Dependency Tree Kernels for Relation Extraction Aron Culotta author Jeffrey Sorensen author 2004-07 text Proceedings of the 42nd Annual Meeting of the Association for Computational Linguistics (ACL-04) Barcelona, Spain conference publication culotta-sorensen-2004-dependency 10.3115/1218955.1219009 https://aclanthology.org/P04-1054/ 2004-07 423 429