Research
Information consumption on the Web

This research line focuses on measuring people’s online information consumption behaviors.

Bias & inaccuracies in online news use

This research line focuses on people’s online news use and the biases and inaccuracies in online news production, reception and processing.

Role of algorithmed intermediaries

This research line focuses on investigating the algorithmed online intermediaries such as social media sites, recommendation systems or search engines and the role they play in shaping people’s online information diets.

Projects

Lockdown on the Web

The unequal impact of the COVID­19 pandemic on people’s web browsing behaviour (Funded by University of Konstanz Zukunftskolleg)

News diets & citizenship

A cross-country study combining web tracking data and surveys (Funded by Facebook Research)

Predicting shareworthiness of ‘real’ and ‘fake’ news in Europe

(Funded by SSRC Social Science One)

Political polarization and individualized online information environments

A longitudinal tracking study (Funded by Leibniz Competition)

Comparative search algorithm audit studies

Across platforms, locations, languages, observation periods, topics, search types

Publications
In Journals
In Refereed Conference Proceedings
Others
Theses
  • Misinformation, Believability, and Vaccine Acceptance Over 40 Countries: Takeaways From the Initial Phase of The COVID-19 Infodemic

    K. Singh, G. Lima, M. Cha, C. Cha, J. Kulshrestha, YY. Ahn, & O. Varol
    Under revision at PLOS ONE, 2021

  • Analyzing biases in perception of truth in news stories and their implications for fact checking

    Mahmoudreza Babaei, Juhi Kulshrestha, Abhijnan Chakraborty, Elissa M Redmiles, Meeyoung Cha, Krishna P Gummadi
    IEEE Transactions on Computational Social Systems, doi: 10.1109/TCSS.2021.3096038.

  • Prevalence of Misinformation and Factchecks on the COVID-19 Pandemic in 35 Countries: Observational Infodemiology Study

    Meeyoung Cha, Chiyoung Cha, Karandeep Singh, Gabriel Lima, Yong-Yeol Ahn, Juhi Kulshrestha, Onur Varol
    JMIR Hum Factors 2021;8(1):e23279; doi: 10.2196/23279; PMID: 33395395; PMCID: 7909456

  • Search bias quantification: investigating political bias in social media and web search

    Juhi Kulshrestha, Motahhare Eslami, Johnnatan Messias, Muhammad Bilal Zafar, Saptarshi Ghosh, Krishna Gummadi, Karrie Karahalios
    Information Retrieval Journal (2018): 1-40. DOI 10.1007/s10791-018-9341-2

  • Web Routineness and Limits of Predictability: Investigating Demographic and Behavioral Differences Using Web Tracking Data

    Juhi Kulshrestha, Marcos Oliveira, Orkut Karacalik, Denis Bonnay, Claudia Wagner
    To appear in Proc. AAAI Intl. Conference on Web and Social Media (ICWSM), June 2021

  • Empirical Evaluation of Three Common Assumptions in Building Political Media Bias Datasets

    Soumen Ganguly, Juhi Kulshrestha, Jisun An, Haewoon Kwak
    Short Paper, To appear in Proc. AAAI Intl. Conference on Web and Social Media (ICWSM), June 2020

  • Analyzing Biases in Perception of Truth in News Stories and their Implications for Fact Checking

    Mahmoudreza Babaei, Abhijnan Chakraborty, Juhi Kulshrestha, Elissa M. Redmiles, Meeyoung Cha and Krishna P. Gummadi
    Accepted in the ACM Conference on Fairness, Accountability, and Transparency (FAT*), Atlanta, Georgia, US, January 2019.

    This work was also presented at the European Symposium on Societal Challenges in Computational Social Science (EuroCSS), Cologne, Germany, December 2018 and at the Workshop on Fairness in User Modeling, Adaptation and Personalization (FairUMAP), Singapore, July 2018.

