Tuğrulcan Elmas

About Me

I am a Postdoctoral Scholar at Indiana University at Bloomington working with Prof. Dr. Filippo Menczer and Prof. Dr. Alessandro Flammini at Observatory on Social Media (OSOME). I also collaborate with Prof. Dr. Karl Aberer and Dr. Remi Lebret from EPFL and Prof. Dr. Rebekah Overdorf and Prof. Dr. Mathias Humbert from UNIL, Switzerland.

My research focuses on computational approaches to understand and counter social media manipulation. I’m also interested in understanding and describing humans’ interactions with each other on social media platforms and with the platforms themselves. I use a combination of security, data science and computational social science methods to conduct my research.

I received my Ph.D. from EPFL, under supervision of Prof. Dr. Karl Aberer in 2022, and my B.S. from Bilkent University in 2017.

My DMs are always open!
If you are a student looking for professional advice, feel free to email me: tugrulcanelmas at gmail.com

Publications

• Analyzing Activity and Suspension Patterns of Twitter Bots Attacking Turkish Twitter Trends by a Longitudinal Dataset
  Tuğrulcan Elmas
  International Workshop on Cyber Social Threats CySoc 2023 (colocated with WebConf 2023).
  [PDF] [Data] Workshop Paper

• The Impact of Data Persistence Bias on Social Media Studies
  Tuğrulcan Elmas
  15th ACM Web Science Conference WebSci 2023.
  [PDF] [Data] Full Paper

• The Role of Compromised Accounts in Social Media Manipulation
  Tuğrulcan Elmas
  [PDF] Ph.D. Thesis

• Misleading Repurposing on Twitter
  Tuğrulcan Elmas, Rebekah Overdorf, Karl Aberer
  17th International Conference On Web And Social Media ICWSM 2023.
  [PDF] Full Paper

• Characterizing Retweet Bots: The Case of Black Market Accounts
  Tuğrulcan Elmas, Rebekah Overdorf, Karl Aberer
  16th International Conference On Web And Social Media ICWSM 2022.
  [PDF] [Data] Full Paper

• Ephemeral Astroturfing Attacks: The Case of Fake Twitter Trends
  Tuğrulcan Elmas, Rebekah Overdorf, Ahmed Furkan Özkalay, Karl Aberer
  2021 IEEE European Symposium on Security and Privacy Euro S&P 2021.
  [PDF] [Code] Full Paper
  Featured in The Next Web, ACM Technews, Le Temps, Mashable ME, Atlantic, Anadolu Agency, Milliyet, Hacker News, Ekşi Sözlük, Countless Others

• WayPop Machine: A Wayback Machine to Investigate Popularity and Root Out Trolls
  Tuğrulcan Elmas, Thomas Romain Ibanez, Alexandre Hutter, Rebekah Overdorf, Karl Aberer
  International Symposium on Foundations of Open Source Intelligence and Security Informatics FOSINT-SI 2022 (colocated with ASONAM 2022).
  Workshop Paper

• A Dataset of State-Censored Tweets
  Tuğrulcan Elmas, Rebekah Overdorf, Karl Aberer
  15th International Conference On Web And Social Media ICWSM 2021.
  [PDF] [Data] Dataset Paper

• Tactical Reframing of Disinformation Campaigns Against the Istanbul Convention
  Tuğrulcan Elmas, Rebekah Overdorf, Karl Aberer
  Data for the Welbeing of Most Vulnerable colocated with ICWSM 2021.
  [PDF] Workshop Paper

• Can Celebrities Burst Your Bubble
  Tuğrulcan Elmas, Kristina Hardi, Rebekah Overdorf, Karl Aberer
  Innovative Ideas in Data Science (colocated with WebConf 2020).
  MISINFO (colocated with WebConf 2021).
  [PDF] Workshop Paper

Preprints

• Opinion Mining from YouTube Captions Using ChatGPT: A Case Study of Street Interviews Polling the 2023 Turkish Elections

Teaching Assistant

• Distributed Information Systems 2018-2021
• Applied Data Science Fall 2018
• Introduction à la Programmation Fall 2019

Services

• PC Member: WebSci 2023
• Conference Reviewer: ICWSM 2022, Euro S&P 2021, EDBT 2021, ICDE 2020, IEEE CIC 2019, CIKM 2019, WISE 2018, IEEE Big Data 2018
• Journal Reviewer: Turkish Journal Of Electrical Engineering & Computer Sciences, Online Social Networks and Media

Media

• Interviewed by Cüneyt Özdemir
• Guest at Dijital Hayat / TRT Radyo
• Interviews while being the president of Turquia1912
• Directed the Short Film Lemongrass

Misc

• Deanonimized author of the popular Turkish blog azimliyazar.blogspot.com (4+ million views)
• President of Switzerland Turkish Student Association (2019-2021)
• Bilkent University Ultimate Frisbee Team (2015-2017) - Fencing Team (2017) - Orienteering Team (2015)
• Developer of @DisinfoNews - A Twitter Bot to share disinformation related tweets (https://twitter.com/DisinfoNews)

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