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Hatzivassiloglou et al. 1997
2000
Turney 2002
Pang et al. 2002
AAAI spring symposium 2004
2006
ACL workshop 2006
hot topic !
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Agenda

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29
????????????????????????

• Kamps et al. 2004
• ????????????????????
• WordNet ????synonymy
• good,bad???????

Kamps et al. 2004 Jaap Kamps, Maarten Marx,
Robert J. Mokken and Maarten de Rijke. Using
WordNet to Measure Semantic Orientations of
Adjectives. LREC2004.
30
?????????

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31
????????????????????

• Turney 2002
• ??(??)??????????(??)?????????
• ?????????????
• excellent,poor????????????

Turney 2002 Peter D. Turney. Thumbs up? thumbs
down? semantic orientation applied to
unsupervised classification of reviews. ACL2002.
32
?????????

• Kamps et al. 2004
• ?????
• WordNet?????????
• Turney 2002
• ????????????,???
• ????????????????????

???????
33
?????????

• Hatzivassiloglou et al. 1997 Vasileios
  Hatzivassiloglou and Kathleen R. McKeown.
  Predicting the Semantic Orientation of
  Adjectives. ACL1997.
• ?????????? ??? ????

34
?????????

• Hatzivassiloglou et al. 1997 Vasileios
  Hatzivassiloglou and Kathleen R. McKeown.
  Predicting the Semantic Orientation of
  Adjectives. ACL1997.
• ?????????? ??? ????
• ???? 2004??? ??, ?? ?. ??????????????????????.
  ???????????????(NL-162-16), 2004.
• ?????????????

35
?????????

• Hatzivassiloglou et al. 1997 Vasileios
  Hatzivassiloglou and Kathleen R. McKeown.
  Predicting the Semantic Orientation of
  Adjectives. ACL1997.
• ?????????? ??? ????
• ???? 2004??? ??, ?? ?. ??????????????????????.
  ???????????????(NL-162-16), 2004.
• ?????????????
• Takamura et al. 2005 Hiroya Takamura, Takashi
  Inui and Manabu Okumura. Extracting Semantic
  Orientation of Words using Spin Model. ACL2005.
• Spin glass model

36
?????????

• ???????
• The General Inquirer Stone et al. 1966
• http//www.wjh.harvard.edu/inquirer
• ???????????????????
• Positiv ????Negativ???
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37
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38
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document
39
??????????????

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40
??????????????????????????

• Pang et al. 2002
• ?????????/?????
• ???????,?????????,SVMs
• ??uni-gram,??bi-gram
• SVMs??uni-gram??82.9
• Topic???????????????!

Pang et al. 2002 Bo Pang, Lillian Lee and
Shivakumar Vaithyanathan. Thumbs up? sentiment
classification using machine learning techniques.
EMNLP2002.
41
??????????????????????????

• Mullen et al. 2004
• Tony Mullen and Nigel Collier. Sentiment
  analysis using support vector machines with
  diverse information sources. ACL2004.
• ???????
• Pang et al. 2004
• Bo Pang and Lillian Lee. A Sentimental
  Education Sentiment Analysis Using Subjectivity
  Summarization Based on Minimum Cuts. ACL2004.
• ???????????

42
??????????????????????????

• Mullen et al. 2004
• Tony Mullen and Nigel Collier. Sentiment
  analysis using support vector machines with
  diverse information sources. ACL2004.
• ???????
• Pang et al. 2004
• Bo Pang and Lillian Lee. A Sentimental
  Education Sentiment Analysis Using Subjectivity
  Summarization Based on Minimum Cuts. ACL2004.
• ???????????
• Matsumoto et al. 2005
• Shotaro Matsumoto, Hiroya Takamura and
  Manabu Okumura. Sentiment Classification using
  Word Sub-Sequences and Dependency Sub-Trees.
  PAKDD2005.
• ????,??????

43
??????????????

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44
???????????????????????????

• Turney 2002
• ?????????????????????????
• ?????????????????????????/?????

45
???????????????????????????

• Taboada et al. 2004
• Maite Taboada and Jack Grieve. Analyzing
  Appraisal Automatically. AAAI-EAAT2004.
• ??????????????????????
• ????????????????
• Kennedy et al. 2005Alistair Kennedy and Diana
  Inkpen. Sentiment classification of movie and
  product reviews using contextual valence
  shifters. FINEXIN2005.
• ?????(contextual valence shifter)
• not good,very good

46
???????????????????????????

• Taboada et al. 2004
• Maite Taboada and Jack Grieve. Analyzing
  Appraisal Automatically. AAAI-EAAT2004.
• ??????????????????????
• ????????????????
• Kennedy et al. 2005Alistair Kennedy and Diana
  Inkpen. Sentiment classification of movie and
  product reviews using contextual valence
  shifters. FINEXIN2005.
• ?????(contextual valence shifter)
• not good,very good

47
??????????????

• ?????????????????
• ?????????Pang et al. 2002
• http//www.cs.cornell.edu/people/pabo/movie-review
  -data/
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48
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• ????(???) ??????
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58
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59
??????????????

• ??????
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• ???2004 in BlogWatcher

???2004????, ????, ???. Weblog????????????.
??????????????????????????(SW-ONT-A401-02), 2004.
???2005?????, ????, ????, ????, ????.
???????????????. ??????, Vol.12, No.2, 2005.
Yi et al. 2005Jeonghee Yi, Wayne Niblack.
Sentiment Mining in WebFountain. ICDE2005.
60
???

• ????????
• Wiebe et al. 2004
• ??/???????
• neutral Koppel et al. 2005

J. Wiebe, T. Wilson, R. Bruce, M. Bell and M.
Martin. Learning subjective language.
Computational Linguistics, Vol.30, No.3, 2004.
Moshe Koppel, Jonathan Schler. The importance of
neutral examples for learning sentiment.
FINEXIN2005.
61
???

• ????????
• Wiebe et al. 2004
• ??/???????
• neutral Koppel et al. 2005
• five star reviewPang et al. 2005

J. Wiebe, T. Wilson, R. Bruce, M. Bell and M.
Martin. Learning subjective language.
Computational Linguistics, Vol.30, No.3, 2004.
Moshe Koppel, Jonathan Schler. The importance of
neutral examples for learning sentiment.
FINEXIN2005.
Bo Pang, Lillian Lee. Seeing Stars Exploiting
Class Relationships for Sentiment Categorization
with Respect to Rating Scales. ACL2005.
62
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63
????

• AAAI Spring Symposium on Exploring Attitude and
  Affect in Text Theories and Applications
  (AAAI-EAAT), 2004.
• Sentiment and Subjectivity in Text, Workshop at
  ACL2006.
• ???, ???. ?????????????????????????. ??????,
  Vol.13, No.3, 2006. (????)
• ????????????????????

64
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65
Thank you!