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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,... -
Didactalia, índice de recursos educativos para profesores, padres y alumnos (...
Didactalia.net is a K-12 global community and an storage place for teachers, students and parents to create, share and find open educational resources that has currently more...