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  • dbonesso@inf.ufrgs.br thinks this is interesting:

Hu and Liu (2004) developed a feature-based opinion summarization system that mines and summarizes all the customer reviews of a product. This system differs from other text summarization systems in number of ways. It mines only the features of the product that customers have expressed their opinions on and the summary generated is structured rather than a free text document as generated by other text summarization systems. The summarization is performed by the system in three steps: (1) Finding the features on which the customers have expressed their opinions. (2) Identifying opinion sentences in each review and analyzing the polarity of the sentence (3) Producing a summary.