@inproceedings{rentoumi-etal-2010-united, title = "United we Stand: Improving Sentiment Analysis by Joining Machine Learning and Rule Based Methods", author = "Rentoumi, Vassiliki and Petrakis, Stefanos and Klenner, Manfred and Vouros, George A. and Karkaletsis, Vangelis", editor = "Calzolari, Nicoletta and Choukri, Khalid and Maegaard, Bente and Mariani, Joseph and Odijk, Jan and Piperidis, Stelios and Rosner, Mike and Tapias, Daniel", booktitle = "Proceedings of the Seventh International Conference on Language Resources and Evaluation ({LREC}`10)", month = may, year = "2010", address = "Valletta, Malta", publisher = "European Language Resources Association (ELRA)", url = "https://aclanthology.org/L10-1020/" }