Simple Open Stance Classification for Rumour Analysis Ahmet Aker author Leon Derczynski author Kalina Bontcheva author 2017-09 text Proceedings of the International Conference Recent Advances in Natural Language Processing, RANLP 2017 Ruslan Mitkov editor Galia Angelova editor INCOMA Ltd. Varna, Bulgaria conference publication aker-etal-2017-simple 10.26615/978-954-452-049-6_005 https://aclanthology.org/R17-1005/ 2017-09 31 39