A Unified Graph Model for Sentence-Based Opinion Retrieval Binyang Li author Lanjun Zhou author Shi Feng author Kam-Fai Wong author 2010-07 text Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics Jan Hajič editor Sandra Carberry editor Stephen Clark editor Joakim Nivre editor Association for Computational Linguistics Uppsala, Sweden conference publication li-etal-2010-unified https://aclanthology.org/P10-1139/ 2010-07 1367 1375