# "This is Fake News": Characterizing the Spontaneous Debunking from Twitter Users to COVID-19 False Information
 
        
            Kunihiro Miyazaki, Takayuki Uchiba, Kenji Tanaka, Jisun An, Haewoon Kwak, and Kazutoshi Sasahara
            ICWSM 2023 (To appear) 
            
            arXiv
        
 # Is ChatGPT better than Human Annotators? Potential and Limitations of ChatGPT in Explaining Implicit Hate Speech
 
        
            Fan Huang, Haewoon Kwak, Jisun An 
            ACM Web Conference (Short paper) 2023 (To appear) 
            
            arXiv
        
 # Chain of Explanation: New Prompting Method to Generate Higher Quality Natural Language Explanation for Implicit Hate Speech
 
        
            Fan Huang, Haewoon Kwak, Jisun An 
            ACM Web Conference (Short paper) 2023 (To appear) 
            
            arXiv
        
 # Political Wearing Masks Implies Refuting Trump?: Towards Target-specific User Stance Prediction across Events in COVID-19 and US Election 2020
 
        
            Hong Zhang, Haewoon Kwak, Wei Gao, Jisun An 
            ACM Web Science Conference (WebSci) 2023 (To appear) 
            Link | PDF | arXiv
        
 # Political Honeymoon Effect on Social Media: Characterizing Social Media Reaction to the Changes of Prime Minister in Japan
 
        
            Kunihiro Miyazaki, Taichi Murayama, Akira Matsui, Masaru Nishikawa, Takayuki Uchiba, Haewoon Kwak, Jisun An
            ACM Web Science Conference (WebSci) 2023 (To appear) 
            Link | PDF | arXiv
        
 # Characterizing Spontaneous Ideation Contest on Social Media: Case Study on the Name Change of Facebook to Meta
 
        
            Kunihiro Miyazaki, Takayuki Uchiba, Haewoon Kwak, Jisun An
            Big Data (Short paper) 2022 
            Link | PDF | arXiv
        
 # Who is Missing? Characterizing the Participation of Different Demographic Groups in a Korean Nationwide Daily Conversation Corpus
 
        
            Haewoon Kwak, Jisun An, Kunwoo Park
            ICWSM (Short paper) 2022 
            Link | PDF | arXiv
        
 # Measuring 9 Emotions of News Posts from 8 News Organizations across 4 Social Media Platforms for 8 Months
 
        
            Kholoud Khalil Aldous, Jisun An, and Bernard J. Jansen
            ACM Transactions on Social Computing 2022 
            Link | PDF | arXiv
        
 # What Really Matters?: Characterising and Predicting User Engagement of News Postings using Multiple Platforms, Sentiments and Topics
 
        
            Kholoud Khalil Aldous, Jisun An, and Bernard J. Jansen
            Behaviour & Information Technology 2022 
            Link | PDF | arXiv
        
 # Storm the Capitol: Linking Offline Political Speech and Online Twitter Extra-Representational Participation on QAnon and the January 6 Insurrection
 
        
            Claire Seungeun Lee, Juan Merizalde, John D Colautti, Jisun An, Haewoon Kwak
            Frontiers in Sociology 2022 
            Link | PDF | arXiv
        
 # Modeling political activism around gun debate via social media
 
        
            Yelena Mejova, Jisun An, Gianmarco De Francisci Morales, and Haewoon Kwak
            ACM Transactions on Social Computing 2022 
            Link | PDF | arXiv
        
 # Precision Public Health Campaign: Delivering Persuasive Messages to Relevant Segments Through Targeted Advertisements on Social Media
 
        
            Jisun An, Haewoon Kwak, Hanya M. Qureshi, and Ingmar Weber
            JMIR Formative Research 2021 
            Link | PDF | arXiv
        
 # Predicting Anti-Asian Hateful Users on Twitter during COVID-19
 
        
            Jisun An, Haewoon Kwak, Claire Seungeun Lee, Bogang Jun, and Yong-Yeol Ahn
            EMNLP-IJCNLP Findings 2021 
            Link | PDF | arXiv
        
 # Estimating Homophily in Social Networks Using Dyadic Predictions
 
        
            George Berry, Antonio Sirianni, Ingmar Weber, Jisun An, and Michael Macy
            Sociological Science 2021 
            Link | PDF | arXiv
        
