Dan Jurafsky Lecture 1: Sentiment Lexicons and

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Dan Jurafsky Lecture 1: Sentiment Lexicons and Sentiment Classification Computational Extraction of Social and Interactional Meaning SSLST, Summer 2011 IP notice: many slides for today from Chris Manning, William Cohen, Chris Potts and

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01
Dan Jurafsky

Lecture 1: Sentiment Lexicons and Sentiment Classification Computational Extraction of Social and Interactional Meaning SSLST, Summer 2011 IP notice: many slides for today from Chris Manning, William Cohen, Chris Potts and Janyce Wiebe, plus some from Marti Hearst and Marta Tatu<br>
02
Scherer Typology of Affective States Emotion: brief organically synchronized … evaluation of an major event as significant
angry, sad, joyful, fearful, ashamed, proud, elated
Mood: diffuse non-caused low-intensity long-duration change in subjective feeling
cheerful, gloomy, irritable, listless, depressed, buoyant
Interpersonal stances: affective stance toward another person in a specific interaction
friendly, flirtatious, distant, cold, warm, supportive, contemptuous
Attitudes: enduring, affectively coloured beliefs, dispositions towards objects or persons
liking, loving, hating, valueing, desiring
Personality traits: stable personality dispositions and typical behavior tendencies
nervous, anxious,reckless, morose, hostile, jealous<br>
03
Extracting social/interactional meaning Emotion and Mood
Annoyance in talking to dialog systems
Uncertainty of students in tutoring
Detecting Trauma or Depression
Interpersonal Stance
Romantic interest, flirtation, friendliness
Alignment/accommodation/entrainment
Attitudes = Sentiment (positive or negative)
Movie or Products or Politics: is a text positive or negative?
“Twitter mood predicts the stock market.”
Personality Traits
Open, Conscienscious, Extroverted, Anxious
Social identity (Democrat, Republican, etc.)<br>