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
R. Neßelrath, und M. Feld. Proceedings of the 10th International Conference on Intelligent Environments (IE-14), Shanghai, China, Seite 162--169. Los Alamitos, CA, IEEE Computer Society, (2014)