@InProceedings{agirre-EtAl:2013:*SEM1,
  author    = {Agirre, Eneko  and  Cer, Daniel  and  Diab, Mona  and  Gonzalez-Agirre, Aitor  and  Guo, Weiwei},
  title     = {*SEM 2013 shared task: Semantic Textual Similarity},
  booktitle = {Second Joint Conference on Lexical and Computational Semantics (*SEM), Volume 1: Proceedings of the Main Conference and the Shared Task: Semantic Textual Similarity},
  month     = {June},
  year      = {2013},
  address   = {Atlanta, Georgia, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {32--43},
  url       = {http://www.aclweb.org/anthology/S13-1004}
}