Measuring Contextual Fitness Using Error Contexts Extracted from the Wikipedia Revision History Torsten Zesch author 2012-04 text Proceedings of the 13th Conference of the European Chapter of the Association for Computational Linguistics Walter Daelemans editor Association for Computational Linguistics Avignon, France conference publication zesch-2012-measuring https://aclanthology.org/E12-1054/ 2012-04 529 538