Recognising Nested Named Entities in Biomedical Text Beatrice Alex author Barry Haddow author Claire Grover 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 alex-etal-2007-recognising https://aclanthology.org/W07-1009/ 2007-06 65 72