@inproceedings(2014-political-tendency-identification-in-twitter-using-sentiment-analysis-techniques,
  author = {Ferran Pla Santamaría and Lluís Felip Hurtado Oliver},
  title = {Political Tendency Identification in Twitter using Sentiment Analysis Techniques},
  year = {2014},
  booktitle = {International Conference on Computational Linguistics (COLING)},
  address = {Dublin, Ireland},
  pages = {183-192}
)