A Study on the Semantic Relatedness of Query and Document Terms in Information Retrieval Christof Müller author Iryna Gurevych author 2009-08 text Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing Philipp Koehn editor Rada Mihalcea editor Association for Computational Linguistics Singapore conference publication muller-gurevych-2009-study https://aclanthology.org/D09-1139/ 2009-08 1338 1347