Accepted papers

Full Papers

I call BS: Fraud Detection in Crowdfunding Campaigns
Beatrice Perez, Sara Machado, Jerone Andrews and Nicolas Kourtellis

Online Coordination: Methods and Comparative Case Studies of Coordinated Groups across Four Events in the United States
Lynnette Ng and Kathleen Carley

The Spread of Propaganda by Coordinated Communities on Social Media
Kristina Hristakieva, Stefano Cresci, Giovanni Da San Martino, Mauro Conti and Preslav Nakov

Characterizing the Social Ties between Black and Tech communities on Twitter
Marisa Vasconcelos, Priscila Rocha, Julio Nogima and Rogerio Paula

Measuring Web Cookies in Governmental Websites
Matthias Götze, Srdjan Matic, Costas Iordanou, Georgios Smaragdakis and Nikolaos Laoutaris

Removal of Anti-Vaccine Content Impacts Social Media Discourse
Tamar Mitts, Nilima Pisharody and Jacob Shapiro

Social Norms on Reddit: A Demographic Analysis
Sara De Candia, Gianmarco De Francisci Morales, Corrado Monti and Francesco Bonchi

Comparing the Language of QAnon-Related Content on Parler, Gab, and Twitter
Andrea Sipka, Aniko Hannak and Aleksandra Urman

Slapping Cats, Bopping Heads, and Oreo Shakes: Understanding Indicators of Virality in TikTok Short Videos
Chen Ling, Jeremy Blackburn, Emiliano De Cristofaro and Gianluca Stringhini

Multi-task Models for Multi-faceted Classification of Pandemic Information on Social Media
Xinchen Yu, Zhuoli Xie, Afra Mashhadi and Lingzi Hong

There is a fine Line between Personalization and Surveillance: Semantic User Interest Tracing via Entity-level Analytics
Amit Kumar and Marc Spaniol

Enhancing Creativity as Innovation via Asynchronous Crowdwork
Pradeep Kumar Murukannaiah, Nirav Ajmeri and Munindar P. Singh

YouTubers Not madeForKids: Detecting Channels Sharing Inappropriate Videos targeting Children
Myrsini Gkolemi, Panagiotis Papadopoulos, Evangelos Markatos and Nicolas Kourtellis

Multimodal Zero-Shot Hateful Meme Detection
Jiawen Zhu, Roy Ka-Wei Lee and Wen Haw Chong

Fork-based user migration in Blockchain Online Social Media
Cheick Tidiane Ba, Andrea Michienzi, Barbara Guidi, Matteo Zignani, Laura Ricci and Sabrina Gaito

Identifying and Characterizing Active Citizens who Refute Misinformation in Social Media
Yida Mu, Pu Niu and Nikolaos Aletras

On pushing DeepFake Tweet Detection capabilities to the limits
Margherita Gambini, Tiziano Fagni, Fabrizio Falchi and Maurizio Tesconi

GNoM: Graph Neural Network Enhanced Language Models for Disaster Related Multilingual Text Classification
Samujjwal Ghosh, Subhadeep Maji and Maunendra Sankar Desarkar

Are Mutated Misinformation More Contagious? A Case Study of COVID-19 Misinformation on Twitter
Muheng Yan, Yu-Ru Lin and Wen-Ting Chung

Analyzing the “Sleeping Giants” Activism Model in Brazil
Barbara Gomes Ribeiro, Manoel Horta Ribeiro, Virgilio Almeida and Wagner Meira Jr.

