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. Kontchakov, M. Rodríguez-Muro, и M. Zakharyaschev. Reasoning Web: Semantic Technologies for Intelligent Data Access, том 8067 из Lecture Notes in Computer Science, Springer, Heidelberg, (2013)
A. Turhan. Reasoning Web: Semantic Technologies for Intelligent Data Access, том 8067 из Lecture Notes in Computer Science, Springer, Heidelberg, (2013)
A. Polleres, A. Hogan, R. Delbru, и J. Umbrich. Reasoning Web: Semantic Technologies for Intelligent Data Access, том 8067 из Lecture Notes in Computer Science, Springer, Heidelberg, (2013)