Hybrid Deep Belief Networks for Semi-supervised Sentiment Classification Shusen Zhou author Qingcai Chen author Xiaolong Wang author Xiaoling Li 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-hybrid https://aclanthology.org/C14-1127/ 2014-08 1341 1349