Lemmatization of Polish Person Names Jakub Piskorski author Marcin Sydow author Anna Kupść author 2007-06 text Proceedings of the Workshop on Balto-Slavonic Natural Language Processing Jakub Piskorski editor Hristo Tanev editor Association for Computational Linguistics Prague, Czech Republic conference publication piskorski-etal-2007-lemmatization https://aclanthology.org/W07-1704/ 2007-06 27 34