Introduction to the Special Issue on Computational Anaphora Resolution Ruslan Mitkov author Branimir Boguraev author Shalom Lappin author 2001 text journal article Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal mitkov-etal-2001-introduction 10.1162/089120101753342626 https://aclanthology.org/J01-4001/ 2001 27 4 473 477