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Sentiment, Opinion &
Emotion on the
Multilingual Web
Seth Grimes
Alta Plana Corporation
@sethgrimes
New Horizons for the
Multilingal Web – Madrid
May 8, 2014
Sentiment, Opinion & Emotion
Four varieties of data
1. Machine data (e.g., logs, sensor outputs,
clickstreams).
2. Interactions and transactions (including
location and time).
3. Profile: individual, demographic & behavioral.
4. Media: Text, audio, images, and video.
And two super-types
• Facts.
• Feelings.
Sentiment, Opinion & Emotion
Feelings
“Sentiment analysis or opinion mining is the
computational study of opinions, sentiments and
emotions expressed in text.”
-- Bing Liu, 2010, “Sentiment Analysis and
Subjectivity,” in Handbook of Natural Language
Processing
• “My graphics look horrible when I play and I’m all
laggy.”
• “The Iraqi regime… possesses and produces chemical
and biological weapons.” -- George W. Bush, Oct 7,
2002.
• “I like pepsi better simple as that, coke feels like I’m
drinking battery acid but it tastes good.”
Sentiment, Opinion & Emotion
Opinions, sentiment & emotion
Sentiment, Opinion & Emotion
The sentiment value of an opinion may be
expressed as a quintuple (oj, fjk, soijkl, hi, tl)
where:
• oj is a target object.
• fjk is an feature of the object oj.
• hi is an opinion holder.
• tl is the time when the opinion is expressed.
• soijkl is the sentiment value of the opinion of
the opinion holder hi regarding feature fjk of
object oj at time tl.
• soijkl is +ve, -ve, or neu, or a more granular
rating.
(Bing Liu, NLP Handbook)
Sentiment, Opinion & Emotion
Comparative opinions --
(O1, O2, F, po, h, t):
• O1 and O2 are object sets being compared
based on shared features F.
• po is the preferred object set of the opinion
holder h.
• t is the time when the comparative opinion is
expressed.
(Bing Liu)
Sentiment, Opinion & Emotion
Questions for business (& government):
What are people saying? What’s hot/trending?
What are they saying about {topic|person|product} X?
... about X versus {topic|person|product} Y?
How has opinion about X and Y evolved?
How has opinion correlated with
{our|competitors’|general}
{news|marketing|sales|events}?
Who (and What, When & How) are opinion leaders?
How does sentiment propagate across multiple channels?
What’s behind opinion, the root causes?
(How) Can we link opinions, profiles, behaviors &
transactions to discern intent and predict actions?
(oj, fjk, soijkl, hi, tl)? (O1, O2, F, po, h, t)?
Sentiment, Opinion & Emotion
Sentiment
surfaced via
typical industry
applications.
Sentiment, Opinion & Emotion
Sentiment, Opinion & Emotion
Sentiment is of interest at multiple levels.
Corpus / data space, i.e., across multiple sources.
Document.
Statement / sentence.
Entity / topic / concept.
Human language is noisy and chaotic!
Jargon, slang, irony, ambiguity, anaphora,
polysemy, synonymy, etc., and culturally
dependent.
Context is key. Discourse analysis comes into
play.
Meaning may be implied rather than directly
stated.
Sentiment, Opinion & Emotion
Feelings (without reductionism)
Sentiment, Opinion & Emotion
Emotion and understanding
Sentiment, Opinion & Emotion
Emotion and effect
Sentiment, Opinion & Emotion
Prediction/Feeling/Wish... and Intent
http://www.aiaioo.com/whitepapers/intention_analysis_use_cases.pdf
http://sentibet.com/
Sentiment, Opinion & Emotion
“It was the best of times, it was the worst of
times.” Opinion++?
Maybe (oj, fjk, hi, il,cm, mn, soijklmn) where:
• oj is a target object.
• fjk is an feature of the object oj.
• hi is an opinion holder.
• il is an instance of opinion expression.
• cm is a categorization.
• mn is a classification method.
• soijklmn is the sentiment value of the opinion of
opinion holder hi at time tl regarding feature
fjk of object oj, within categorization cm and as
classified via method mn .
Sentiment, Opinion & Emotion
Beyond Text:
• Audio including speech.
• Images.
• Video.
http://www.geekosystem.com/
facebook-face-recognition/
http://www.sciencedirect.com/science
/article/pii/S0167639312000118
http://flylib.com/books/en/2.495.1.54/1/
Sentiment, Opinion & Emotion
All this keeps us
busy, even
without…
“The share rise in users who
selected
Arabic…coincided with
much of the civil unrest…
in Middle Eastern
countries.”
http://bits.blogs.nytimes.com/2014/03/09/t
he-languages-of-twitter-users/
Sentiment, Opinion & Emotion
But…
Sentiment, Opinion & Emotion
And?
