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Our Twitter Profiles, Our Selves

Published on Feb 04, 2016

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PRESENTATION OUTLINE

1.

Our Twitter Profiles, Our Selves

Predicting Personality with Twitter (Quercia et al. 2011)
Photo by eldh
2.

Predicting personality

with Twitter
Photo by Renato Ganoza
3.

Big-5 personality

and Twitter metrics
Photo by Muffet
4.

Predict a user's personality

using the three metrics
Photo by manoftaste.de
5.

Unexpected inference

Disruption of reasonable expectations
Photo by Pulpolux !!!
6.

Big-5 (OCEAN)

  • Openness
  • Conscientiousness
  • Extraversion
  • Agreeableness
  • Neurotisicm
Photo by VinothChandar
7.

Online ~ offline

Background research: People are "real" on social media
Photo by linh.ngan
8.

myPersonality

Linked to FB and Twitter profiles
Photo by psd
9.

n = 355

Intersection of verified Twitter, FB and myPersonality profiles
Photo by Arlo Bates
10.

Four user types

  • Listeners – follow a lot
  • Popular – followed a lot
  • Highly-read – listed a lot
  • Influential – Klout score and TIME ranking for celebs
Photo by Swamibu
11.

Social = extraverted + stable

Populars: 0.15 Extrav & -0.19 Neurot.
Photo by mkhmarketing
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Listed = open

Highly read: openness 0.17
Photo by ginnerobot
13.

Influence = organization + extraversion

Influentials: org. 0.13 & extrav. 0.15
Photo by jurvetson
14.

Personality predictiong with lin reg

10-fold cross-valid. w/ M5 rules
Photo by cobalt123
15.

RMSE = 0.88 (1-5)

Vs. RMSE = 0.8567 of Netflix challenge
Photo by FotoDB.de
16.

Personality prediction inputs

  • Following
  • Followers
  • Listed
Photo by gail heidel
17.

OCEAN prediction RMSE

  • O: 0.69 (lowest)
  • C: 0.76
  • E: 0.88 (highest)
  • A: 0.79
  • N: 0.85
Photo by c.fuentes2007
18.

Discussion

Surprised? RMSE low enough?
Photo by @Doug88888
19.

Privacy implications

Emre: Foursquare, case pleaserobme.com?
Photo by Yu. Samoilov
20.

That's all folks!

Thanks!
Photo by Jon Ashcroft

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