Full Papers:

Market Forces: Quantifying the Role of Top Credible Ad Servers in the Fake News Ecosystem

Lia Bozarth, Ceren Budak

Uncovering Coordinated Networks on Social Media: Methods and Case Studies

Diogo Pacheco, Pik-Mai Hui, Christopher Torres-Lugo, Bao Tran Truong, Alessandro Flammini, Filippo Menczer

Context-Based Quotation Recommendation

Ansel MacLaughlin, Tao Chen, Burcu Karagol Ayan, Dan Roth

Posting Bot Detection on Blockchain-based Social Media Platform using Machine Learning Techniques

Taehyun Kim, Hyomin Shin, Hyung Ju Hwang, Seungwon Jeong

The Effect of Moderation on Online Mental Health Conversations

David Wadden, Tal August, Qisheng Li, Tim Althoff

Learning to Classify Morals and Conventions: Artificial Intelligence in Terms of the Economics of Convention

David Solans, Christopher Tauchmann, Aideen Farrell, Karolin Kappler, Hans-Hendrik Huber, Carlos Castillo, Kristian Kersting

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

Juhi Kulshrestha, Marcos Oliveira, Orkut Karaçalık, Denis Bonnay, Claudia Wagner

Group Link Prediction Using Conditional Variational Autoencoder

Hao Sha, Mohammad Al Hasan, George Mohler

Automatic Discovery of Political Meme Genres with Diverse Appearances

William Theisen, Joel Brogan, Pamela Bilo Thomas, Daniel Moreira, Pascal Phoa, Tim Weninger, Walter Scheirer

Textual Analysis and Timely Detection of Suspended Social Media Accounts

Dominic Seyler, Shulong Tan, Dingcheng Li, Jingyuan Zhang, Ping Li

Multilayer Graph Association Rules for Link Prediction

Michele Coscia, Michael Szell

Perceptions of Retrospective Edits, Changes, and Deletion on Social Media

Günce Su Yılmaz, Fiona Gasaway, Blase Ur, Mainack Mondal

X-Posts Explained: Analyzing and Predicting Controversial Contributions in Thematically Diverse Reddit Forums

Anna Guimarães, Gerhard Weikum

Assessing Media Bias in Cross-Linguistic and Cross-National Populations

Allan Sales, Albin Zehe, Leandro Balby Marinho, Adriano Veloso, Andreas Hotho, Janna Omeliyanenko

No Walk in the Park: The Viability and Fairness of Social Media Analysis for Parks and Recreational Policy Making

Afra Mashhadi, Samantha G. Winder, Emilia H. Lia, Spencer A. Wood

Discovering and Categorising Language Biases in Reddit

Xavier Ferrer, Tom van Nuenen, Jose M. Such, Natalia Criado

"Call me sexist, but..." : Revisiting Sexism Detection Using Psychological Scales and Adversarial Samples

Mattia Samory, Indira Sen, Julian Kohne, Fabian Flöck, Claudia Wagner

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

Variation in Situational Awareness Information due to Selection of Data Source, Summarization Method, and Method Implementation

M. Janina Sarol, Ly Dinh, Jana Diesner

Cannot Predict Comment Volume of a News Article before (a few) Users Read It

Lihong He, Chen Shen, Arjun Mukherjee, Slobodan Vucetic, Eduard Dragut

The Evolution of the Manosphere across the Web

Manoel Horta Ribeiro, Jeremy Blackburn, Barry Bradlyn, Emiliano De Cristofaro, Gianluca Stringhini, Summer Long, Stephanie Greenberg, Savvas Zannettou

Identifying Misinformation from Website Screenshots

Sara Abdali, Rutuja Gurav, Siddharth Menon, Daniel Fonseca, Negin Entezari, Neil Shah, Evangelos E. Papalexakis

