@InProceedings{balahur-EtAl:2010:POSTERS,
  author    = {Balahur, Alexandra  and  Boldrini, Ester  and  Montoyo, Andr\'{e}s  and  Mart\'{i}nez-Barco, Patricio},
  title     = {Going Beyond Traditional QA Systems: Challenges and Keys in Opinion Question Answering},
  booktitle = {Coling 2010: Posters},
  month     = {August},
  year      = {2010},
  address   = {Beijing, China},
  publisher = {Coling 2010 Organizing Committee},
  pages     = {27--35},
  url       = {http://www.aclweb.org/anthology/C10-2004}
}