Learning to Extract Biological Event and Relation Graphs Jari Björne author Filip Ginter author Juho Heimonen author Sampo Pyysalo author Tapio Salakoski author 2009-05 text Proceedings of the 17th Nordic Conference of Computational Linguistics (NODALIDA 2009) Kristiina Jokinen editor Eckhard Bick editor Northern European Association for Language Technology (NEALT) Odense, Denmark conference publication bjorne-etal-2009-learning https://aclanthology.org/W09-4605/ 2009-05 18 25