OPINE: Extracting Product Features and Opinions from Reviews Ana-Maria Popescu author Bao Nguyen author Oren Etzioni author 2005-10 text Proceedings of HLT/EMNLP 2005 Interactive Demonstrations Donna Byron editor Anand Venkataraman editor Dell Zhang editor Association for Computational Linguistics Vancouver, British Columbia, Canada conference publication popescu-etal-2005-opine https://aclanthology.org/H05-2017/ 2005-10 32 33