ConceptNet is a freely available commonsense knowledgebase and natural-language-processing toolkit which supports many practical textual-reasoning tasks over real-world documents right out-of-the-box (without additional statistical training) including
S. Lynden, I. Kojima, A. Matono, und Y. Tanimura. Databases in Networked Information Systems: 6th International Workshop, DNIS 2010, Aizu-Wakamatsu, Japan, (2010)