The Bag-of-Opinions Method for Review Rating Prediction from Sparse Text Patterns Lizhen Qu author Georgiana Ifrim author Gerhard Weikum author 2010-08 text Proceedings of the 23rd International Conference on Computational Linguistics (Coling 2010) Chu-Ren Huang editor Dan Jurafsky editor Coling 2010 Organizing Committee Beijing, China conference publication qu-etal-2010-bag https://aclanthology.org/C10-1103/ 2010-08 913 921