ECNU: Effective Semantic Relations Classification without Complicated Features or Multiple External Corpora Yuan Chen author Man Lan author Jian Su author Zhi Min Zhou author Yu Xu author 2010-07 text Proceedings of the 5th International Workshop on Semantic Evaluation Katrin Erk editor Carlo Strapparava editor Association for Computational Linguistics Uppsala, Sweden conference publication chen-etal-2010-ecnu https://aclanthology.org/S10-1050/ 2010-07 226 229