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EARTh
The Environmental Applications Reference Thesaurus (EARTh) has been compiled and is maintained by the CNR-IIA-EKOLab to facilitate the indexing, retrieval, harmonizing and... -
2000 U.S. Census in RDF (rdfabout.com)
2000 U.S. Census converted into over a billion RDF triples. Population statistics at various geographic levels, from the U.S. as a whole, down through states, counties,...