Unsupervised Methods for Determining Object and Relation Synonyms on the Web.

Alexander Yates Oren Etzioni Unsupervised Methods for Determining Object and Relation Synonyms on the Web. 255-296 2009 34 J. Artif. Intell. Res. (JAIR) http://jair.org/papers/paper2772.html db/journals/jair/jair34.html#YatesE09