1. 1. Akshat Bakliwal, Piyush Arora, and Vasudeva Varma. 2012. Hindi subjective lexicon: A lexical resource for Hindi polarity classification. In Proceedings of International Conference on Language Resources and Evaluation.
   2. Dong L, Wei F, Tan C, Tang D, Zhou M, and Xu K. Adaptive recursive neural network for target-dependent Twitter sentiment classification. In Proceedings of the Annual Meeting of the Association for Computational Linguistics (ACL 2014), 2014.
   3. Mishra A, Dey K, Bhattacharyya P. Learning cognitive features from gaze data for sentiment and sarcasm classification using convolutional neural network. In Proceedings of the Annual Meeting of the Association for Computational Linguistics (ACL 2017), 2017.
   4.  Yu J, Jiang J. Learning sentence embeddings with auxiliary tasks for cross-domain sentiment classification. In Proceedings of the Conference on Empirical Methods in Natural Language Processing (EMNLP 2016), 2016.
   5.  Zhao Z, Lu H, Cai D, He X, Zhuang Y. Microblog sentiment classification via recurrent random walk network learning. In Proceedings of the Internal Joint Conference on Artificial Intelligence (IJCAI 2017), 2017.