Managing Keyword Variation with Frequency Based Generation of Word Forms in IR Kimmo Kettunen author 2007-05 text Proceedings of the 16th Nordic Conference of Computational Linguistics (NODALIDA 2007) Joakim Nivre editor Heiki-Jaan Kaalep editor Kadri Muischnek editor Mare Koit editor University of Tartu, Estonia Tartu, Estonia conference publication kettunen-2007-managing https://aclanthology.org/W07-2450/ 2007-05 318 323