@conference {455, title = {A Joint Model of Feature Mining and Sentiment Analysis for Product Review Rating}, booktitle = {Proceedings of the 33rd European Conference on Information Retrieval (ECIR 2011)}, year = {2011}, attachments = {http://nil.fdi.ucm.es/sites/default/files/paper.pdf}, author = {Carrillo de Albornoz, Jorge and Plaza, Laura and Pablo Gerv{\'a}s and D{\'\i}az, Alberto} }