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Freebase
Description "Freebase is an open database of the world?s information. It is built by the community and for the community?free for anyone to query, contribute to, built... -
OpenCyc
About Now it is even easier to use the rich and diverse collection of real-world concepts in OpenCyc to bring meaning to your semantic web applications! The full OpenCyc... -
Neurocommons text mining pilot
About The complete dataset is composed of a set of smaller datasets. Each download is in one of two formats: (1) WARC or (2) tar.gz. You can read about the WARC format by... -
MeSH pairs
Data exposed: NLM 2007 MeSH descriptor/qualifier pairs Size of dump and data set: 13 MB Openness: OPEN See http://www.nlm.nih.gov/mesh/termscon.html (basically attribution with...