Sentiment analysis opinion mining opinion extraction sentiment mining subjectivity analysis affect analysis emotion analysis review mining etc however they are now all under the umbrella of sentiment analysis or sentiment analysis and opinion mining mainly focuses on opinions. Sentiment analysis essentials bing liu department of computer science university of illinois at chicago liubcsuicedu sentiment analysis mining opinions sentiments and emotions bing liu shenzhen december 6 2014 2 introduction sentiment analysis sa or opinion mining. Have known sentiment analysis as a task of mining opinions expressed in text and analyzing the entailed sentiments and emotions so far the task is still vaguely defined in the research literature because it involves many overlapping concepts and sub tasks. Sentiment analysis is a field that is growing rapidly mostly because of the huge data available in the social networks that make possible many applications to provide information to business government and media about the peoples opinions sentiments and emotions. This book not only presents the main sub tasks of sentiment analysis such as sentiment classification at different discourse levels opinion summarization opinion search and emotion identification but also covers many emerging sentiment related topics such as sentiment analysis of debates and discussions mining of intentions and
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