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Auto Discovery of voID via SPARQL

I wanted to know more about the data in a SPARQL endpoint. I had a good idea, search the endpoint for triples that mention the URL of the endpoint… no results.

I tried a few endpoints and most returned nothing, but trying one of the RKB Explorer endpoints I got a single triple. But it was the right triple!

From this I can disover everything I need. I suggest that this should be best practice; SPARQL endpoints should contain voID for the datasets they contain, and relate themselves to the datasets using void:sparqlEndpoint.
Even if the voID just has a human readable title and description that’s infinititely better than nothing.

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