*SEM 2013 shared task: Semantic Textual Similarity Eneko Agirre author Daniel Cer author Mona Diab author Aitor Gonzalez-Agirre author Weiwei Guo author 2013-06 text Second Joint Conference on Lexical and Computational Semantics (*SEM), Volume 1: Proceedings of the Main Conference and the Shared Task: Semantic Textual Similarity Mona Diab editor Tim Baldwin editor Marco Baroni editor Association for Computational Linguistics Atlanta, Georgia, USA conference publication agirre-etal-2013-sem https://aclanthology.org/S13-1004/ 2013-06 32 43