Sentiment, Opinion &
Emotion on the
Multilingual Web
Seth Grimes
Alta Plana Corporation
@sethgrimes
New Horizons for the
Multilingal Web – Madrid
May 8, 2014

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Sentiment, Opinion & Emotion on the Multilingual Web

  • 1. Sentiment, Opinion & Emotion on the Multilingual Web Seth Grimes Alta Plana Corporation @sethgrimes New Horizons for the Multilingal Web – Madrid May 8, 2014
  • 2.
  • 3. Sentiment, Opinion & Emotion Four varieties of data 1. Machine data (e.g., logs, sensor outputs, clickstreams). 2. Interactions and transactions (including location and time). 3. Profile: individual, demographic & behavioral. 4. Media: Text, audio, images, and video. And two super-types • Facts. • Feelings.
  • 4. Sentiment, Opinion & Emotion Feelings “Sentiment analysis or opinion mining is the computational study of opinions, sentiments and emotions expressed in text.” -- Bing Liu, 2010, “Sentiment Analysis and Subjectivity,” in Handbook of Natural Language Processing • “My graphics look horrible when I play and I’m all laggy.” • “The Iraqi regime… possesses and produces chemical and biological weapons.” -- George W. Bush, Oct 7, 2002. • “I like pepsi better simple as that, coke feels like I’m drinking battery acid but it tastes good.”
  • 5. Sentiment, Opinion & Emotion Opinions, sentiment & emotion
  • 6. Sentiment, Opinion & Emotion The sentiment value of an opinion may be expressed as a quintuple (oj, fjk, soijkl, hi, tl) where: • oj is a target object. • fjk is an feature of the object oj. • hi is an opinion holder. • tl is the time when the opinion is expressed. • soijkl is the sentiment value of the opinion of the opinion holder hi regarding feature fjk of object oj at time tl. • soijkl is +ve, -ve, or neu, or a more granular rating. (Bing Liu, NLP Handbook)
  • 7. Sentiment, Opinion & Emotion Comparative opinions -- (O1, O2, F, po, h, t): • O1 and O2 are object sets being compared based on shared features F. • po is the preferred object set of the opinion holder h. • t is the time when the comparative opinion is expressed. (Bing Liu)
  • 8. Sentiment, Opinion & Emotion Questions for business (& government): What are people saying? What’s hot/trending? What are they saying about {topic|person|product} X? ... about X versus {topic|person|product} Y? How has opinion about X and Y evolved? How has opinion correlated with {our|competitors’|general} {news|marketing|sales|events}? Who (and What, When & How) are opinion leaders? How does sentiment propagate across multiple channels? What’s behind opinion, the root causes? (How) Can we link opinions, profiles, behaviors & transactions to discern intent and predict actions? (oj, fjk, soijkl, hi, tl)? (O1, O2, F, po, h, t)?
  • 9. Sentiment, Opinion & Emotion Sentiment surfaced via typical industry applications.
  • 11. Sentiment, Opinion & Emotion Sentiment is of interest at multiple levels. Corpus / data space, i.e., across multiple sources. Document. Statement / sentence. Entity / topic / concept. Human language is noisy and chaotic! Jargon, slang, irony, ambiguity, anaphora, polysemy, synonymy, etc., and culturally dependent. Context is key. Discourse analysis comes into play. Meaning may be implied rather than directly stated.
  • 12. Sentiment, Opinion & Emotion Feelings (without reductionism)
  • 13. Sentiment, Opinion & Emotion Emotion and understanding
  • 14. Sentiment, Opinion & Emotion Emotion and effect
  • 15. Sentiment, Opinion & Emotion Prediction/Feeling/Wish... and Intent http://www.aiaioo.com/whitepapers/intention_analysis_use_cases.pdf http://sentibet.com/
  • 16. Sentiment, Opinion & Emotion “It was the best of times, it was the worst of times.” Opinion++? Maybe (oj, fjk, hi, il,cm, mn, soijklmn) where: • oj is a target object. • fjk is an feature of the object oj. • hi is an opinion holder. • il is an instance of opinion expression. • cm is a categorization. • mn is a classification method. • soijklmn is the sentiment value of the opinion of opinion holder hi at time tl regarding feature fjk of object oj, within categorization cm and as classified via method mn .
  • 17. Sentiment, Opinion & Emotion Beyond Text: • Audio including speech. • Images. • Video. http://www.geekosystem.com/ facebook-face-recognition/ http://www.sciencedirect.com/science /article/pii/S0167639312000118 http://flylib.com/books/en/2.495.1.54/1/
  • 18. Sentiment, Opinion & Emotion All this keeps us busy, even without… “The share rise in users who selected Arabic…coincided with much of the civil unrest… in Middle Eastern countries.” http://bits.blogs.nytimes.com/2014/03/09/t he-languages-of-twitter-users/
  • 19. Sentiment, Opinion & Emotion But…
  • 20. Sentiment, Opinion & Emotion And?
  • 21. Sentiment, Opinion & Emotion on the Multilingual Web Seth Grimes Alta Plana Corporation @sethgrimes New Horizons for the Multilingal Web – Madrid May 8, 2014