Data exposed: Datasets containing RDF data converted from datasets published at http://data.gov (and other sources). The datasets are clustered by dc:subject, e.g. government budget, environmental statistics, housing and population statistics, medical cost, energy consumption, public library statistics, and labor statistics. Size of dump and data set: 5+ billion triples Notes: contact Jim Hendler] or [http://www.cs.rpi.edu/~dingl Li Ding .