Recognizing Nested Named Entities in GENIA corpus Baohua Gu author 2006-06 text Proceedings of the HLT-NAACL BioNLP Workshop on Linking Natural Language and Biology Karin Verspoor editor Kevin Bretonnel Cohen editor Ben Goertzel editor Inderjeet Mani editor Association for Computational Linguistics New York, New York conference publication gu-2006-recognizing https://aclanthology.org/W06-3318/ 2006-06 112 113