  • Media Bias Monitor: Quantifying Biases of Social Media News Outlets at Large-Scale

    Filipe N. Ribeiro, Lucas Henrique, Fabricio Benevenuto, Abhijnan Chakraborty, Juhi Kulshrestha, Mahmoudreza Babei and Krishna P. Gummadi In Proc. AAAI Intl. Conference on Web and Social Media (ICWSM), Stanford, USA, June 2018

    This work was also presented at the European Symposium on Societal Challenges in Computational Social Science (EuroCSS), Cologne, Germany, December 2018.

  • Purple Feed: Identifying High Consensus News Posts on Social Media

    Mahmoudreza Babaei, Juhi Kulshrestha, Abhijnan Chakraborty, Fabricio Benevenuto, Krishna P. Gummadi and Adrian Weller
    In Proc. AAAI/ACM Conference on Artifical Intelligence, Ethics & Society (AIES), New Orleans, USA, February 2018

  • Quantifying Search Bias: Investigating Sources of Bias for Political Searches in Social Media

    Juhi Kulshrestha, Motahhare Eslami, Johnnatan Messias, Muhammad Bilal Zafar, Saptarshi Ghosh, Krishna Gummadi, Karrie Karahalios
    In Proc. ACM Conference on Computer Supported Cooperative Work & Social Computing (CSCW), Portland, USA, February 2017

    This work has also been presented at the Workshop on Data and Algorithmic Transparency, DAT 2016 and at the GESIS CSS Winter Symposium 2016.

  • The Road to Popularity: The Dilution of Growing Audience on Twitter

    Przemyslaw A. Grabowicz, Mahmoudreza Babaei, Juhi Kulshrestha, Ingmar Weber In Proc. Intl. AAAI Conference on Web and Social Media (ICWSM), Cologne, Germany, May 2016 (Short paper)

  • Characterizing Information Diets of Social Media Users

    Juhi Kulshrestha, Muhammad Bilal Zafar, Lisette Espin Noboa , Krishna P. Gummadi, Saptarshi Ghosh
    In Proc. Intl. AAAI Conference on Web and Social Media (ICWSM), Oxford, UK, May 2015

  • Deep Twitter Diving: Exploring Topical Groups in Microblogs at Scale

    Parantapa Bhattacharya, Saptarshi Ghosh, Muhammad Bilal Zafar, Juhi Kulshrestha, Mainack Mondal, Niloy Ganguly, Krishna P. Gummadi
    In Proc. ACM Conference on Computer Supported Cooperative Work & Social Computing (CSCW), Baltimore, USA, February 2014

  • Geographic Dissection of the Twitter Network

    Juhi Kulshrestha, Farshad Kooti, Ashkan Nikravesh, Krishna P. Gummadi
    In Proc. Intl. AAAI Conference on Web and Social Media (ICWSM), Trinity College Dublin, Ireland, June 2012

  • A Verified Dependable Wireless Safety Critical Hard Real-Time Design

    Hernan Baro Graf, Holger Hermanns, Juhi Kulshrestha, Jens Peter, Anjo Vahldiek, Aravind Vasudevan
    In Proc. IEEE Intl Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM), Lucca, Italy, June 2011

  • Is sharing just a function of viewing? Predictors of sharing political and non-political news on Facebook

    Damian Trilling, Juhi Kulshrestha, Claes de Vreese, Denis Halagiera, Jakub Jakubowski, Judith Moeller, Cornelius Puschmann, Agnieszka Stępińska, Sebastian Stier, Cristian Vaccari
    SocArXiv preprint 10.31235/osf.io/am23n, March 2022

  • Where the Earth is flat and 9/11 is an inside job: A comparative algorithm audit of conspiratorial information in web search results

    Aleksandra Urman, Mykola Makhortykh, Roberto Ulloa, Juhi Kulshrestha
    arXiv preprint arXiv:2112.01278, December 2021

  • Evaluating Social Recommendation Systems

    Juhi Kulshrestha, Muhammad Bilal Zafar, Saptarshi Ghosh, Krishna P. Gummadi
    In Poster Session, Conference on Online Social Networks (COSN), Dublin, Ireland, October 2014

