Reference:
Tang, Duyu, Bing Qin, and Ting Liu. "Document modeling with gated recurrent neural network for sentiment classification."
Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing. 2015.
Zhang, Ye, and Byron Wallace. "A Sensitivity Analysis of (and Practitioners' Guide to) Convolutional Neural Networks for Sentence Classification."
arXiv preprint arXiv:1510.03820 (2015).
Kim, Yoon. "Convolutional neural networks for sentence classification."
arXiv preprint arXiv:1408.5882 (2014).