Knowing the Unseen: Estimating Vocabulary Size over Unseen Samples Suma Bhat author Richard Sproat author 2009-08 text Proceedings of the Joint Conference of the 47th Annual Meeting of the ACL and the 4th International Joint Conference on Natural Language Processing of the AFNLP Keh-Yih Su editor Jian Su editor Janyce Wiebe editor Haizhou Li editor Association for Computational Linguistics Suntec, Singapore conference publication bhat-sproat-2009-knowing https://aclanthology.org/P09-1013/ 2009-08 109 117