A Model-Theoretic Coreference Scoring Scheme Marc Vilain author John Burger author John Aberdeen author Dennis Connolly author Lynette Hirschman author 1995 text Sixth Message Understanding Conference (MUC-6): Proceedings of a Conference Held in Columbia, Maryland, November 6-8, 1995 conference publication vilain-etal-1995-model https://aclanthology.org/M95-1005/ 1995