Sentiment Classification with Graph Co-Regularization Guangyou Zhou author Jun Zhao author Daojian Zeng author 2014-08 text Proceedings of COLING 2014, the 25th International Conference on Computational Linguistics: Technical Papers Junichi Tsujii editor Jan Hajic editor Dublin City University and Association for Computational Linguistics Dublin, Ireland conference publication zhou-etal-2014-sentiment https://aclanthology.org/C14-1126/ 2014-08 1331 1340