 # FrameAxis: Characterizing Framing Bias and Intensity with Word Embedding
 
        
            Haewoon Kwak, Jisun An, Yong-Yeol Ahn 
            PeerJ Computer Science 2021 
            Link | PDF | arXiv
        
 # Populist Supporters on Reddit: A Comparison of Content and Behavioral Patterns Within Publics of Supporters of Donald Trump and Hillary Clinton
 
        
            Andreas Jungherr, Oliver Posegga, Jisun An
            Social Science Computer Review 2021 
            Link | PDF | arXiv
        
 # Knowledge and Anxiety about COVID-19 in the State of Qatar, and the Middle East and North Africa Region--A Cross Sectional Study
 
        
            Sathyanarayanan Doraiswamy, Sohaila Cheema, Patrick Maisonneuve, Amit Abraham, Ingmar Weber, Jisun An, Albert B. Lowenfels, and Ravinder Mamtani
            International Journal of Environmental Research and Public Health 2021 
            Link | PDF | arXiv
        
 # How-to Present News on Social Media: A Causal Analysis of Editing News Headlines for Boosting User Engagement
 
        
            Kunwoo Park, Haewoon Kwak, Jisun An, Sanjay Chawla
            ICWSM 2021 
            Link | PDF | arXiv
        
 # Identifying and Characterizing Alternative News Media on Facebook
 
        
            Samuel S. Guimares, Julio C. S. Reis, Lucas Lima, Filipe N. Ribeiro, Marisa Vasconcelos, Jisun An, and Haewoon Kwak, Fabrcio Benevenuto
            ASONAM 2020 
            Link | PDF | arXiv
        
 # A Systematic Media Frame Analysis of 1.5 Million New York Times Articles from 2000 to 2017
 
        
            Haewoon Kwak, Jisun An, Yong-Yeol Ahn 
            ACM Web Science Conference (WebSci) 2020 
            Link | PDF | arXiv
        
 # What Was Written vs. Who Read It: News Media Profiling Using Text Analysis and Social Media Context
 
        
            Ramy Baly, Georgi Karadzhov, Jisun An, Haewoon Kwak, Yoan Dinkov, Ahmed Ali, James Glass, Preslav Nakov 
            ACL 2020 
            Link | PDF | arXiv 
        
 # Empirical Evaluation of Three Common Assumptions in Building Political Media Bias Datasets
 
        
            Soumen Ganguly, Juhi Kulshrestha, Jisun An, Haewoon Kwak 
            ICWSM 2020 
            Link | PDF | arXiv
        
 # Persona Perception Scale: Development and Exploratory Validation of an Instrument for Evaluating Individuals' Perceptions of Personas
 
        
            Joni Salminen, Joao M. Santos, Haewoon Kwak, Jisun An, Soon-gyo Jung, Bernard J. Jansen 
            International Journal of Human-Computer Studies 2020 
            Link | PDF | arXiv
        
 # Tanbih: Get To Know What You Are Reading
 
        
            Yifan Zhang, Giovanni Da San Martino, Alberto Barrón-Cedeño, Salvatore Romeo, Jisun An, Haewoon Kwak, Todor Staykovski, Israa Jaradat, Georgi Karadzhov, Ramy Baly, Kareem Darwish, James Glass, Preslav Nakov 
            EMNLP-IJCNLP (System Demonstrations) 2019 
            Link | PDF | arXiv
        
 # View, Like, Comment, Post: Analyzing User Engagement by Topic at 4 Levels across 5 Social Media Platforms for 53 News Organizations
 
        
            Kholoud Khalil Aldous, Jisun An, Bernard J. Jansen 
            ICWSM 2019 
            Link | PDF | arXiv
        
 # Political Discussions in Homogeneous and Cross-Cutting Communication Spaces
 
        
            Jisun An, Haewoon Kwak, Oliver Posegga, Andreas Jungherr 
            ICWSM 2019 
            Link | PDF | arXiv
        
 # The Challenges of Creating Engaging Content: Results from a Focus Group Study of a Popular News Media Organization
 
        
            Kholoud Khalil Aldous, Jisun An, Bernard J. Jansen 
            CHI (Extended Abstracts) 2019 
            Link | PDF | arXiv
        
