Acquisition, Representation and Usage of Conceptual Hierarchies Marius Pasca author 2017-09 text Proceedings of the 2017 Conference on Empirical Methods in Natural Language Processing: Tutorial Abstracts Alexandra Birch editor Nathan Schneider editor Association for Computational Linguistics Copenhagen, Denmark conference publication pasca-2017-acquisition https://aclanthology.org/D17-3001/ 2017-09