Robert Leaman Graciela Gonzalez BANNER: An Executable Survey of Advances in Biomedical Named Entity Recognition. 652-663 2008 Pacific Symposium on Biocomputing http://psb.stanford.edu/psb-online/proceedings/psb08/leaman.pdf conf/psb/2008 db/conf/psb/psb2008.html#LeamanG08