Hello, I am a new user of virtuoso and have installed virtuoso 7. I am trying to use the virtuoso sponger to convert non-rdf data like csv files and wikipedia html pages into RDF. So far, I have installed the sponger packages using the "Packages" tab from the virtuoso conductor. All the mappers like CSV , Wikipedia URLs Amazon URLS are registered and enabled.
I am assuming that the query SELECT * FROM <http://en.wikipedia.org/wiki/Paul_McCartney> WHERE {?s ?p ?o}; convert the HTML page into RDF and list all the tuples. But the query returns 0 tuples. Similarly attempts to convert CSV into RDF using the query SELECT * FROM < http://samplecsvs.s3.amazonaws.com/TechCrunchcontinentalUSA.csv> WHERE {?s ?p ?o}; returns no results. Am I missing out something? Please help me out. Thanks, Ankit
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