A Variational Approach to Weakly Supervised Document-Level Multi-Aspect Sentiment Classification Ziqian Zeng author Wenxuan Zhou author Xin Liu author Yangqiu Song author 2019-06 text Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Volume 1 (Long and Short Papers) Jill Burstein editor Christy Doran editor Thamar Solorio editor Association for Computational Linguistics Minneapolis, Minnesota conference publication zeng-etal-2019-variational 10.18653/v1/N19-1036 https://aclanthology.org/N19-1036/ 2019-06 386 396