Political Depolarization of News Articles Using Attribute-Aware Word Embeddings

Ruibo Liu, Lili Wang, Chenyan Jia, Soroush Vosoughi

MILE: A Multi-Level Framework for Scalable Graph Embedding

Jiongqian Liang, Saket Gurukar, Srinivasan Parthasarathy

Network Inference from a Mixture of Diffusion Models for Fake News Mitigation

Karishma Sharma, Xinran He, Sungyong Seo, Yan Liu

On Predicting Personal Values of Social Media Users using Community-Specific Language Features and Personal Value Correlation

Amila Silva, Pei-Chi Lo, Ee Peng Lim

Embeddings-Based Clustering for Target Specific Stances: The Case of a Polarized Turkey

Ammar Rashed, Mucahid Kutlu, Kareem Darwish, Tamer Elsayed, Cansın Bayrak

Which Node Attribute Prediction Task Are We Solving? Within-Network, Across-Network, or Across-Layer Tasks

Kristen M. Altenburger, Johan Ugander

Discourse Parsing for Contentious, Non-Convergent Online Discussions

Stepan Zakharov, Omri Hadar, Tovit Hakak, Dina Grossman, Yifat Ben-David Kolikant, Oren Tsur

Experience-Driven Peer Effects: Evidence from a Large Natural Experiment

William Cai, Johan Ugander

It's a Thin Line Between Love and Hate: Using the Echo in Modeling Dynamics of Racist Online Communities

Eyal Arviv, Simo Hanouna, Oren Tsur

PopFactor: Live-Streamer Behavior and Popularity

Robert Netzorg, Lauren Arnett, Augustin Chaintreau, Eugene Wu

An Analysis of Replies to Trump's Tweets

Zijian An, Kenneth Joseph

The Healthy States of America: Creating a Health Taxonomy with Social Media

Sanja Šćepanović, Luca Maria Aiello, Ke Zhou, Sagar Joglekar, Daniele Quercia

Understanding the Invitation Acceptance in Agent-initiated Social E-commerce

Fengli Xu, Guozhen Zhang, Yuan Yuan, Hongjia Huang, Diyi Yang, Depeng Jin, Yong Li

Expertise and Dynamics within Crowdsourced Musical Knowledge Curation: A Case Study of the Genius Platform

Derek Lim, Austin R. Benson

Fair Representation Learning for Heterogeneous Information Networks

Ziqian Zeng, Rashidul Islam, Kamrun Naher Keya, James Foulds, Yangqiu Song, Shimei Pan

Deception Detection in Group Video Conversations using Dynamic Interaction Networks

Srijan Kumar, Chongyang Bai, Venkatramanan Siva Subrahmanian, Jure Leskovec

Machine Learning Explanations to Prevent Overtrust in Fake News Detection

Sina Mohseni, Fan Yang, Shiva Pentyala, Mengnan Du, Yi Liu, Nic Lupfer, Xia Hu, Shuiwang Ji, Eric Ragan

Social Facilitation Among Gamblers: A Large-Scale Study Using Account-Based Data

Niklas Hopfgartner, Tiago Santos, Michael Auer, Mark Griffiths, Denis Helic

Political Polarization in Online News Consumption

Kiran Garimella, Tim Smith, Rebecca Weiss, Robert West

You Don't Know How I Feel: Insider-Outsider Perspective Gaps in Cyberbullying Risk Detection

Seunghyun Kim, Afsaneh Razi, Gianluca Stringhini, Pamela J. Wisniewski, Munmun De Choudhury

On the Role of Micro-categories to Characterize Event Popularity in Meetup

Ayan Kumar Bhowmick, Soumajit Pramanik, Sayan Pathak, Bivas Mitra

How Medical Crowdfunding Helps People? A Large-scale Case Study on the Waterdrop Fundraising

