Annotation of Chemical Named Entities Peter Corbett author Colin Batchelor author Simone Teufel 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 corbett-etal-2007-annotation https://aclanthology.org/W07-1008/ 2007-06 57 64