Hi, Is it possible for someone to shed light on setup of Clerezza Yard and potentially one sample Sparql query?
With best regards, Rajan Sent from my iPhone > On May 25, 2015, at 12:04 AM, Rajan Shah <raja...@gmail.com> wrote: > > Hi, > > In order to use Clerezza Yard setup, I tried very simple example outlined at > the end. > > I would really appreciate, if someone can shed some light on > > a. Is there anything I am just completely missing here pertaining to "Named > Graph" vs "Unions of Graphs" and reference? If that's the case, could you > please clarify what would be relevant URI/IRI? > > b. What is the best way to debug such an issue? If SPARQL query fails, where > should I see the logs indicating any issue as it doesn't appear in stdout > logs? > > c. Is there any other simple alternative compare to this to achieve similar > functionality? Is storing in Kiwi beneficial compared to this approach or do > I have to have Apache Maramotta installed in order to use Kiwi? > > Thanks in advance, > Rajan > > > 1. Apache Stanbol Entityhub Yard: Clerezza Yard Configuration > > Set following parameters > > ID: testYard > Graph URI: http://test.io/ns/friends# > > 2. Setup Clerezza - SCB Jena TDB Storage Provider > > Jena TDB directory: /<stanbol_dir>/<tdb_store> > Default Graph Name: http://test.io/ns > Weight: 105 > > 3. Save the .ttl file into /<stanbol_dir>/<tdb_store> > > @prefix vcard: <http://www.w3.org/2006/vcard/ns#> . > @prefix rdfa: <http://www.w3.org/ns/rdfa#> . > @prefix friends: <http://test.io/ns/friends#> . > > <http://test.io/ns/friends#AndrewSmith> a vcard:Individual; > vcard:fn "Andrew Smith"; > vcard:title "Founder"; > vcard:org "ABC LLC"; > vcard:orgunit "Startup"; > vcard:hasAddress [ > a vcard:Work; > vcard:country-name "USA"; > vcard:locality "New York"; > vcard:region "New York" > ] . > > 4. I do see that, upon startup, it creates necessary index files within > /<stanbol_dir>/<tdb_store> > directory. In addition, within UI, it also registers following > TripleCollections in SPARQL Endpoint > > http://test.io/ns/friends# > > 5. SPARQL Query > -- query1 > PREFIX vcard: <http://www.w3.org/2006/vcard/ns#> > PREFIX friends: <http://test.io/ns/friends#> > PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> > > SELECT ?fn ?title ?org > WHERE { > ?s vcard:fn ?fn ; > vcard:title ?title ; > vcard:org ?org . > } > > OR > > -- query2 > PREFIX hmgr: <http://test.io/ns/friends#> > PREFIX vcard: <http://www.w3.org/2006/vcard/ns#> > > SELECT ?Individual ?title > WHERE { ?title vcard:title "Founder" } > > > Observations: > > The above queries work perfectly fine on either command-line or Jena Fuseki > as follows > > a. tdbquery --loc /<stanbol_dir/<tdb_store> --query query1 > b. using fuseki user interface > > I tried couple alternatives such as GRAPH, NAMED, etc... however nothing > helps. Is there any specific syntax need to be used for the SPARQL stanbol > interface? > > >
