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Proceedings of the 2006 Conference on Empirical Methods in Natural Language Processing - EMNLP '06
Ranking documents or sentences according to both topic and sentiment relevance should serve a critical function in helping users when topics and sentiment polarities of the targeted text are not explicitly given, as is often the case on the web. In this paper, we propose several sentiment information retrieval models in the framework of probabilistic language models, assuming that a user both inputs query terms expressing a certain topic and also specifies a sentiment polarity of interest indoi:10.3115/1610075.1610124 fatcat:psaeo63jmnd5hmd7ik33jdiaym