Answering Opinion Questions with Random Walks on Graphs Fangtao Li author Yang Tang author Minlie Huang author Xiaoyan Zhu author 2009-08 text Proceedings of the Joint Conference of the 47th Annual Meeting of the ACL and the 4th International Joint Conference on Natural Language Processing of the AFNLP Keh-Yih Su editor Jian Su editor Janyce Wiebe editor Haizhou Li editor Association for Computational Linguistics Suntec, Singapore conference publication li-etal-2009-answering https://aclanthology.org/P09-1083/ 2009-08 737 745