Sears (sears.com) has GoodRelations markup in all > 15,000,000 item pages

Description Conversion of various NASA datasets into RDF, starting with the spacecraft data from the NSSDC master catalog. This dataset consists of a conversion of the NASA...

Linked Life Data is aggregation of more than 25 popular biomedical data sources. DOWNLOADS http://linkedlifedata.com/sources SPARQL http://linkedlifedata.com/sparql