Packing of Feature Structures for Efficient Unification of Disjunctive Feature Structures Yusuke Miyao author 1999-06 text Proceedings of the 37th Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics College Park, Maryland, USA conference publication miyao-1999-packing 10.3115/1034678.1034684 https://aclanthology.org/P99-1075/ 1999-06 579 584