A data dump of all the current facts and assertions in the Freebase system.
Freebase is an open database of the worlds information, covering millions of topics in hundreds of categories. Drawing from large open data sets like Wikipedia, MusicBrainz, and the SEC archi …
The Freebase Wikipedia Extraction (WEX) is a processed dump of the English language Wikipedia. The wiki markup for each article is transformed into machine-readable XML, and common relational features such as templates, infoboxes, categories, article sections, and redirects are extracted intabul …
DBpedia is a community effort to extract structured information from Wikipedia and to make this information available on the Web. The DBpedia knowledge base currently describes more than 2.6 million things, including at least 213,000 persons, 328,000 places, 57,000 music albums, 36,000 films, 20,0 …
From the front page:
> “DBpedia.org is a community effort to extract structured information from Wikipedia and to make this information available on the Web. DBpedia allows you to ask sophisticated queries against Wikipedia and to link other datasets on the Web to Wikipedia data.”
Contributions to Citizendium from Wikipedia are licenced under the GFDL.
Geolocations for wikipedia articles.