Compositional Hyponymy with Positive Operators Martha Lewis author 2019-09 text Proceedings of the International Conference on Recent Advances in Natural Language Processing (RANLP 2019) Ruslan Mitkov editor Galia Angelova editor INCOMA Ltd. Varna, Bulgaria conference publication lewis-2019-compositional 10.26615/978-954-452-056-4_075 https://aclanthology.org/R19-1075/ 2019-09 638 647