A. Carlson, J. Betteridge, R. Wang, E. Jr., and T. Mitchell. WSDM '10: Proceedings of the third ACM international conference on Web search and data mining, page 101--110. New York, NY, USA, ACM, (2010)
K. Cohen, L. Fox, P. Ogren, and L. Hunter. Proceedings of the ACL-ISMB Workshop on Linking Biological Literature, Ontologies and Databases: Mining Biological Semantics, page 38--45. Detroit, Association for Computational Linguistics, (June 2005)
N. Collier, C. Nobata, and J. ichi Tsujii. Proceedings of the 18th conference on Computational linguistics, page 201--207. Morristown, NJ, USA, Association for Computational Linguistics, (2000)
D. Demner-fushman, and J. Lin. Proceedings of the 21st International Conference on Computational Linguistics and the 44th annual meeting of the ACL, page 841--848. (2006)