@conference {Marques-Lucena_Catarina_:2014,
	title = {Framework for Customers\&rsquo; Sentiment Analysis},
	series = {Advances in Intelligent Systems and Computing},
	year = {2014},
	note = {n/a},
	month = {Jan},
	pages = {849-860},
	type = {Peer reviewed},
	abstract = {n/a},
	author = {Marques-Lucena Catarina and Sarraipa Jo{\~a}o and Fonseca Joaquim and Grilo Ant{\'o}nio and Jardim-Gon{\c c}alves Ricardo}
}
