Towards modeling the semantics of calendar expressions as extended regular expressions Jyrki Niemi author Lauri Carlson author 2006-05 text Proceedings of the 15th Nordic Conference of Computational Linguistics (NODALIDA 2005) Stefan Werner editor University of Joensuu, Finland Joensuu, Finland conference publication niemi-carlson-2006-towards https://aclanthology.org/W05-1719/ 2006-05 133 138