Junjie Huang, Huawei Shen, Qi Cao, Li Cai, Xueqi Cheng

Sudden Attention Shifts on Wikipedia During the COVID-19 Crisis

Manoel Horta Ribeiro, Kristina Gligorić, Maxime Peyrard, Florian Lemmerich, Markus Strohmaier, Robert West

Modeling Collective Anticipation and Response on Wikipedia

Ryota Kobayashi, Patrick Gildersleve, Takeaki Uno, Renaud Lambiotte

Cross-Partisan Discussions on YouTube: Conservatives Talk to Liberals but Liberals Don't Talk to Conservatives

Siqi Wu, Paul Resnick

The Media During the Rise of Trump: Identity Politics, Immigration, "Mexican" Demonization and Hate-Crime

Orestis Papakyriakopoulos, Ethan Zuckerman

Misinformation Adoption or Rejection in the Era of COVID-19

Maxwell Weinzierl, Suellen Hopfer, Sanda M. Harabagiu

Understanding the Diverging User Trajectories in Highly-related Online Communities during the COVID-19 Pandemic

Jason Shuo Zhang, Brian Keegan, Qin Lv, Chenhao Tan

Political Bias and Factualness in News Sharing across more than 100,000 Online Communities

Galen Weld, Maria Glenski, Tim Althoff

Measuring Societal Biases from Text Corpora with Smoothed First-Order Co-occurrence

Navid Rekabsaz, Robert West, James Henderson, Allan Hanbury

"I Won the Election!": An Empirical Analysis of Soft Moderation Interventions on Twitter

Savvas Zannettou

CEAM: The Effectiveness of Cyclic and Ephemeral Attention Models of User Behavior on Social Platforms

Farhan Asif Chowdhury, Yozen Liu, Koustuv Saha, Nicholas Vincent, Leonardo Neves, Neil Shah, Maarten W. Bos

Under the Spotlight: Web Tracking in Indian Partisan News Websites

Vibhor Agarwal, Yash Vekaria, Pushkal Agarwal, Sangeeta Mahapatra, Shounak Set, Sakthi Balan Muthiah, Nishanth Sastry, Nicolas Kourtellis

Political Discussion is Abundant in Non-political Subreddits (and Less Toxic)

Ashwin Rajadesingan, Ceren Budak, Paul Resnick

Understanding the Use of Fauxtography on Social Media

Yuping Wang, Fatemeh Tahmasbi, Jeremy Blackburn, Barry Bradlyn, Emiliano De Cristofaro, David Magerman, Savvas Zannettou, Gianluca Stringhini

Representation of music creators on Wikipedia, differences in gender and genre

Alice Wang, Aasish Pappu, Henriette Cramer

Global Gender Differences in Wikipedia Readership

Isaac Johnson, Florian Lemmerich, Diego Sáez-Trumper, Robert West, Markus Strohmaier, Leila Zia

Coordinated Behavior on Social Media in 2019 UK General Election

Leonardo Nizzoli, Serena Tardelli, Marco Avvenuti, Stefano Cresci, Maurizio Tesconi

Partisan Responses to Fact-Checking in Online News Platforms: Evidence from a Political Rumor about the North Korean Leader

TaeYoung Kang, Jaeung Sim

Evaluating Audience Loyalty and Authenticity in Influencer Marketing via Multi-task Multi-relational Learning

Seungbae Kim, Xiusi Chen, Jyun-Yu Jiang, Jinyoung Han, Wei Wang

An Embedding-based Joint Sentiment-Topic Model for Short Texts

Ayan Sengupta, William Scott Paka, Suman Roy, Gaurav Ranjan, Tanmoy Chakraborty

Towards Emotion- and Time-Aware Classification of Tweets to Assist Human Moderation for Suicide Prevention

Ramit Sawhney, Harshit Joshi, Alicia Nobles, Rajiv Ratn Shah

User Identity Linkage for Different Behavioral Patterns across Domains

Genki Kusano, Masafumi Oyamada

RAFFMAN: Measuring and Analyzing Sentiment in Online Political Forum Discussions with an Application to the Trump Impeachment