Socio-Economic Diversity in Human Annotations
Shaoyang Fan, Pınar Barlas, Evgenia Christoforou, Jahna Otterbacher, Shazia Sadiq and Gianluca Demartini

It’s the Same Old Story! Enriching Event-Centric Knowledge Graphs by Narrative Aspects
Florian Plötzky and Wolf-Tilo Balke

The Problem of Semantic Shift in Longitudinal Monitoring of Social Media
Keith Harrigian and Mark Dredze

Auditing Search Query Suggestion Bias Through Recursive Algorithm Interrogation
Fabian Haak and Philipp Schaer

News Consumption in Time of Conflict: 2021 Palestinian-Israel War as an Example
Kareem Darwish

The Drift of #MyBodyMyChoice Discourse on Twitter
Cristina Menghini, Justin Uhr, Shahrzad Haddadan, Ashley Champagne, Bjorn Sandstede and Sohini Ramachandran

Characterizing YouTube and BitChute Content and Mobilizers During U.S. Election Fraud Discussions on Twitter
Matthew Childs, Cody Buntain, Milo Trujillo and Benjamin Horne

LIWC-UD: Classifying Online Slang Terms into LIWC Categories
Mohamed Bahgat, Steve Wilson and Walid Magdy

The Disinformation Dozen: An Exploratory Analysis of Covid-19 Disinformation Proliferation on Twitter
Gianluca Nogara, Padinjaredath Suresh Vishnuprasad, Felipe Cardoso, Omran Ayoub, Silvia Giordano and Luca Luceri

Should we tweet this? Generative response modeling for predicting reception of public health messaging on Twitter.
Abraham Sanders, Debjani Ray-Majumder, John Erickson and Kristin Bennett

Fringe News Networks: Dynamics of US News Viewership Following the 2020 Presidential Election
Ashiqur Khudabukhsh, Rupak Sarkar, Mark Kamlet and Tom Mitchell

Hostility Detection in Online Hindi-English code-mixed Conversations
Aditi Bagora, Kamal Shrestha, Kaushal Maurya and Maunendra Desarkar

HAEM: Obtaining Higher-Quality Classification Task Results with AI workers
Yu Yamashita, Hiroyoshi Ito, Kei Wakabayashi, Masaki Kobayashi and Atsuyuki Morishima

You Have Earned a Trophy: Characterize In-Game Achievements and Their Completions
Haewoon Kwak

Link recommendations: their impact on network structure and minorities
Antonio Ferrara, Lisette Espin-Noboa, Fariba Karimi and Claudia Wagner

A Tale of Two sides: Study of Protesters and Counter-protesters on #CitizenshipAmendmentAct Campaign on Twitter
Kumari Neha, Vibhu Agrawal, Vishwesh Kumar, Tushar Mohan, Abhishek Chopra, Arun Balaji Buduru, Rajesh Sharma and Ponnurangam Kumaraguru

Short Papers

BlackLivesMatter 2020: An Analysis of Deleted and Suspended Users in Twitter
Cagri Toraman, Furkan Şahinuç and Eyup Halit Yilmaz

On the Characteristics of Ranking-based Gender Bias Measures
Anja Klasnja, Negar Arabzadeh, Mahbod Mehrvarz and Ebrahim Bagheri

The Effect of Hiding the Count of Dislikes on the Use of the YouTube Like and Dislike Features
Soon-Gyo Jung, Joni Salminen and Bernard Jansen

Evaluating Digital Polarization in Multi-Party Systems: Evidence from the German Bundestag
Amber Chin, Carolina Coimbra Vieira and Jisu Kim

Desaparecidxs: characterizing the population of missing children using Twitter
Carolina Coimbra Vieira, Diego Alburez-Gutierrez, Marília R. Nepomuceno and Tom Theile

Shift of User Attitudes about Anti-Asian Hate on Reddit Before and During COVID-19
Lydia Manikonda, Rui Fan and Mee Young Um

Opinions on Homeopathy for COVID-19 on Twitter
Jeevith Bopaiah, Kiran Garimella and Ramakanth Kavuluru

Bots don’t Vote, but They Surely Bother!
Eduardo Graells-Garrido and Ricardo Baeza-Yates

Subgraph Representation Learning for Team Mining
Radin Hamidi Rad, Ebrahim Bagheri, Mehdi Kargar, Divesh Srivastava and Jaroslaw Szlichta

Narrative Building in Propaganda Networks on Indian Twitter
Saloni Dash, Arshia Arya, Sukhnidh Kaur and Joyojeet Pal