A* CCG Parsing with a Supertag and Dependency Factored Model
Masashi Yoshikawa, Hiroshi Noji, Yūji Matsumoto · 2017
We propose a new A* CCG parsing model in which the probability of a tree is decomposed into factors of CCG categories and its syntactic dependencies both defined on bi-directional LSTMs.Our factored model allows the precomputation of all probabilities and runs very efficiently, while modeling sentence structures explicitly via dependencies.Our model achieves the stateof-the-art results on English and Japanese CCG parsing. 1