 # Stylistic Features Usage: Similarities and Differences Using Multiple Social Networks
 
        
            Kholoud Khalil Aldous, Jisun An, Bernard J. Jansen 
            Social Informatics (SocInfo) 2019 
            Link | PDF | arXiv
        
 # Social media mining for journalism
 
        
            Arkaitz Zubiaga, Bahareh Heravi, Jisun An, Haewoon Kwak 
            Online Information Review 2019 
            Link | PDF | arXiv
        
 # Predicting Audience Engagement Across Social Media Platforms in the News Domain
 
        
            Kholoud Khalil Aldous, Jisun An, Bernard J. Jansen 
            Social Informatics (SocInfo) 2019 
            Link | PDF | arXiv
        
 # Gender and Racial Diversity in Commercial Brands' Advertising Images on Social Media
 
        
            Jisun An, Haewoon Kwak 
            Social Informatics (SocInfo) 2019 
            Link | PDF | arXiv
        
 # Discursive Power in Contemporary Media Systems: A Comparative Framework
 
        
            Andreas Jungherr, Oliver Posegga, Jisun An 
            The International Journal of Press/Politics (IJPP) 2019 
            Link | PDF | arXiv
        
 # Confusion Prediction from Eye-Tracking Data: Experiments with Machine Learning
 
        
            Joni Salminen, Mridul Nagpal, Haewoon Kwak, Jisun An, Soon-gyo Jung, Bernard J. Jansen
            Information Systems and Technologies (IST) 2019 
            Link | PDF | arXiv
        
 # Automatic Persona Generation for Online Content Creators: Conceptual Rationale and a Research Agenda
 
        
            Joni Salminen, Bernard J. Jansen, Jisun An, Haewoon Kwak, Soon-Gyo Jung
            Personas - User Focused Design 2019 
            Link | PDF | arXiv
        
 # Reports of the Workshops Held at the 2018 International AAAI Conference on Web and Social Media
 
        
            Managing Editor, Jisun An, Rumi Chunara, David J. Crandall, Darian Frajberg, Megan French, Bernard J. Jansen, Juhi Kulshrestha, Yelena Mejova, Daniel M. Romero, Joni Salminen, Amit Sharma, Amit Sheth, Chenhao Tan, Samuel Hardman Taylor, Sanjaya Wijeratne
            AI Magazine 2018 
            Link | PDF | arXiv
        
 # Imaginary People Representing Real Numbers: Generating Personas from Online Social Media Data
 
        
            J. An, H. Kwak, S. Jung, J. Salminen, M. Admad, B. Jansen 
            ACM Transactions on the Web (TWEB) 2018 
            Link | PDF | arXiv
        
 # SemAxis: A Lightweight Framework to Characterize Domain-Specific Word Semantics Beyond Sentiment
 
        
            Jisun An, Haewoon Kwak, Yong-Yeol Ahn 
            ACL 2018 
            Link | PDF | arXiv
        
 # What We Read, What We Search: Media Attention and Public Attention Among 193 Countries
 
        
            Haewoon Kwak, Jisun An, Joni Salminen, Soon-Gyo Jung, Bernard J. Jansen 
            WWW 2018 
            Link | PDF | arXiv
        
 # Persona Perception Scale: Developing and Validating an Instrument for Human-Like Representations of Data
 
        
            Joni Salminen, Haewoon Kwak, João M. Santos, Soon-Gyo Jung, Jisun An, Bernard J. Jansen 
            CHI (Extended Abstracts) 2018 
            Link | PDF | arXiv
        
 # From 2,772 segments to five personas: Summarizing a diverse online audience by generating culturally adapted personas
 
        
            Joni Salminen, Sercan Şengün, Haewoon Kwak, Bernard J Jansen, Jisun An, Soon-gyo Jung, Sarah Vieweg, D Fox Harrell 
            First Monday 2018 
            Link | PDF | arXiv
        
 # Fixation and Confusion: Investigating Eye-Tracking Participants' Exposure to Information in Personas
 
        
            Joni Salminen, Bernard J. Jansen, Jisun An, Soon-Gyo Jung, Lene Nielsen, Haewoon Kwak
            CHIIR 2018 
            Link | PDF | arXiv
        
