Data exposed: 45 different domains, each with a separate data set. The data sets are focused on scientific research; these include DBLP, Citeseer, CORDIS, NSF, EPSRC, RAE2001, KISTI, UNLOCODE, Wordnet, voiD, OS, OAI.
Size of dump and data set: ~150 million triples.
The data is available as Linked Data, SPARQL endpoint and RDF dumps, and a simple browser is provided.
Semantic Web Sitemaps and voiD descriptions provided.
Index of the datasets is at http://www.rkbexplorer.com/data.
Dumps can be found by for example http://dotac.rkbexplorer.com/sitemap.xml.