  • Measuring and Managing Information Diets of Social Media Users

    Juhi Kulshrestha
    CSCW Doctoral Colloquium, In Companion - Proc. ACM Conference on Computer Supported Cooperative Work & Social Computing (CSCW), San Francisco, USA, February 2016

  • Reports of the Workshops Held at the 2018 International AAAI Conference on Web and Social Media

    H. B. Graf, H. Hermanns, J. Kulshrestha, J. Peter, A. Vahldiek, & A. Vasudevan
    AI Magazine 39 (4), 36-44, 2018

  • Quantifying & Characterizing Information Diets of Social Media Users

    Juhi Kulshrestha
    Ph.D. Thesis, University of Saarland, 2018
    Advisor : Prof. Dr. Krishna P. Gummadi, Max Planck Institute for Software Systems (MPI-SWS)/ University of Saarland

  • Congestion Control and Fairness for Real-time Media Transmission

    Juhi Kulshrestha
    Master's Thesis, University of Saarland, 2011
    Advisor : Prof. Dr-Ing. Thorsten Herfet, Telecommunication Lab, University of Saarland

Talks
Invited Talks
Conference Talks
  • "Auditing Algorithmically Curated Channels of Consumption on Social Media for Bias & Diversity."

    LIP6, Sorbonne University (Paris, France), January 2019.

  • Panelist: "Measuring Diversity in Algorithmically Personalized News Environments"

    68th Annual Conference of the International Communications Association (ICA), Prague, Czech Republic, May 2018.

  • Invited Panelist: "Investigating algorithmic systems: Algorithm auditing"

    6th Annual Privacy Camp, Brussels, Belgium, January 2018.

  • Invited Panelist: "Can Democracy Survive Big Data and Micro-Profiling in Elections?"

    11th International Conference on Computers, Privacy, and Data Protection (CPDP), Brussels, Belgium, January 2018.

  • Invited Speaker: "Characterizing Effects of Search & Recommendation Systems on Information Consumed by Social Media Users"

    Indian Institute of Technology, Kharagpur, India, January 2016.

  • Invited Speaker: "Characterizing Information Production and Consumption on Online Social Media"

    Indraprastha Institute of Information Technology, New Delhi, India, December 2015.

  • Web Routineness and limits of predictability: Investigating demographic and behavioral differences using web tracking data

    15th International AAAI Conference on Web and Social Media (ICWSM), Online, June 2021

  • Biased or Diverse? Measuring Personalization in Online Search Results

    Talk in Panel “Measuring Diversity in Algorithmically Personalized News Environments” at the Annual Conference of International Communication Association (ICA), Prague, Czech Republic, May 2018

  • Purple Feed: Identifying High Consensus News Posts on Social Media

    AAAI/ACM Conference on Artifical Intelligence, Ethics & Society (AIES), New Orleans, USA, February 2018

  • Quantifying Search Bias: Investigating Sources of Bias for Political Searches in Social Media

    ACM Conference on Computer Supported Cooperative Work & Social Computing (CSCW), Portland, USA, February 2017

  • Measuring and Managing Information Diets of Social Media Users

    Doctoral Colloquium, ACM Conference on Computer Supported Cooperative Work & Social Computing (CSCW), San Francisco, USA, February 2016

  • Characterizing Information Diets of Social Media Users

    AAAI Conference on Web and Social Media (ICWSM), Oxford, UK, May 2015

  • Geographic Dissection of the Twitter Network

    AAAI Conference on Web and Social Media (ICWSM), Trinity College Dublin, Ireland, May 2011

Knowledge Transfer
  • Invited guest: "How to audit algorithms online?"

    Computational Communication Science Podcast, Upcoming.

  • Invited Expert: "The 100 Questions Initiative: Disinformation."

    The Governance Lab,Tandon School of Engineering, NYU (online), June 2020 - January 2021.

  • Invited Expert: "Workshop on assessing the diversity of information & the prominence of journalistic services on YouTube."

    Media Policy Lab, Medienanstalt Berlin-Brandenburg (mabb), Berlin, Germany, February 2020.

  • Invited Expert: "Workshop on diversity in recommender systems."

    Institute for Information Law (IVIR), University of Amsterdam, Amsterdam, The Netherlands, September 2018.

