Assessing the Challenge of Fine-Grained Named Entity Recognition and Classification Asif Ekbal author Eva Sourjikova author Anette Frank author Simone Paolo Ponzetto author 2010-07 text Proceedings of the 2010 Named Entities Workshop A Kumaran editor Haizhou Li editor Association for Computational Linguistics Uppsala, Sweden conference publication ekbal-etal-2010-assessing https://aclanthology.org/W10-2415/ 2010-07 93 101