Learning a Compositional Semantics for Freebase with an Open Predicate Vocabulary Jayant Krishnamurthy author Tom M Mitchell author 2015 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal krishnamurthy-mitchell-2015-learning 10.1162/tacl_a_00137 https://aclanthology.org/Q15-1019/ 2015 3 257 270