Jakapun Tachaiya, Joobin Gharibshah, Kevin E. Esterling, Michalis Faloutsos

More than meets the tie: Examining the Role of Interpersonal Relationships in Social Networks

Minje Choi, Ceren Budak, Daniel M. Romero, David Jurgens

RecTen: A Recursive Hierarchical Low Rank Tensor Factorization Method to Discover Hierarchical Patterns from Multi-modal Data

Risul Islam, Md Omar Faruk Rokon, Evangelos E. Papalexakis, Michalis Faloutsos

On Positive Moderation Decisions

Mattia Samory

Online Communication Shifts in the Midst of the Covid-19 Pandemic: A Case Study on Snapchat

Qi Yang, Weinan Wang, Lucas Pierce, Rajan Vaish, Xiaolin Shi, Neil Shah

Exercise? I thought you said 'Extra Fries': Leveraging Sentence Demarcations and Multi-hop Attention for Meme Affect Analysis

Shraman Pramanick, Md Shad Akhtar, Tanmoy Chakraborty

Computational Analysis of Bot Activity in the Asia-Pacific: A Comparative Study of Four National Elections

Joshua Uyheng, Kathleen M. Carley

Understanding the Dynamics between Vaping and Cannabis Legalization Using Twitter Opinions

Shishir Adhikari, Akshay Uppal, Robin Mermelstein, Tanya Berger-Wolf, Elena Zheleva

Multilingual Contextual Affective Analysis of LGBT People Portrayals in Wikipedia

Chan Young Park, Xinru Yan, Anjalie Field, Yulia Tsvetkov

Analysis of Twitter Users' Lifestyle Choices using Joint Embedding Model

Tunazzina Islam, Dan Goldwasser

Imagine All the People: Characterizing Social Music Sharing on Reddit

Veniamin Veselovsky, Isaac Waller, Ashton Anderson

How Metaphors Impact Political Discourse: A Large-Scale Topic-Agnostic Study Using Neural Metaphor Detection

Vinodkumar Prabhakaran, Marek Rei, Ekaterina Shutova

Management responses and gender bias: Evidence from the hotel industry

Davide Proserpio, Isamar Troncoso, Francesca Valsesia

Estimating the impact of Airbnb on the local economy: Evidence from the restaurant industry

Yongseok Kim, Davide Proserpio, Suman Basuroy

Posters:

Studying Moral-based Differences in the Framing of Political Tweets

Markus Reiter-Haas, Simone Kopeinik, Elisabeth Lex

Classifying Reasonability in Retellings of Personal Events Shared on Social Media: A Preliminary Case Study with /r/AmITheAsshole

Ethan Haworth, Ted Grover, Justin Langston, Ankush Patel, Joseph West, Alex C. Williams

Evolution of Retweet Rates in Twitter User Careers: Analysis and Model

Kiran Garimella, Robert West

Risk-aware Regularization for Opinion-based Portfolio Selection

Ting-Wei Hsu, Chung-Chi Chen, Hen-Hsen Huang, Hsin-Hsi Chen

A Research Agenda for Financial Opinion Mining

Chung-Chi Chen, Hen-Hsen Huang, Hsin-Hsi Chen

American Politicians Diverge Systematically, Indian Politicians do so Chaotically: Text Embeddings as a Window into Party Polarization

Amar Budhiraja, Ankur Sharma, Rahul Agrawal, Monojit Choudhury, Joyojeet Pal

Well-Being Depends on Social Comparison: Hierarchical Models of Twitter Language Suggest That Richer Neighbors Make You Less Happy

Salvatore Giorgi, Sharath Chandra Guntuku, Johannes C. Eichstaedt, Claire Pajot, H. Andrew Schwartz, Lyle H. Ungar

Datasets:

