Screencast: Use Rails and RDF.rb to parse Best Buy product reviews

Posted by Eric Kidd Sun, 05 Jun 2011 19:07:00 GMT

In the past few years, many companies have been embedding machine-readable metadata in their web pages. Among these is Best Buy, which provides extensive RDFa data describing their products, prices and user reviews.

The following 20-minute screencast shows how to use Ruby 1.9.2, Rails 3.1rc1, RDF.rb and my rdf-agraph gem to compare user ratings of the iPad and various Android Honeycomb tablets.

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