Re: Way to generate LOD cloud diagram Interlinking Stats from the Virtuoso OpenSource SPARQL endpoint named graphs?

Peter,

On 9 Sep 2010, at 02:54, Peter DeVries wrote:
> I was wondering if anyone has figured out a way to generate the LOD
> interlinking (InLinks/OutLinks) stats from a Virtuoso OpenSource  
> SPARQL
> Endpoint.

I used this one here a lot. It makes use of Viruoso's awesome built-in  
function library. Unfortunately it doesn't work on your endpoint,  
complains about the AS in the SELECT clause. Old Virtuoso version?

Richard



PREFIX owl:  <http://www.w3.org/2002/07/owl#>
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
SELECT ?domain_s ?domain_o (COUNT(*) AS ?count)
WHERE {
     {
         SELECT (bif:regexp_substr("http://([^/]*)", STR(?s), 1) AS ? 
domain_s) (bif:regexp_substr("http://([^/]*)", STR(?o), 1) AS ?domain_o)
         WHERE {
             { ?s owl:sameAs ?o }
             UNION
             { ?s skos:exactMatch ?o }
             UNION
             { ?s skos:broadMatch ?o }
             UNION
             { ?s skos:narrowMatch ?o }
             UNION
             { ?s skos:relatedMatch ?o }
             UNION
             { ?s skos:closeMatch ?o }
         }
     }
}
GROUP BY ?domain_s ?domain_o



>
> The two named graphs I am most interested in are:
>
> <urn:org:linkedopenspeciesdata:dataspace:taxonconcept> *taxonconcept*
> <urn:org:linkedopenspeciesdata:dataspace:geospecies>    *geospecies*
> *
> *
> On this endpoint http://lsd.taxonconcept.org/sparql
>
> Thanks!
>
> - Pete
>
> ----------------------------------------------------------------
> Pete DeVries
> Department of Entomology
> University of Wisconsin - Madison
> 445 Russell Laboratories
> 1630 Linden Drive
> Madison, WI 53706
> TaxonConcept Knowledge Base <http://www.taxonconcept.org/> /  
> GeoSpecies
> Knowledge Base <http://lod.geospecies.org/>
> About the GeoSpecies Knowledge Base <http://about.geospecies.org/>
> ------------------------------------------------------------

Received on Thursday, 9 September 2010 15:40:31 UTC