Investigating how well contextual features are captured by bi-directional recurrent neural network models Kushal Chawla author Sunil Kumar Sahu author Ashish Anand author 2017-12 text Proceedings of the 14th International Conference on Natural Language Processing (ICON-2017) Sivaji Bandyopadhyay editor NLP Association of India Kolkata, India conference publication chawla-etal-2017-investigating https://aclanthology.org/W17-7534/ 2017-12 273 282