Document Level Novelty Detection: Textual Entailment Lends a Helping Hand Tanik Saikh author Tirthankar Ghosal author Asif Ekbal author Pushpak Bhattacharyya 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 saikh-etal-2017-document https://aclanthology.org/W17-7517/ 2017-12 131 140