Contextual Valence Shifters
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In addition to describing facts and events, texts often communicate information about the attitude of the writer or various participants towards material being described. The most salient clues about attitude are provided by the lexical choice of the writer but, as discussed below, the organization of the text also contributes information relevant to assessing attitude. We argue that the current work in this area that concentrates mainly on the negative or positive attitude communicated by individual terms (Edmonds and Hirst, 2002; Hatzivassiloglou and McKeown, 1997; Turney and Littman, 2002; Wiebe et al., 2001) is incomplete and often gives the wrong results when implemented directly. We then describe how the base attitudinal valence of a lexical item is modified by lexical and discourse context and propose a simple, “proof of concept” implementation for some contextual shifters.
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- Contextual Valence Shifters
- Book Title
- Computing Attitude and Affect in Text: Theory and Applications
- pp 1-10
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- Series Title
- The Information Retrieval Series
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- Springer Netherlands
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- valence shifters
- genre structure
- multiple constraints
- calculating valence
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- Editor Affiliations
- 2. Clairvoyance Cooperation
- 3. University of Pittsburgh
- Author Affiliations
- 4. FXPAL, 3400 Hillview Ave, Bldg. 4, Palo Alto, CA, 94304
- 5. PARC, 3333 Coyote Hill Road, Palo Alto, CA, 94304, USA
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