Negation scope and spelling variation for text-mining of Danish electronic patient records Cecilia Engel Thomas author Peter Bjødstrup Jensen author Thomas Werge author Søren Brunak author 2014-04 text Proceedings of the 5th International Workshop on Health Text Mining and Information Analysis (Louhi) Sumithra Velupillai editor Martin Duneld editor Maria Kvist editor Hercules Dalianis editor Maria Skeppstedt editor Aron Henriksson editor Association for Computational Linguistics Gothenburg, Sweden conference publication engel-thomas-etal-2014-negation 10.3115/v1/W14-1109 https://aclanthology.org/W14-1109/ 2014-04 64 68