The Influence of Text Pre-processing on Plagiarism Detection Zdenek Ceska author Chris Fox author 2009-09 text Proceedings of the International Conference RANLP-2009 Galia Angelova editor Ruslan Mitkov editor Association for Computational Linguistics Borovets, Bulgaria conference publication ceska-fox-2009-influence https://aclanthology.org/R09-1011/ 2009-09 55 59