@article{basile2014overview,
  title={Overview of the Evalita 2014 SENTIment POLarity Classification Task},
  author={Basile, Valerio and Bolioli, Andrea and Nissim, Malvina and Patti, Viviana and Rosso, Paolo},
  journal={Proceedings of the 4th evaluation campaign of Natural Language Processing and Speech tools for Italian (EVALITA'14)},
  year={2014}
}