%0 Conference Proceedings %T Horn Extended Feature Structures: Fast Unification With Negation and Limited Disjunction %A Hegner, Stephen J. %Y Kunze, Jürgen %Y Reimann, Dorothee %S Fifth Conference of the European Chapter of the Association for Computational Linguistics %D 1991 %8 April %I Association for Computational Linguistics %C Berlin, Germany %F hegner-1991-horn %U https://aclanthology.org/E91-1007