 # Findings of a User Study of Automatically Generated Personas
 
        
            Joni Salminen, Soon-Gyo Jung, Jisun An, Haewoon Kwak, Bernard J. Jansen
            Extended Abstracts of the 2018 CHI Conference on Human Factors in Computing Systems (CHI) 2018 
            Link | PDF | arXiv
        
 # Diversity in Online Advertising: A Case Study of 69 Brands on Social Media
 
        
            Jisun An, Ingmar Weber
            Social Informatics (SocInfo) 2018 
            Link | PDF | arXiv
        
 # Customer segmentation using online platforms: isolating behavioral and demographic segments for persona creation via aggregated user data
 
        
            Jisun An, Haewoon Kwak, Soon-gyo Jung, Joni Salminen, Bernard J Jansen
            Social Network Analysis and Mining (SNAM) 2018 
            Link | PDF | arXiv
        
 # Automatic Persona Generation (APG): A Rationale and Demonstration
 
        
            Soon-gyo Jung, Joni Salminen, Haewoon Kwak, Jisun An, Bernard J. Jansen
            Proceedings of the 2018 Conference on Human Information Interaction & Retrieval (CHIIR) 2018 
            Link | PDF | arXiv
        
 # Assessing the Accuracy of Four Popular Face Recognition Tools for Inferring Gender, Age, and Race
 
        
            Soon-gyo Jung, Jisun An, Haewoon Kwak, Joni Salminen, Bernard Jansen
            ICWSM 2018 
            Link | PDF | arXiv
        
 # Are personas done?: Evaluating the usefulness of personas in the age of online analytics
 
        
            Joni Salminen, Bernard J Jansen, Jisun An, Haewoon Kwak, Soon-Gyo Jung
            Persona Studies 2018 
            Link | PDF | arXiv
        
 # Anatomy of Online Hate: Developing a Taxonomy and Machine Learning Models for Identifying and Classifying Hate in Online News Media
 
        
            Joni Salminen, Hind Almerekhi, Milica Milenković, Soon-gyo Jung, Jisun An, Haewoon Kwak, Bernard Jansen
            ICWSM 2018 
            Link | PDF | arXiv
        
 # 'Is More Better?': Impact of Multiple Photos on Perception of Persona Profiles
 
        
            Joni Salminen, Lene Nielsen, Soon-Gyo Jung, Jisun An, Haewoon Kwak, Bernard J. Jansen
            CHI 2018 
            Link | PDF | arXiv
        
 # Reports of the Workshops Held at the 2017 International AAAI Conference on Web and Social Media
 
        
            Jisun An, Giovanni Luca Ciampaglia, Nir Grinberg, Kenneth Joseph, Alexios Mantzarlis, Gregory Maus, Filippo Menczer, Nicholas Proferes, Brooke Foucault Welles
            AI Magazine 2017 
            Link | PDF | arXiv
        
 # Leveraging Social Analytics Data for Identifying Customer Segments for Online News Media
 
        
            B. J. Jansen, S. Jung, J. Salminen, J. An, H. Kwak
            2017 IEEE/ACS 14th International Conference on Computer Systems and Applications (AICCSA) 2017 
            Link | PDF | arXiv
        
 # Generating Cultural Personas from Social Data: A Perspective of Middle Eastern Users
 
        
            J. Salminen, S. Sengün, H. Kwak, B. Jansen, J. An, S. Jung, S. Vieweg, D. F. Harrell
            2017 5th International Conference on Future Internet of Things and Cloud Workshops (FiCloudW) 2017 
            Link | PDF | arXiv
        
 # Who Are Your Users? Comparing Media Professionals' Preconception of Users to Data-Driven Personas
 
        
            Lene Nielsen, Soon-Gyo Jung, Jisun An, Joni Salminen, Haewoon Kwak, Bernard J. Jansen 
            Proceedings of the 29th Australian Conference on Computer-Human Interaction 2017 
            Link | PDF | arXiv
        
