Re: Question about DBPedia 3.9's OWL file.

Hi Tim,

The ontology is the shared one for all languages for which mappings 
exist (24 languages for DBpedia 3.9). Some properties, like age, might 
not be used in English DBpedia, but only in other languages. For 
instance, age is used here:
http://fr.dbpedia.org/page/Horreur_%C3%A0_Arkham

Best,
Volha


On 7/15/2014 4:29 PM, Alfredo Serafini wrote:
> You're welcome!
>
> If you are mostly interested on exploring data (for navigators and 
> similar tools), I suggest starting from exploring properties usage 
> from the endpoint, and then analyse backwards how the 
> Concepts/Properties are modelled. For some use case (especially for 
> visualizations/navigations/let's say serendipity in general) this 
> approach may be useful.
>
> A.
>
>
> 2014-07-15 16:22 GMT+02:00 Tim Potter <tep@yahoo-inc.com 
> <mailto:tep@yahoo-inc.com>>:
>
>     Hi Alfredo,
>       Thanks for your reply.  Indeed I should have read the
>     documentation better.  It makes sense now, although I didn't find
>     any instances of 'http://dbpedia.org/ontology/age' relations or a
>     number of other /ontology/* property relations in the .nq files
>     from http://downloads.dbpedia.org/3.9/en/.
>
>     Best regards,
>
>     Tim.
>
>
>
>
>     On 7/15/14, 3:24 PM, Alfredo Serafini wrote:
>>
>>     Hi here is a discussion which may be of interest:
>>     http://answers.semanticweb.com/questions/12166/dbpedia-ontology-property-vs-dbpedia-property
>>
>>     moreover:
>>     http://mappings.dbpedia.org/server/ontology/classes/
>>
>>     however if the goal is to find what is the property actually used
>>     on data instances in order to reconstruct them live, I suggest
>>     using SPARQL COUNT directly on the endpoint
>>
>>
>>
>>     2014-07-15 12:11 GMT+02:00 Tim Potter <tep@yahoo-inc.com
>>     <mailto:tep@yahoo-inc.com>>:
>>
>>         Hi All,
>>            I'm working on a tool for explore RDF data.  Recently I've
>>         been trying to load the DBPedia 3.9 data into this tool
>>         however I've noticed that the DBPedia OWL file defines some
>>         properties with '/ontology/' as the path while in the
>>         datasets the predicate has '/property/'.  An example of such
>>         a property would be http://dbpedia.org/ontology/age vs
>>         http://dbpedia.org/property/age. I was wondering if the owl
>>         file is correct?  I haven't worked with OWL ontologies much
>>         so I may have assumed they are simpler than they are.
>>
>>         Thanks in advance.
>>           Tim.
>>
>>
>>
>
>


-- 
---------------------
Dr. Volha Bryl
Postdoctoral Researcher
Chair of Information Systems V
Web-based Systems Group
Universität Mannheim
B6, 26, Room C1.03
D-68131 Mannheim

Tel.: +49 621 181 2599
Mail: volha@informatik.uni-mannheim.de