@InProceedings{jimenezzafra-EtAl:2015:EMNLP,
  author    = {Jim\'{e}nez-Zafra, Salud M.  and  Berardi, Giacomo  and  Esuli, Andrea  and  Marcheggiani, Diego  and  Mart\'{i}n-Valdivia, Mar\'{i}a Teresa  and  Moreo Fern\'{a}ndez, Alejandro},
  title     = {A Multi-lingual Annotated Dataset for Aspect-Oriented Opinion Mining},
  booktitle = {Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing},
  month     = {September},
  year      = {2015},
  address   = {Lisbon, Portugal},
  publisher = {Association for Computational Linguistics},
  pages     = {2533--2538},
  url       = {https://aclweb.org/anthology/D/D15/D15-1302}
}