Developing Feature Types for Classifying Clinical Notes Jon Patrick author Yitao Zhang author Yefeng Wang author 2007-06 text Biological, translational, and clinical language processing K Bretonnel Cohen editor Dina Demner-Fushman editor Carol Friedman editor Lynette Hirschman editor John Pestian editor Association for Computational Linguistics Prague, Czech Republic conference publication patrick-etal-2007-developing https://aclanthology.org/W07-1027/ 2007-06 191 192