- 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