Generalized chart constraints for efficient PCFG and TAG parsing

ACL 2018 Stefan GrünewaldSophie HenningAlexander Koller

Chart constraints, which specify at which string positions a constituent may begin or end, have been shown to speed up chart parsers for PCFGs. We generalize chart constraints to more expressive grammar formalisms and describe a neural tagger which predicts chart constraints at very high precision... (read more)

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