VoterFraud2020: a Multi-modal Dataset of Election Fraud Claims on Twitter

Anton Abilov, Yiqing Hua, Hana Matatov, Ofra Amir, Mor Naaman

Tracking Knowledge Propagation Across Wikipedia Languages

Rodolfo Vieira Valentim, Giovanni Comarela, Souneil Park, Diego Sáez-Trumper

Check Mate: Prioritizing User Generated Multi-Media Content for Fact-Checking

Tarunima Prabhakar, Anushree Gupta, Kruttika Nadig, Denny George

Fighting the COVID-19 Infodemic in Social Media: A Holistic Perspective and a Call to Arms

Firoj Alam, Fahim Dalvi, Shaden Shaar, Nadir Durrani, Hamdy Mubarak, Alex Nikolov, Giovanni Da San Martino, Ahmed Abdelali, Hassan Sajjad, Kareem Darwish, Preslav Nakov

YouNiverse: Large-Scale Channel and Video Metadata from English-Speaking YouTube

Manoel Horta Ribeiro, Robert West

CrisisBench: Benchmarking Crisis-related Social Media Datasets for Humanitarian Information Processing

Firoj Alam, Hassan Sajjad, Muhammad Imran, Ferda Ofli

A Dataset of State-Censored Tweets

Tuğrulcan Elmas, Rebekah Overdorf, Karl Aberer

HumAID: Human-Annotated Disaster Incidents Data from Twitter with Deep Learning Benchmarks

Firoj Alam, Umair Qazi, Muhammad Imran, Ferda Ofli

ABOME: A Multi-platform Data Repository of Artificially Boosted Online Media Entities

Hridoy Sankar Dutta, Udit Arora, Tanmoy Chakraborty

CoVaxxy: A Collection of English-Language Twitter Posts About COVID-19 Vaccines

Matthew R. DeVerna, Francesco Pierri, Bao Tran Truong, John Bollenbacher, David Axelrod, Niklas Loynes, Christopher Torres-Lugo, Kai-Cheng Yang, Filippo Menczer, John Bryden

What's Your Value of Travel Time? Collecting Traveler-Centered Mobility Data via Crowdsourcing

Cristian Consonni, Silvia Basile, Matteo Manca, Ludovico Boratto, Andrè Freitas, Tatiana Kovacikova, Ghadir Pourhashem, Yannick Cornet

COVID-19 Coverage By Cable and Broadcast Networks

Ceren Budak, Ashley Muddiman, Yujin Kim, Caroline C. Murray, Natalie J. Stroud

A Dataset of Multidimensional and Multilingual Social Opinions for Malta's Annual Government Budget

Keith Cortis, Brian Davis

Memes, Radicalisation, and the Promotion of Violence on Chan Sites

Blyth Crawford, Florence Keen, Guillermo Suarez-Tangil

Media Cloud: Massive Open Source Collection of Global News on the Open Web

Hal Roberts, Rahul Bhargava, Linas Valiukas, Dennis Jen, Momin M. Malik, Cindy Sherman Bishop, Emily B. Ndulue, Aashka Dave, Justin Clark, Bruce Etling, Robert Faris, Anushka Shah, Jasmin Rubinovitz, Alexis Hope, Catherine D'Ignazio, Fernando Bermejo, Yochai Benkler, Ethan Zuckerman

A Large Open Dataset from the Parler Social Network

Max Aliapoulios, Emmi Bevensee, Jeremy Blackburn, Barry Bradlyn, Emiliano De Cristofaro, Gianluca Stringhini, Savvas Zannettou

Demos:

SIGNLENS: A Tool for Analyzing People's Polarization Social Relationship Based on Signed Graph Modeling

Junjie Huang, Huawei Shen, Xueqi Cheng

ESG Tracker: Unbiased and Explainable ESG Profile from Real-time Data

Elaheh Momeni, Constantin Fraenkel, Patrick Kiss, Andreas Burgmann