Identifying Perspectives at the Document and Sentence Levels Using Statistical Models Wei-Hao Lin author 2006-06 text Proceedings of the Human Language Technology Conference of the NAACL, Companion Volume: Doctoral Consortium Matt Huenerfauth editor Bo Pang editor Mitch Marcus editor Association for Computational Linguistics New York City, USA conference publication lin-2006-identifying https://aclanthology.org/N06-3005/ 2006-06 227 230