- From: Hugh Glaser <hg@ecs.soton.ac.uk>
- Date: Tue, 20 Aug 2013 18:19:57 +0000
- To: Bernard Vatant <bernard.vatant@mondeca.com>
- CC: Linking Open Data <public-lod@w3.org>, Barry Norton <barry.norton@ontotext.com>
Hi Bernard, And if you are going to change things… I went looking for equivalences (:-)), and found a lot (but not all) of owl:sameAs dbpedia objects that seem to have crept in as strings, e.g. <http://rdf.muninn-project.org/ontologies/military#Battalion> owl:sameAs "dbpedia:Battalion" http://lov.okfn.org/endpoint/lov_aggregator?query=PREFIX+owl%3A+++%3Chttp%3A%2F%2Fwww.w3.org%2F2002%2F07%2Fowl%23%3E%0D%0ASELECT+DISTINCT+*+WHERE+%7B+%3Fs+owl%3AsameAs+%3Fo+%7D%0D%0ALIMIT+100&format=HTML Best Hugh On 20 Aug 2013, at 18:23, Barry Norton <barry.norton@ontotext.com> wrote: > > Thanks, Bernard. > > I get ~5000 instances of rdf:Property (and 1643 of rdfs:Class - and oddly 5 instances of rdfs:Property), but more than three times as many for: > > SELECT (COUNT(?property) AS ?properties) > { > SELECT DISTINCT ?property > WHERE{ > {?property rdfs:domain ?domain} > UNION > {?property rdfs:range ?range} > UNION > {?property rdfs:subPropertyOf ?super} > UNION > {?sub rdfs:subPropertyOf ?property} > } > } > > I'm guessing, therefore, no inference in this store? > > Since OWL-implied properties would require a much more sophisticated query, is it possible to get the dataset and re-index this with inference? > > Barry > > > > > On 20/08/2013 18:02, Bernard Vatant wrote: >> Hello Barry >> >> >> I had a reminder today that I never answered the question below, and I am very late indeed ! >> >> >> Properties and classes of all vocabularies in LOV are aggregated in a triple store >> >> >> of which SPARQL endpoint is at >> http://lov.okfn.org/endpoint/lov_aggregator >> This is quite "raw data" but you should find everything you need in there. >> >> >> >> Otherwise can also use the new API http://lov.okfn.org/dataset/lov/api/v1/vocabs >> which for each vocabulary provides the prefix and link to the last version stored. >> >> >> >> >> Hope that helps >> >> >> Bernard >> >> >> From: Barry Norton <barry.norton@ontotext.com >> > >> >> Date: Sat, 06 Jul 2013 11:27:46 +0100 >> >> >> Bernard, does LOV keep a cache of properties and classes? >> >> I'd really like to see resource auto-completion in Web-based tools like >> YASGUI, but a cache is clearly needed for the to be feasible. >> >> Barry >> >> >
Received on Tuesday, 20 August 2013 18:20:46 UTC