ConceptNet aims to give computers access to common-sense knowledge, the kind of information that ordinary people know but usually leave unstated.
The data in ConceptNet is collected from ordinary people who contributed it over the Web. ConceptNet represents this data in the form of a semantic network, and makes it available to be used in natural language processing and intelligent user interfaces.
This Android widget allows you to take part in this adventure and collaborate at making computers smarter by voting over million of concepts already available on the database.
If you're interested in ConceptNet, please join the conceptnet-users Google group: http://groups.google.com/group/conceptnet-users?hl=en