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Thelwall, M.; Buckley, K.; Paltoglou, G.: Sentiment in Twitter events (2011)
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Thelwall, M.; Buckley, K.; Paltoglou, G.; Cai, D.; Kappas, A.: Sentiment strength detection in short informal text (2010)
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Thelwall, M.; Buckley, K.; Paltoglou, G.: Sentiment strength detection for the social web (2012)
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