Visualization for Coreference Annotation Andre Burkovski author Gunther Heidemann author 2011-09 text Proceedings of the International Conference Recent Advances in Natural Language Processing 2011 Ruslan Mitkov editor Galia Angelova editor Association for Computational Linguistics Hissar, Bulgaria conference publication burkovski-heidemann-2011-visualization https://aclanthology.org/R11-1100/ 2011-09 692 697