José Saias
2017
ej-sa-2017 at SemEval-2017 Task 4: Experiments for Target oriented Sentiment Analysis in Twitter
Enkhzol Dovdon | José Saias
Proceedings of the 11th International Workshop on Semantic Evaluation (SemEval-2017)
Enkhzol Dovdon | José Saias
Proceedings of the 11th International Workshop on Semantic Evaluation (SemEval-2017)
This paper describes the system we have used for participating in Subtasks A (Message Polarity Classification) and B (Topic-Based Message Polarity Classification according to a two-point scale) of SemEval-2017 Task 4 Sentiment Analysis in Twitter. We used several features with a sentiment lexicon and NLP techniques, Maximum Entropy as a classifier for our system.
2015
Sentiue: Target and Aspect based Sentiment Analysis in SemEval-2015 Task 12
José Saias
Proceedings of the 9th International Workshop on Semantic Evaluation (SemEval 2015)
José Saias
Proceedings of the 9th International Workshop on Semantic Evaluation (SemEval 2015)
2014
Senti.ue: Tweet Overall Sentiment Classification Approach for SemEval-2014 Task 9
José Saias
Proceedings of the 8th International Workshop on Semantic Evaluation (SemEval 2014)
José Saias
Proceedings of the 8th International Workshop on Semantic Evaluation (SemEval 2014)
2013
senti.ue-en: an approach for informally written short texts in SemEval-2013 Sentiment Analysis task
José Saias | Hilário Fernandes
Second Joint Conference on Lexical and Computational Semantics (*SEM), Volume 2: Proceedings of the Seventh International Workshop on Semantic Evaluation (SemEval 2013)
José Saias | Hilário Fernandes
Second Joint Conference on Lexical and Computational Semantics (*SEM), Volume 2: Proceedings of the Seventh International Workshop on Semantic Evaluation (SemEval 2013)