@inproceedings {conf/data/VakaliCKA13,
	title = {Social Data Sentiment Analysis in Smart Environments - Extending Dual Polarities for Crowd Pulse Capturing},
	booktitle = {DATA},
	year = {2013},
	pages = {175-182},
	publisher = {SciTePress},
	organization = {SciTePress},
	isbn = {978-989-8565-67-9},
	author = {Athena Vakali and Despoina Chatzakou and Vassiliki A. Koutsonikola and Andreadis, George},
	editor = {Helfert, Markus and Francalanci, Chiara and Filipe, Joaquim}
}