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Social Computing & Online Social Media

Ponnurangam Kumaraguru (“PK”)

#ProfGiri #CS #DeanGiri #IIITDelhi

#ACMIndia #CouncilMember

TEDx & ACM Distinguished Speaker

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Summer Workshop-Cum-Internship

IGDTUW

June 22, 2020

linkedin/in/ponguru

@ponguru

fb.com/ponnurangam.kumaraguru

pkatiiitd

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  • Social Media
  • Smileys :-) +1
  • Pic with all on video at the end!

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Thesis → Wombat

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Growth of Selfies

  • 55% of millennials (18 - 36-year-olds) have posted a "selfie" on a social media service
  • 24 billion selfies were uploaded to Google Photos in 2015 alone

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#ultimateselfie

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How it started?

  • July 2016, mailing list
  • Some heart-wrenching incidents
  • No datasets
  • Increased curiosity

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http://labs.precog.iiitd.edu.in/killfie/

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Selfies

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Deaths

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Reasons for deaths

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https://www.facebook.com/saftiebot/

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https://www.facebook.com/saftiebot/

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https://goo.gl/2sIdYT

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700+ locations have been marked as dangerous...

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Camera that we have built!

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https://map.snapchat.com/

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is any non-driving activity that the driver engages in, which can lead to

  1. visual distractions (e.g. taking eyes off the road),
  2. manual distractions (e.g. taking hands off the driving wheel) or
  3. cognitive distractions (e.g. taking the mind off driving)

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Distracted Driving Posts on Social Media

391K injuries were reported due to distracted driving in US [NHTSA, 2016]

14% of all fatal crashes were linked to the use of smartphones

42% of high school students have texted while driving

Teenagers and young adults comprised 36% of casualties.

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Role of Social Media

  • Individuals spend 30% of their weekly online time on social media.�[GlobalWebIndex, 2018]
  • 78% of Internet traffic comes from cell phones. [Nielsen, 2017]

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Research Questions

What is the extent of distracted driving content posting behavior?

Which user demographics correlate with posting distracted driving content?

How does distracted driving content posting behavior vary across cities worldwide?

How does distracted driving content posting behavior vary with time?

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Research Questions

What is the extent of distracted driving content posting behavior?

Which user demographics correlate with posting distracted driving content?

How does distracted driving content posting behavior vary across cities worldwide?

How does distracted driving content posting behavior vary with time?

How can we detect distracted driving content �posted on online social platforms ?

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Data

# Snaps : 6 Million

# Cities: 173

Duration: 1 Month

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Detecting Distracted Driving Content

  • Manually Annotated Training Set
    • 10K snaps (7K negative, 3K positive)
    • Fleiss Kappa Agreement Rate: 0.85
    • Held out set: 5K snaps

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  • Two types of classifiers
    • Image-Based (sample a frame every second) followed by voting
    • Video-Based

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Extent of Distracted Driving Content

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Temporal Analysis

73.51 % more posts

6 PM -�2 AM

6 PM -�2 AM

77.83 % more �distracted driving posts

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Spatial Analysis

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Interesting Insights

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Implications

Potential Targeted Interventions & Educational Campaigns

Location-Based

Time-Based

Demographic-Based

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http://precog.iiitd.edu.in/research/distracted_driving/

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Current State

  • Saving Lives
  • Well-Being on social media
  • Happiness Index

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WASHKaro

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WASHKaro

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Google Playstore experience

  • Removed COVID related, non-government apps
  • Interactions

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https://arxiv.org/pdf/2003.07074.pdf

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http://covibes.tavlab.iiitd.edu.in/

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https://arxiv.org/pdf/2005.05513.pdf

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http://covision.tavlab.iiitd.edu.in/

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http://precog.iiitd.edu.in/research/c4m/

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Data & Code public

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http://precog.iiitd.edu.in/resources.html

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Some potential ideas to pursue

  • Social media behavior
    • Instagram influencers
    • #MainBhiChowkidar
    • Fake News / Misinformation
  • Identity resolution
    • PK - Ponguru - Ponnurangam.Kumaraguru - pkatiiitd

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Thanks!

Questions?

pk@iiitd.ac.in

http://precog.iiitd.edu.in/

@ponguru

pkatiiitd

linkedin/in/ponguru

Let's take a pic!