Sharing Emotions in Social Networks!Data Mining Tools for Audience Sentiment Analysis!!Vittorio Di Tomaso!
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!Blogmeter collects 1M+ Italian tweets
every day!!
About 10% are related to TV programs!!
Second screen is a reality!
All data collected using BlogMeter’s SocialTVMeter
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The Experiment !!
Is it possible to give broadcasters and advertisers true insights on how programs are perceived by
their audiences?!
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What we want!
A methodology to discover meaningful similarities and
differences in a collection of items described by several variables
(sentiment & emotions)!
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Semantic Analysis!
Sentiment analysis:!positive and negative tweets!
!Emotion detection:!
anger, disgust, fear, joy, sadness, surprise, love, like, dislike!
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The result of semantic analysis!
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Data Analysis: can we do better?!
To gain a deeper understanding of data, we derived a geometric representation of
people AND emotions in the same space!!
We employed Multiple Correspondence Analysis, a PCA variant for discrete data!
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COMPARING PROGRAMS’ EMOTIONAL SPECTRA!
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Simple CA: TV Shows and Classification!
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Emotions & Programs!Multiple Correspondence Analysis!
©Copyright Celi/Blogmeter 2014
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COMPARING X-FACTOR AND MASTERCHEF’S EMOTIONAL SPECTRA!
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X Factor 7!Correspondences between Episodes and Emotions!
©Copyright Celi/Blogmeter 2014
MasterChef!Correspondences between Episodes and Emotions!
©Copyright Celi/Blogmeter 2014
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X Factor vs Masterchef!
©Copyright Celi/Blogmeter 2014
Conclusions!
Multivariate techniques were succefully applied on high quality semantic data!
!Highlighting relevant features of audiences
provides crucial pieces of information to broadcasters and potential advertisers!
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Thanks!!
Vittorio Di Tomaso [email protected]!Francesco [email protected]!www.celi.it!www.blogmeter.it!
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