Challenges of Evaluating Sentiment Analysis Tools on Social Media Diana Maynard author Kalina Bontcheva author 2016-05 text Proceedings of the Tenth International Conference on Language Resources and Evaluation (LREC’16) Nicoletta Calzolari editor Khalid Choukri editor Thierry Declerck editor Sara Goggi editor Marko Grobelnik editor Bente Maegaard editor Joseph Mariani editor Helene Mazo editor Asuncion Moreno editor Jan Odijk editor Stelios Piperidis editor European Language Resources Association (ELRA) Portorož, Slovenia conference publication maynard-bontcheva-2016-challenges https://aclanthology.org/L16-1182/ 2016-05 1142 1148