@InProceedings{pennacchiotti-popescu:2010:SOCIAL,
  author    = {Pennacchiotti, Marco  and  Popescu, Ana-Maria},
  title     = {Detecting controversies in Twitter: a first study},
  booktitle = {Proceedings of the NAACL HLT 2010 Workshop on Computational Linguistics in a World of Social Media},
  month     = {June},
  year      = {2010},
  address   = {Los Angeles, California, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {31--32},
  url       = {http://www.aclweb.org/anthology/W10-0516}
}