Re: ANN: DBpedia Version 2014 released

Kingsley Idehen Tue, 09 Sep 2014 06:51:06 -0700

On 9/9/14 9:34 AM, Kingsley Idehen wrote:

On 9/9/14 8:17 AM, Bernard Vatant wrote:

Hi Kingsley

Not sure how to understand your answer. I have no problem with the ontology elements URI such as [1] and varoious conneg formats, my problemn is about the URI of the whole ontology re. metadata etc.

2014-09-09 13:46 GMT+02:00 Kingsley Idehen <[email protected] <mailto:[email protected]>>:


    Bernard,

    As you can see from the announcement, this is a little transition
    period between the combination of DBpedia datasets and Linked
    Data deployment, via the DBpedia endpoint.

    This is simply a case of transition. The problem will be fixed,
    promptly. The URIs below should aid tracking and problem
    comprehension. Also, these URIs won't change following resolution
    of the TCN issues. Might even be fixed before you read this
    response.

    [1] http://dbpedia.org/ontology/TimePeriod
    [2] http://linkeddata.uriburner.com/c/9CU7GSFP -- the problem
    (which is basically TCN and legacy issues with text/rdf+n3 and
    text/turtle).


    Kingsley


Bernard,

Part 2 of the matter is what you need, I should have been clearer. It boils down to the following which will be applied shortly:


## DBpedia Ontology Fix

# Given the following:
# Ontology IRI: <http://dbpedia.org/ontology/>
# Named Graph IRI: <http://dbpedia.org/resource/classes#>
# Apply the SPARQL 1.1 below.
# Then apply a Re-write rule:
# for all lookups requests for: <http://dbpedia.org/ontology/>
# resolve to (based on dynamic content negotiation), a SPARQL URL for:

# DESCRIBE <http://dbpedia.org/ontology/> FROM <http://dbpedia.org/resource/classes#> .


 INSERT
 {GRAPH <http://dbpedia.org/resource/classes#>
        {
             ?s rdfs:isDefinedBy <http://dbpedia.org/ontology/>.
<http://dbpedia.org/ontology/> <http://open.vocab.org/terms/defines> ?s.
<http://dbpedia.org/ontology/> a owl:Ontology .

?s <http://www.w3.org/2007/05/powder-s#describedby> <http://dbpedia.org/ontology/> . <http://dbpedia.org/ontology/> <http://open.vocab.org/terms/describes> ?s .

         }
 }
 WHERE
 {GRAPH <http://ti.arc.nasa.gov/m/profile/shawn/tfmontology/tfmBJ1.owl>
         {
             {?s rdfs:subClassOf ?o}
             UNION
             {?s rdfs:subPropertyOf ?o}
             UNION
             {?s owl:equivalentClass ?o}
             UNION
             {?s owl:equivalentProperty ?o}
             UNION
             {?s a ?o}
         }
  }

Typo fixed variant of the above, should others want to apply this to their DBpedia instances:


INSERT
 {GRAPH  <http://dbpedia.org/resource/classes#>
        {
             ?s rdfs:isDefinedBy <http://dbpedia.org/ontology/>.

<http://dbpedia.org/ontology/> <http://open.vocab.org/terms/defines> ?s.

             <http://dbpedia.org/ontology/> a owl:Ontology .

?s <http://www.w3.org/2007/05/powder-s#describedby> <http://dbpedia.org/ontology/> . <http://dbpedia.org/ontology/> <http://open.vocab.org/terms/describes> ?s .

         }
 }
 WHERE
 {GRAPH <http://dbpedia.org/resource/classes#>
         {
             {?s rdfs:subClassOf ?o}
             UNION
             {?s rdfs:subPropertyOf ?o}
             UNION
             {?s owl:equivalentClass ?o}
             UNION
             {?s owl:equivalentProperty ?o}
             UNION
             {?s a ?o}
         }
  }

--
Regards,

Kingsley Idehen 
Founder & CEO
OpenLink Software
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Re: ANN: DBpedia Version 2014 released

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