Constraint Projection: An Efficient Treatment of Disjunctive Feature Descriptions Mikio Nakano author 1991-06 text 29th Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics Berkeley, California, USA conference publication nakano-1991-constraint 10.3115/981344.981384 https://aclanthology.org/P91-1040/ 1991-06 307 314