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Licence: Strictly for Non-Commercial Use under the Backstage Licence. Offered to Backstage with permission of OpenLink Virtuoso.
Description: The combined /programmes and /music data is in a RDF store
Status: Stable for 6 months (end of 2009)
Type: SPARQL Queries

The Virtuoso hosted data can be found and queried via http://bbc.openlinksw.com/sparql. In addition, the OpenLink provided Linked Data space offers a faceted browser interface, engine, and REST API, alongside a collection of sample queries.
The query page will help you test OpenLink Virtuoso SPARQL protocol endpoint, but you should read the Virtuoso Wiki page which describes the service, Online Virtuoso Documentation and RDF Database and SPARQL overview.

Please read this blog post for much more information - http://welcomebackstage.com/2009/06/bbc-backstage-sparql-endpoint/ and if your more interested in what SPARQL is and how it relates to other technologies, there's a good overview on xml.com - http://www.xml.com/pub/a/2005/11/16/introducing-sparql-querying-semantic...