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<Paper uid="W06-1642">
  <Title>Fully Automatic Lexicon Expansion for Domain-oriented Sentiment Analysis</Title>
  <Section position="9" start_page="362" end_page="362" type="concl">
    <SectionTitle>
7 Conclusion
</SectionTitle>
    <Paragraph position="0"> We proposed an unsupervised method to acquire polar atoms for domain-oriented SA, and demonstrated its high performance. The lexicon can be expanded automatically by using unannotated corpora, and tuning of the threshold values is not required. Therefore even end-users can use this approach to improve the sentiment analysis. These features allow them to do on-demand analysis of more narrow domains, such as the domain of digital 11Perhaps because cameras tend to consume battery power and some users don't need them.</Paragraph>
    <Paragraph position="1"> cameras of a specific manufacturer, or the domain of mobile phones from the female users' point of view.</Paragraph>
  </Section>
class="xml-element"></Paper>