Negation Naive Bayes for Categorization of Product Pages on the Web Kanako Komiya author Naoto Sato author Koji Fujimoto author Yoshiyuki Kotani author 2011-09 text Proceedings of the International Conference Recent Advances in Natural Language Processing 2011 Ruslan Mitkov editor Galia Angelova editor Association for Computational Linguistics Hissar, Bulgaria conference publication komiya-etal-2011-negation https://aclanthology.org/R11-1083/ 2011-09 586 591