@InProceedings{pereztellez-EtAl:2011:WASSA2011,
  author    = {Perez-Tellez, Fernando  and  Pinto, David  and  Cardiff, John  and  Rosso, Paolo},
  title     = {On the Difficulty of Clustering Microblog Texts for Online Reputation Management},
  booktitle = {Proceedings of the 2nd Workshop on Computational Approaches to Subjectivity and Sentiment Analysis (WASSA 2.011)},
  month     = {June},
  year      = {2011},
  address   = {Portland, Oregon},
  publisher = {Association for Computational Linguistics},
  pages     = {146--152},
  url       = {http://www.aclweb.org/anthology/W11-1719}
}