OpenCyc is the open source version of the Cyc technology, the world's largest and most complete general knowledge base and commonsense reasoning engine. OpenCyc can be used as the basis for a wide variety of intelligent applications.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
Includes 9,000 commonsense terms having 100,000 facts relating them, and the interface to browse/edit them. You can teach new facts/rules to OpenCyc and ask it questions coded in CycL, its logical language.
