Static Relations: a Piece in the Biomedical Information Extraction Puzzle Sampo Pyysalo author Tomoko Ohta author Jin-Dong Kim author Jun’ichi Tsujii author 2009-06 text Proceedings of the BioNLP 2009 Workshop K Bretonnel Cohen editor Dina Demner-Fushman editor Sophia Ananiadou editor John Pestian editor Jun’ichi Tsujii editor Bonnie Webber editor Association for Computational Linguistics Boulder, Colorado conference publication pyysalo-etal-2009-static https://aclanthology.org/W09-1301/ 2009-06 1 9