Using Non-Lexical Features to Identify Effective Indexing Terms for Biomedical Illustrations Matthew Simpson author Dina Demner-Fushman author Charles Sneiderman author Sameer K Antani author George R Thoma author 2009-03 text Proceedings of the 12th Conference of the European Chapter of the ACL (EACL 2009) Alex Lascarides editor Claire Gardent editor Joakim Nivre editor Association for Computational Linguistics Athens, Greece conference publication simpson-etal-2009-using https://aclanthology.org/E09-1084/ 2009-03 737 744