Use of unsupervised word classes for entity recognition: Application to the detection of disorders in clinical reports Maria Evangelia Chatzimina author Cyril Grouin author Pierre Zweigenbaum author 2014-05 text Proceedings of the Ninth International Conference on Language Resources and Evaluation (LREC’14) Nicoletta Calzolari editor Khalid Choukri editor Thierry Declerck editor Hrafn Loftsson editor Bente Maegaard editor Joseph Mariani editor Asuncion Moreno editor Jan Odijk editor Stelios Piperidis editor European Language Resources Association (ELRA) Reykjavik, Iceland conference publication chatzimina-etal-2014-use https://aclanthology.org/L14-1336/ 2014-05 3264 3271