ESSE: Exploring Mood on the Web

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ESSE Exploring Mood on the Web

• Sara Owsley Sood
• Lucy Vasserman
• Pomona College

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Buzz
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Retrieve blog posts Extract candidate
stories Modify and filter candidates Markup
chosen stories Present marked up stories
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Sentiment ClassificationReasoning Through
Search (RTS)Sara Owsley Sood and Sanjay Sood
Cold
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Models of Emotion

• Valence/Intensity
• VAD or PAD Model
• Valence/Pleasure
• Arousal
• Dominance
• Ekmans 6 Emotion Model

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ESSE Emotional State Search Engine

• A textual mood classifier
• A simple TFIDF search engine backend
• Spinn3r dataset
• The ESSE interface

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Naïve Bayes Mood Classifier
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Training Data
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Human Powered Compression
Label each of the following moods with one of the
following seven categories happy, sad, angry,
fearful, disgusted, surprised or none of the
above.

• Pleased
• Jubilant
• Recumbent
• Ditzy
• Weird
• Geeky
• Blank
• Dirty
• Thirsty

• Guilty
• Hot
• Worried
• Nervous
• Hungry
• Nostalgic
• Artistic
• Crushed
• Giggly

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LiveJournal Mood Hierarchy

• angry (2)
• aggravated (1)
• annoyed (3)
• bitchy (110)
• cranky (8)
• cynical (104)
• enraged (12)
• frustrated (47)
• grumpy (95)
• infuriated (19)
• irate (20)
• irritated (112)
• moody (23)
• pissed off (24)
• stressed (28)
• rushed (100)

• awake (87)
• confused (6)
• curious (56)
• determined (45)
• predatory (118)
• devious (130)
• energetic (11)
• bouncy (59)
• hyper (52)
• enthralled (13)
• happy (15)
• amused (44)
• cheerful (125)
• chipper (99)
• ecstatic (98)
• excited (41)

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K-Means Clustering
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K-Means Clustering
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Classification Feature Sets
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(No Transcript)
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Unfair Slurs of Barack Obama There seem to be
some people out there who are determined to
blatently lie to undermine Barack Obama. Get the
truth and then decide whether to vote for Barack
Obama or not. Do the same wi...
Is Barack Obama the Anti-Christ?.... Ummm, NO!
There have been claims that the The Book of
Revelation describes the Anti-Christ as someone
with characteristics matching those of Barack
Obama.Emails have been circulated stating things
likeAccordin...
Obama Rally in detroit Tomorrow You're
Invited. This Sunday, September 28th, please join
Barack Obama, Joe Biden, Michelle Obama, and Jill
Biden in Detroit, where they will talk about
creating the kind of change we need.Change We
Need...
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Transcript Barack Obama On Hillary, Iraq And
More Obama I think that the voters should be
concerned that she is running the textbook,
classic Washington campaign, which is to avoid
giving clear answers and getting pinned down, for
fear that somehow you're going to be tagged,
either in the primary or the general election. I
think that's an old way of doing business. I
think that's the kind of politics that has lead
to gridlock and an ineffective Washington. That's
the kind of politics I want to change.
Barack Obama "I Think I'm a Pretty Cool Dad!" "I
think I'm a pretty cool dad," Obama told Us
earlier in the campaign. Case in point before
jetting off to the White House Monday, he kissed
his daughters, Malia, 10, and Sasha, 7, goodbye
and dropped them off at school. During the
campaign, Michelle told Us "He's an incredible
husband and father. Not sure if the world knows
yet, but they should!"
The story of Barack Obama's mother Each of us
lives a life of contradictory truths. We are not
one thing or another. Barack Obama's mother was
at least a dozen things. ... I think she was
always searching for something. She wasn't
comfortable seeing her life confined to a certain
box." Obama's mother was a dreamer. ...
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Future Work

• Interface and retrieval evaluation (using Spinn3r
  dataset) and improvement
• Expand mood classification dimensions
• Return to a focus on stories
• Create other dimensions for search

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Questions?Mood Classifier (please use FireFox
only) http//sarasood.cs.pomona.edu/classifier/cl
assify/ESSE (mood based search) will be linked
shortly here http//www.cs.pomona.edu/sara/
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restaurants
food
books
cars
movies
shopping
business
travel
politics
sports
music
video games
actors actresses
electronics
education
Government
software
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restaurants
food
travel
Classifier Testing Domain Accuracy
Food Restaurants 77.14
Food Software 41.90
Software Electronics 68.00
video games
electronics
software
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The Reasoning Through Search System
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Reasoning Through Search Evaluation
Approach Accuracy
Human Baseline 78.60
RTS 73.39
Machine Learning (Naïve Bayes) 66.00
Ensemble Approach 60.66