@conference{pontiki2015semeval,
author = "Pontiki, Maria and Papageorgiou, Harris and Galanis, Dimitris and Suresh Manandhar and Ion Androutsopoulos",
booktitle = "Proceedings of the 9th International Workshop on Semantic Evaluation (SemEval 2015)",
pages = "486--495",
title = "{S}emeval-2015 task 12: {A}spect based sentiment analysis ",
year = "2015",
}