Introduction Social Sentiment Index Results
Sentiment Index of the
Russian Speaking Facebook
International Conference on C...
Introduction Social Sentiment Index Results
Motivation: Can we measure happiness?
Why such a wild idea as measuring happin...
Introduction Social Sentiment Index Results
Happiness: Google
Alexander Panchenko Sentiment Index of the Russian Speaking ...
Introduction Social Sentiment Index Results
Happiness: semantic field
Alexander Panchenko Sentiment Index of the Russian Sp...
Introduction Social Sentiment Index Results
Happiness: semantic field
Alexander Panchenko Sentiment Index of the Russian Sp...
Introduction Social Sentiment Index Results
Happiness: self-reported vs estimated
self-reported
are you happy now?
estimat...
Introduction Social Sentiment Index Results
Contributions
Two contributions of this paper to the exploration of
sentiment/...
Introduction Social Sentiment Index Results
Facebook Corpus
Statistics of the Facebook corpus
Alexander Panchenko Sentimen...
Introduction Social Sentiment Index Results
Facebook Corpus
Number of texts per day in the Facebook corpus
Alexander Panch...
Introduction Social Sentiment Index Results
Sentiment Detection Method
Most frequent positive and negative adjectives in t...
Introduction Social Sentiment Index Results
Sentiment Detection Method
Dictionary Sentiment Text Classification Approach
em...
Introduction Social Sentiment Index Results
Sentiment Detection Method
Comparison of Sentiment Classification Approaches
RO...
Introduction Social Sentiment Index Results
Social Sentiment Indexes
Sentiment Indexes
The goal of a sentiment index is to...
Introduction Social Sentiment Index Results
Social Sentiment Indexes
Sentiment Indexes
Alexander Panchenko Sentiment Index...
Introduction Social Sentiment Index Results
Results of the social sentiment index calculation during the
entire period
Ale...
Introduction Social Sentiment Index Results
Evolution of the word sentiment index sw during the entire
period
Alexander Pa...
Introduction Social Sentiment Index Results
Word (sw ) and text (st) sentiment indexes
Alexander Panchenko Sentiment Index...
Introduction Social Sentiment Index Results
Positive and Negative Events
(1) 31-12-*—New Year (+);
(2) 14-02-*—St.Valentin...
Introduction Social Sentiment Index Results
Word (ew ) and text (et) emotional indexes
Alexander Panchenko Sentiment Index...
Introduction Social Sentiment Index Results
Word and text emotional indexes
Word (ew ) and text (et) emotional indexes, co...
Introduction Social Sentiment Index Results
Thank you! Questions?
Alexander Panchenko Sentiment Index of the Russian Speak...
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Sentiment Index of the Russian Speaking Facebook

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A sentiment index measures the average emotional level in a corpus. We introduce four such indexes and use them to gauge average “positiveness” of a population during some period based on posts in a social network. This article for the first time presents a text-, rather than word-based sentiment index. Furthermore, this study presents the first large-scale study of the sentiment index of the Russian-speaking Facebook. Our results are consistent with the prior experiments for English language.

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Sentiment Index of the Russian Speaking Facebook

