Latest recording on technical matters is a chat with Richard Cyganiak, who’s currently working on the Sindice Semantic Web search engine, though is probably best known for his leading role in the Linking Open Data project (maintaining the cloud diagram

In the podcast Richard describes various technical details of these projects, and talks about the nature of data on the Web in the wild, as RDF, microformats and increasingly RDFa. He also discusses some of the practical issues in mapping existing databases to the Semantic Web (the kind of techniques Tim Berners-Lee mentioned in his podcast
with Paul a few weeks ago).

Richard naturally mentions the principles of Linked Data :

1. Use URIs as names for things
2. Use HTTP URIs so that people can look up those names.
3. When someone looks up a URI, provide useful information.
4. Include links to other URIs. so that they can discover more things.

Listen Now

Download MP3 [47 mins, 44Mb]

• DERI Galway
• Richard @ Freie Universität Berlin (via D2R)
• HP Labs Semantic Web Research
• Sindice Semantic Web search engine/API
• Giovanni Tummarello
• microformats, RDFa
• TagSoup liberal HTML parser
• foaf:knows
• Give yourself a URI, Cool URIs for the
  Semantic Web
• LinkingOpenDataW3C SWEO Community Project
• Chris Bizer
• DBpedia
• Joshua Tauberer
• rdfabout.com (including a billion-triples dataset of U.S. Census statistics)
• RKB Explorer
• Hugh Glaser @ Scientific Commons
• Linking Open Data mailing list, The Linking Open Data dataset cloud
• Linked Data (Tim Berners-Lee Design Issue note)
• RDF/XML, Turtle - Terse RDF Triple Language[see also : Why RDF is more than XML]
• Tabulator Semantic Web browser
• SPARQL
• last.fm
• W3C RDB2RDF Incubator Group
• D2RQ - Treating Non-RDF Databases as Virtual RDF Graphs
• Tim Berners-Lee podcast

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