 # What Gets Media Attention and How Media Attention Evolves Over Time: Large-Scale Empirical Evidence from 196 Countries
 
        
            Jisun An, Haewon Kwak 
            WWW 2017 
            Link | PDF | arXiv
        
 # Viewed by too many or viewed too little: Using information dissemination for audience segmentation
 
        
            Bernard J. Jansen, Soon-Gyo Jung, Joni Salminen, Jisun An, Haewoon Kwak 
            Proceedings of the Association for Information Science and Technology (ASIS&T) 2017 
            Link | PDF | arXiv
        
 # Reports of the Workshops Held at the 2016 International AAAI Conference on Web and Social Media
 
        
            Jisun An, David J. Crandall, Roman Fedorov, Casey Fiesler, Fabio Giglietto, Bahareh Heravi, Jessica Pater, Konstantinos Pelechrinis, Daniele Quercia, Katrin Weller, Arkaitz Zubiaga 
            AI Magazine 2017 
            Link | PDF | arXiv
        
 # Personas for Content Creators via Decomposed Aggregate Audience Statistics
 
        
            Jisun An, Haewoon Kwak, Bernard J. Jansen 
            ASONAM 2017 
            Link | PDF | arXiv
        
 # Persona Generation from Aggregated Social Media Data
 
        
            Soon-Gyo Jung, Jisun An, Haewoon Kwak, Moeed Ahmad, Lene Nielsen, Bernard J. Jansen
            CHI (Extended Abstracts) 2017 
            Link | PDF | arXiv
        
 # Multiplex Media Attention and Disregard Network among 129 Countries
 
        
            Haewoon Kwak, Jisun An
            ASONAM 2017 
            Link | PDF | arXiv
        
 # Multidimensional Analysis of the News Consumption of Different Demographic Groups on a Nationwide Scale
 
        
            Jisun An, Haewoon Kwak
            Social Informatics (SocInfo) 2017 
            Link | PDF | arXiv
        
 # Inferring social media users' demographics from profile pictures: A Face++ analysis on Twitter users
 
        
            Soon-Gyo Jung, Jisun An, Haewoon Kwak, Joni Salminen, Bernard J Jansen
            Proceedings of 17th International Conference on Electronic Business 2017 
            Link | PDF | arXiv
        
 # Demographics of News Sharing in the U.S. Twittersphere
 
        
            Julio C.S. Reis, Haewoon Kwak, Jisun An, Johnnatan Messias, Fabrício Benevenuto
            Hypertext 2017 
            Link | PDF | arXiv
        
 # Data-Driven Approach to Measuring the Level of Press Freedom Using Media Attention Diversity from Unfiltered News
 
        
            Jisun An, Haewon Kwak
            NECO 2017 
            Link | PDF | arXiv
        
 # Convergence of Media Attention Across 129 Countries
 
        
            Jisun An, Hassan Aldarbesti, Haewoon Kwak
            Social Informatics (SocInfo) 2017 
            Link | PDF | arXiv
        
 # Validating social media data for automatic persona generation
 
        
            J. An, H. Kwak, B. J. Jansen
            2016 IEEE/ACS 13th International Conference of Computer Systems and Applications (AICCSA) 2016 
            Link | PDF | arXiv
        
 # Towards Automatic Persona Generation Using Social Media
 
        
            J. An, H. Cho, H. Kwak, M. Z. Hassen, B. J. Jansen
            2016 IEEE 4th International Conference on Future Internet of Things and Cloud Workshops (FiCloudW) 2016 
            Link | PDF | arXiv
        
 # Two Tales of the World: Comparison of Widely Used World News Datasets GDELT and EventRegistry
 
        
            Haewoon Kwak, Jisun An
            NECO 2016 
            Link | PDF | arXiv
        
 # Revealing the Hidden Patterns of News Photos: Analysis of Millions of News Photos through GDELT and Deep Learning-based Vision APIs
 
        
            Haewoon Kwak, Jisun An
            NECO 2016 
            Link | PDF | arXiv
        
 # High correlation of Middle East respiratory syndrome spread with Google search and Twitter trends in Korea
 
        
            Soo-Yong Shin, Dong-Woo Seo, Jisun An, Haewoon Kwak, Sung-Han Kim, Jin Gwack, Min-Woo Jo
            Scientific reports 2016 
            Link | PDF | arXiv
        
