sentinets - acm web science 2014 pecha kucha presentation
Post on 26-Jun-2015
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“Just watched cyberbully--
it's annoying. Why would
she kill herself? It's not
worth it. Life is shit so deal
with it :P”
coded as negative
“All the best to the
retired players suffering
from CTE. Spread the
word so we can make
the game safer.”
coded as positive
“New LGBT Research
Study on same sex
weddings [link]”
coded as positive
Enthusiastic / Non-Supportive
(E-NS)
Enthusiastic / Supportive
(E-S)
Passive/ Non-Supportive
(P-NS)
Passive/ Supportive
(P-S)
Enthusiastic(E)
Passive(P)
No
n-S
up
po
rtiv
e(N
S)Su
pp
ortive
(S)
Create SentiNets DashboardUser Rankings User Networks Word Clouds Geo-location Scores
Test Prediction on new dataLegalize Marijuana Legalize Prostitution
Train ClassifierEnthusiastic/Passive Supportive/Non-Supportive
Annotate Tweets using CodebookEnthusiastic/Passive Supportive/Non-Supportive
Build Codebook
Collect TweetsCTE in NFL Cyberbullying LGBT
Category Inter Coder Reliability Accuracy (SVM)
Enthusiastic v/s Passive 93 % 79.0749 %
Supportive v/s Non -
Supportive85 % 76.652 %
1500 Coded Tweets
Refined Codebook for Social Causes
Features used in classifier
# of Emoticons # of URLS # of Mentions # of Hashtags
Word Features# of Double
QuotesLength of
Tweets
“Just watched cyberbully--
it's annoying. Why would
she kill herself? It's not
worth it. Life is shit so deal
with it :P”
coded as Enthusiastic& Non-Supportive
“All the best to the
retired players suffering
from CTE. Spread the
word so we can make
the game safer.”
coded as Enthusiastic& Supportive
“New LGBT Research
Study on same sex
weddings [link]”
coded as Passive & Supportive
Confusion Matrices for sentiment classes for Legalize Marijuana and Legalize Prostitution
Node Color: HashTags or UserNode Size: Occurrence
Label Size: Sentiment Measure
Support
Sentiment based Networks for Global Warming
Enthusiasm
Label Type WeightTweetCount
EPCount
SNSCount EP_Class SNS_Class Degree Top in Class
Sorted by Weights
damnitstrue USER 91 0 -91 -91 PASSIVE NON_SUPPORTIVE 92
slone USER 51 0 -51 49 PASSIVE SUPPORTIVE 54 SUPPORTIVE
tcot HASHTAG 50 0 -48 44 PASSIVE SUPPORTIVE 56 SUPPORTIVE
Sorted by Number of Tweets
ElectedMob USER 9 9 -9 1 PASSIVE NON_SUPPORTIVE 2
thomasj17431826 USER 7 6 5 -5 ENTHUSIASTIC SUPPORTIVE 11 ENTHUSIASTIC
NotCMBurns USER 6 6 2 6 ENTHUSIASTIC SUPPORTIVE 4 ENTHUSIASTIC
User Rankings in Sentiment based Networks for Global Warming
SENTINETSEnthusiasm and Support: Alternative Sentiment Classification for Social Movements on Social Media
Shubhanshu Mishra, Sneha Agarwal, Jinlong Guo, Kirstin Phelps, Johna Picco, Jana Diesner{ smishra8, sagarwa8, jguo24, kphelps, picco2, jdiesner }@illinois.edu
iSchool at University of Illinois at Urbana-ChampaignMore details at: http://people.lis.illinois.edu/~smishra8/sentinets.php
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