RDF in Ruby revisited

If you’re interested in collaborating on Ruby tools for RDF, please join the public-rdf-ruby@w3.org mailing list at W3C. Just send a note to public-rdf-ruby-request@w3.org with a subject line of “subscribe”. Last weekend I had the fortune to run into Rich Kilmer at O’Reilly’s ‘Social graph Foo Camp‘ gathering. In addition to helping decorate my tent, […]

Loosly joined

find . -name danbri-\*.rdf -exec rapper –count {} \; rapper: Parsing file ./facebook/danbri-fb.rdf rapper: Parsing returned 2155 statements rapper: Parsing file ./orkut/danbri-orkut.rdf rapper: Parsing returned 848 statements rapper: Parsing file ./dopplr/danbri-dopplr.rdf rapper: Parsing returned 346 statements rapper: Parsing file ./tribe.net/danbri-tribe.rdf rapper: Parsing returned 71 statements rapper: Parsing file ./my.opera.com/danbri-opera.rdf rapper: Parsing returned 123 statements rapper: […]

Sample SPARQL query

PREFIX dc: <http://purl.org/dc/elements/1.1/> SELECT ?book ?title ?authorname WHERE { ?book dc:creator ?author . ?author dc:type <http ://hoppa.com/Painters/> . ?author dc:title ?authorname . ?book dc:title ?title . } …works with rdf data describing some books by painters. I tested in Dave Beckett’s Redland-based online SPARQL demo. The query finds 5 results. Seems to have some encoding […]