  1. 1. Introduction Social Sentiment Index Results Sentiment Index of the Russian Speaking Facebook International Conference on Computational Linguistics Dialogue 2014, Bekasovo, Russia Alexander Panchenko Digital Society Laboratory LLC, Moscow, Russia & Universite catholique de Louvain, Louvain-la-Neuve, Belgium June 8, 2014 Alexander Panchenko Sentiment Index of the Russian Speaking Facebook
  2. 2. Introduction Social Sentiment Index Results Motivation: Can we measure happiness? Why such a wild idea as measuring happiness? Alexander Panchenko Sentiment Index of the Russian Speaking Facebook
  3. 3. Introduction Social Sentiment Index Results Happiness: Google Alexander Panchenko Sentiment Index of the Russian Speaking Facebook
  4. 4. Introduction Social Sentiment Index Results Happiness: semantic field Alexander Panchenko Sentiment Index of the Russian Speaking Facebook
  5. 5. Introduction Social Sentiment Index Results Happiness: semantic field Alexander Panchenko Sentiment Index of the Russian Speaking Facebook
  6. 6. Introduction Social Sentiment Index Results Happiness: self-reported vs estimated self-reported are you happy now? estimated from socio-economical factors gross national product quality of life, etc. estimated from linguistic data positive statements vs negative statements several researchers considered this problem during last 10 years blogs: Mihalchea and Lui (2005), Mishne and Rijke (2006), Balog and Rijke (2006) social networks: Dodds et al. (2011), Kamvar and Harris (2011), Facebook Gross National Happiness index (FGNH) of Kramer (2010) Alexander Panchenko Sentiment Index of the Russian Speaking Facebook
  7. 7. Introduction Social Sentiment Index Results Contributions Two contributions of this paper to the exploration of sentiment/happiness indexes are as follows: We propose four indexes that gauge emotional level of population. Unlike most previous works, we not only deal with word-based indexes, but also device a text-based index. To the best of our knowledge, this is the first study of sentiment index of the Russian-speaking social network. Alexander Panchenko Sentiment Index of the Russian Speaking Facebook
  8. 8. Introduction Social Sentiment Index Results Facebook Corpus Statistics of the Facebook corpus Alexander Panchenko Sentiment Index of the Russian Speaking Facebook
  9. 9. Introduction Social Sentiment Index Results Facebook Corpus Number of texts per day in the Facebook corpus Alexander Panchenko Sentiment Index of the Russian Speaking Facebook
  10. 10. Introduction Social Sentiment Index Results Sentiment Detection Method Most frequent positive and negative adjectives in the Facebook corpus 1500 emotional adjectives (600 negative, 900 positive) Alexander Panchenko Sentiment Index of the Russian Speaking Facebook
  11. 11. Introduction Social Sentiment Index Results Sentiment Detection Method Dictionary Sentiment Text Classification Approach emotion delta ∆ ∈ [−1; 1] – direction and amplitude of text sentiment D+ – positive terms D− – negative terms w – word t – text n – length of text α ∈ [0; 1] – a threshold Alexander Panchenko Sentiment Index of the Russian Speaking Facebook
  12. 12. Introduction Social Sentiment Index Results Sentiment Detection Method Comparison of Sentiment Classification Approaches ROMIP 2012 – Sentiment Analysis Collection Alexander Panchenko Sentiment Index of the Russian Speaking Facebook
  13. 13. Introduction Social Sentiment Index Results Social Sentiment Indexes Sentiment Indexes The goal of a sentiment index is to measure positiveness of social network users during some period. Alexander Panchenko Sentiment Index of the Russian Speaking Facebook
  14. 14. Introduction Social Sentiment Index Results Social Sentiment Indexes Sentiment Indexes Alexander Panchenko Sentiment Index of the Russian Speaking Facebook
  15. 15. Introduction Social Sentiment Index Results Results of the social sentiment index calculation during the entire period Alexander Panchenko Sentiment Index of the Russian Speaking Facebook
  16. 16. Introduction Social Sentiment Index Results Evolution of the word sentiment index sw during the entire period Alexander Panchenko Sentiment Index of the Russian Speaking Facebook
  17. 17. Introduction Social Sentiment Index Results Word (sw ) and text (st) sentiment indexes Alexander Panchenko Sentiment Index of the Russian Speaking Facebook
  18. 18. Introduction Social Sentiment Index Results Positive and Negative Events (1) 31-12-*—New Year (+); (2) 14-02-*—St.Valentine’s day (+); (3) 23-02-*—Man’s day (+); (4) 08-03-*—Woman’s day (+); (5) 09-05-*—Victory Day, World War 2 commemorative day (–); (6) 07-07-2012—Krasnodar Krai floods in Russia 6 (–); (7) 22-07-2012—A new unpopular law regulating non-profit organizations in Russia 7 (–); (8) 16-09-2012—A mass protest against government in Russia 8 (–); (9) 25-10-2012—Hurricane Sandy in US (–). Alexander Panchenko Sentiment Index of the Russian Speaking Facebook
  19. 19. Introduction Social Sentiment Index Results Word (ew ) and text (et) emotional indexes Alexander Panchenko Sentiment Index of the Russian Speaking Facebook
  20. 20. Introduction Social Sentiment Index Results Word and text emotional indexes Word (ew ) and text (et) emotional indexes, compared to the number of words. Alexander Panchenko Sentiment Index of the Russian Speaking Facebook
  21. 21. Introduction Social Sentiment Index Results Thank you! Questions? Alexander Panchenko Sentiment Index of the Russian Speaking Facebook

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