Corpus-Based Identification of Non-Anaphoric Noun Phrases David L Bean author Ellen Riloff author 1999-06 text Proceedings of the 37th Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics College Park, Maryland, USA conference publication bean-riloff-1999-corpus 10.3115/1034678.1034737 https://aclanthology.org/P99-1048/ 1999-06 373 380