Unsupervised Discrimination and Labeling of Ambiguous Names Anagha Kulkarni author 2005-06 text Proceedings of the ACL Student Research Workshop Chris Callison-Burch editor Stephen Wan editor Association for Computational Linguistics Ann Arbor, Michigan conference publication kulkarni-2005-unsupervised https://aclanthology.org/P05-2025/ 2005-06 145 150