:reasoner >> [ ja:reasonerURL <http://jena.hpl.hp.com/2003/OWLFBRuleReasoner>; >> ja:schema <#interpretationSchema> >> ] . >> #<#tdbGraph> rdf:type tdb:GraphTDB; tdb:location "DB"; . >> <#interpretationSchema> a ja:MemoryModel ; >> ja:content [ ja:externalContent <file:/home/path/running.n3> ; >> ] >> . >> >> >