 # Are You Charlie or Ahmed? Cultural Pluralism in Charlie Hebdo Response on Twitter
 
        
            Jisun An, Haewoon Kwak, Yelena Mejova, Sonia Alonso Saenz De Oger, Braulio Gomez Fortes
            ICWSM 2016 
            Link | PDF | arXiv
        
 # #greysanatomy vs. #yankees: Demographics and Hashtag Use on Twitter
 
        
            Jisun An, Ingmar Weber
            ICWSM 2016 
            Link | PDF | arXiv
        
 # Whom should we sense in social sensing-analyzing which users work best for social media now-casting
 
        
            Jisun An, Ingmar Weber
            EPJ Data Science 2015 
            Link | PDF | arXiv
        
 # Consumers and suppliers: attention asymmetries. A case study of Al Jazeera's news coverage and comments
 
        
            S. Abbar, A. Jisun, H. Kwak, M. Yacine, B. H. Javier
            Computational Journalism Symposium 2015 
            Link | PDF | arXiv
        
 # Breaking the News: First Impressions Matter on Online News
 
        
            Julio Rieis, Fabrício de Souza, Pedro Vaz de Melo, Raquel Prates, Haewoon Kwak, Jisun An
            ICWSM 2015 
            Link | PDF | arXiv
        
 # Understanding News Geography and Major Determinants of Global News Coverage of Disasters
 
        
            Haewoon Kwak, Jisun An
            Computational Journalism Symposium 2014 
            Link | PDF | arXiv
        
 # Sharing political news: the balancing act of intimacy and socialization in selective exposure
 
        
            Jisun An, Daniele Quercia, Meeyoung Cha, Krishna Gummadi, Jon Crowcroft
            EPJ Data Science 2014 
            Link | PDF | arXiv
        
 # Recommending Investors for Crowdfunding Projects
 
        
            Jisun An, Daniele Quercia, Jon Crowcroft
            WWW 2014 
            Link | PDF | arXiv
        
 # Partisan Sharing: Facebook Evidence and Societal Consequences
 
        
            Jisun An, Daniele Quercia, Jon Crowcroft
            Proceedings of the Second ACM Conference on Online Social Networks (COSN) 2014 
            Link | PDF | arXiv
        
 # A first look at global news coverage of disasters by using the gdelt dataset
 
        
            Haewoon Kwak, Jisun An
            Social Informatics (SocInfo) 2014 
            Link | PDF | arXiv
        
 # Why Individuals Seek Diverse Opinions (or Why They Don't)
 
        
            Jisun An, Daniele Quercia, Jon Crowcroft
            ACM Web Science Conference (WebSci) 2013 
            Link | PDF | arXiv
        
 # Why Do I Retweet It? An Information Propagation Model for Microblogs
 
        
            Fabio Pezzoni, Jisun An, Andrea Passarella, Jon Crowcroft, Marco Conti
            ACM Web Science Conference (WebSci) 2013 
            Link | PDF | arXiv
        
 # Traditional Media Seen from Social Media
 
        
            Jisun An, Daniele Quercia, Meeyoung Cha, Krishna Gummadi, Jon Crowcroft
            ACM Web Science Conference (WebSci) 2013 
            Link | PDF | arXiv
        
 # Fragmented Social Media: A Look into Selective Exposure to Political News
 
        
            Jisun An, Daniele Quercia, Jon Crowcroft
            WWW 2013 
            Link | PDF | arXiv
        
 # Visualizing Media Bias through Twitter
 
        
            Jisun An, Meeyoung Cha, Krishna Gummadi, Jon Crowcroft, Daniele Quercia
            SocMed 2012 
            Link | PDF | arXiv
        
 # Media Landscape in Twitter: A World of New Conventions and Political Diversity
 
        
            Jisun An, Meeyoung Cha, Krishna Gummadi, Jon Crowcroft
            ICWSM 2011 
            Link | PDF | arXiv
        
 # A social transitivity-based data dissemination scheme for opportunistic networks
 
        
            Jaesung Ku, Yangwoo Ko, Jisun An, Dongman Lee
            2010 IEEE International Symposium on A World of Wireless, Mobile and Multimedia Networks (WoWMoM) 2010 
            Link | PDF | arXiv