Services
Program committees
Journal reviews
Organization
  • AAAI International Conference on Web and Social Media (ICWSM)

    2014 | 2017 | 2018 | 2019

  • ACM Conference on Web Science (WebSci)

    2016 | 2017 | 2018

  • ACM Conference on Fairness, Accountability, and Transparency (ACM FAT*)

    2019

  • European Symposium Series on Societal Challenges in Computational Social Science, 2018

  • Information, Communication and Society, 2019

  • Transactions on Social Computing, 2019

  • Journal of Web Science, 2019

  • Information Systems Journal (Elsevier), 2017

  • Big Data & Society Journal (Sage), 2017

  • Dataset co-chair

    European Symposium on Societal Challenges in Computational Social Science, 2018

  • Co-organizer, Workshop on Algorithmic Personalization & News

    Colocated with the 12th AAAI International Conference on Web and Social Media (ICWSM 2018)

  • Web chair

    10th AAAI International Conference on Web and Social Media (ICWSM 2016)

  • Co-organizer

    PhDNet's (Max Planck Society's Student Body) interdisciplinary conference - Visions in Science, 2012

Network

Yong-Yeol Ahn

🇺🇸 Computer Science

Jisun An

🇸🇬 Data Science / Computational Social Science

Mahmoudreza Babaei

🇩🇪 Computer Science

Fabrício Benevenuto

🇧🇷 Computer Science

Parantapa Bhattacharya

🇺🇸 Computer Science

Denis Bonnay

🇫🇷 Philosophy / Computational Social Science

Meeyoung Cha

🇰🇷 Computational Social Science / Data Science

Abhijnan Chakraborty

🇮🇳 Computer Science

Motahhare Eslami

🇺🇸 Computer Science

Lisette Espín-Noboa

🇮🇹 Computational Social Science

Niloy Ganguly

🇮🇳 Computer Science

Soumen Ganguly

🇩🇪 Computer Science

Saptarshi Ghosh

🇮🇳 Computer Science

Przemyslaw A. Grabowicz

🇺🇸 Computer Science

Krishna Gummadi

🇩🇪 Computer Science

Uwe Hasebrink

🇩🇪 Communication Science

Holger Hermanns

🇩🇪 Computer Science

Karrie Karahalios

🇺🇸 Computer Science

Farshad Kooti

🇺🇸 Data Science

Haewoon Kwak

🇸🇬 Computer Science / Computational Social Science

Gabriel Lima

🇰🇷 Computer Science

Mykola Makhortykh

🇨🇭 Communication / Media Studies

Lisa Merten

🇩🇪 Communication Science

Johnnatan Messias

🇩🇪 Computer Science

Judith Möller

🇳🇱 Political Communication

Mainack Mondal

🇮🇳 Computer Science

Ashkan Nikravesh

🇺🇸 Computer Science

Anjo Vahldiek-Oberwagner

🇺🇸 Computer Science

Marcos Oliveira

🇬🇧 Computer Science

Cornelius Puschmann

🇩🇪 Media & Communication

Elissa Redmiles

🇩🇪 Computer Science

Filipe Nunes Ribeiro

🇧🇷 Computer Science

Karandeep Singh

🇺🇸 Data Science

Sebastian Stier

🇩🇪 Political Science / Computational Social Science

Damian Trilling

🇳🇱 Communication / Computational Social Science

Roberta Ulloa

🇩🇪 Computational Social Science

Aleksandra Urman

🇨🇭 Political Communication / Computational Social Science

Cristian Vaccari

🇬🇧 Political Communication

Onur Varol

🇹🇷 Computer Science

Aravind Vasudevan

🇺🇸 Computer Science

Claes De Vreese

🇳🇱 Political Communication

Claudia Wagner

🇩🇪 Computational Social Science

Ingmar Weber

🇶🇦 Computational Social Science

Adrian Weller

🇺🇸 Computatioal Science

Katrin Weller

🇩🇪 Computational Social Science

Muhammad Bilal Zafar

🇩🇪 Computational Social Science