Composite Kernels For Relation Extraction Frank Reichartz author Hannes Korte author Gerhard Paass author 2009-08 text Proceedings of the ACL-IJCNLP 2009 Conference Short Papers Keh-Yih Su editor Jian Su editor Janyce Wiebe editor Haizhou Li editor Association for Computational Linguistics Suntec, Singapore conference publication reichartz-etal-2009-composite https://aclanthology.org/P09-2092/ 2009-08 365 368