@inproceedings(2014-sentiment-analysis-in-twitter-for-spanish,
  author = {Ferran Pla Santamaría and Lluís Felip Hurtado Oliver},
  title = {Sentiment Analysis in Twitter for Spanish},
  year = {2014},
  booktitle = {International Conference on Application of Natural Language to Information Systems (NLDB)},
  address = {Montpellier, France},
  pages = {208-213}
)