What Goes Around Comes Around: Learning Sentiments in Online Medical Forums
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Issue Date
2015-04-02
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Currently 19%-28% of Internet users participate in online health discussions. A 2011 survey of the US population estimated that 59% of all adults have looked online for information about health topics such as a specific disease or treatment. Although empirical evidence strongly supports the importance of emotions in health-related messages, there are few studies of the relationship between a subjective lan-guage and online discussions of personal health. In this work, we study sentiments expressed on online medical forums. As well as considering the predominant sentiments expressed in individual posts, we analyze sequences of sentiments in online discussions. Individual posts are classified into one of five categories. We identified three categories as sentimental (encouragement, gratitude, confusion) and two categories as neutral (facts, endorsement). 1438 messages from 130 threads were annotated manually by two annotators with a strong inter-annotator agreement (Fleiss kappa = 0.737 and 0.763 for posts in se-quence and separate posts respectively). The annotated posts were used to analyse sentiments in consec-utive posts. In four multi-class classification problems, we assessed HealthAffect, a domain-specific af-fective lexicon, as well general sentiment lexicons in their ability to represent messages in sentiment recognition.Citation
What Goes Around Comes Around: Learning Sentiments in Online Medical Forums 2015, 7 (5):609 Cognitive ComputationPublisher
SpringerJournal
Cognitive ComputationAdditional Links
http://link.springer.com/10.1007/s12559-015-9327-yType
Journal articleLanguage
enISSN
1866-9956ae974a485f413a2113503eed53cd6c53
10.1007/s12559-015-9327-y
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