Modeling and Analyzing the Video Game Live-Streaming Community. - Gustavo Nascimento; Manoel Horta Ribeiro; Loïc Cerf; Natalia Cesario; Mehdi Kaytoue; Chedy Raïssi; Thiago Vasconcelos; Wagner Meira Jr. (LA-WEB, 2014)

Complexity-Aware Assignment of Latent Values in Discriminative Models for Accurate Gesture Recognition. - Manoel Horta Ribeiro; Bruno Teixeira; Antônio Otávio Fernandes; Wagner Meira Jr.; Erickson R. Nascimento (SIBGRAPI, 2016)

Portinari: A Data Exploration Tool to Personalize Cervical Cancer Screening. - Sagar Sen; Manoel Horta Ribeiro; Raquel Cardoso de Melo Minardi; Wagner Meira Jr.; Mari Nygård (ICSE-SEIS, 2017)

"Everything I Disagree With is #FakeNews": Correlating Political Polarization and Spread of Misinformation. - Manoel Horta Ribeiro; Pedro H. Calais; Virgílio A. F. Almeida; Wagner Meira Jr. (CoRR, 2017)

Characterizing and Detecting Hateful Users on Twitter. - Manoel Horta Ribeiro; Pedro H. Calais; Yuri A. Santos; Virgílio A. F. Almeida; Wagner Meira Jr. (ICWSM, 2018)

"Like Sheep Among Wolves": Characterizing Hateful Users on Twitter. - Manoel Horta Ribeiro; Pedro H. Calais; Yuri A. Santos; Virgílio A. F. Almeida; Wagner Meira Jr. (CoRR, 2018)

Automatic Diagnosis of Short-Duration 12-Lead ECG using a Deep Convolutional Network. - Antônio H. Ribeiro; Manoel Horta Ribeiro; Gabriela Paixão; Derick M. de Oliveira; Paulo R. Gomes; Jéssica A. Canazart; Milton P. S. Ferreira; Wagner Meira Jr.; Thomas B. Schön; Antônio Luiz P. Ribeiro (CoRR, 2018)

Scalable and Efficient Data Analytics and Mining with Lemonade. - Walter Santos; Gustavo de P. Avelar; Manoel Horta Ribeiro; Dorgival O. Guedes; Wagner Meira Jr. (Proc. VLDB Endow., 2018)

Message Distortion in Information Cascades. - Manoel Horta Ribeiro; Kristina Gligoric; Robert West 001 (WWW, 2019)

Automatic Diagnosis of the Short-Duration 12-Lead ECG using a Deep Neural Network: the CODE Study. - Antônio H. Ribeiro; Manoel Horta Ribeiro; Gabriela M. M. Paixão; Derick M. de Oliveira; Paulo R. Gomes; Jéssica A. Canazart; Milton P. S. Ferreira; Carl R. Andersson; Peter W. Macfarlane; Wagner Meira Jr.; Thomas B. Schön; Antônio Luiz P. Ribeiro (CoRR, 2019)

Automatic 12-lead ECG Classification Using a Convolutional Network Ensemble. - Antônio H. Ribeiro; Daniel Gedon; Daniel Martins Teixeira; Manoel Horta Ribeiro; Antônio Luiz Pinho Ribeiro; Thomas B. Schön; Wagner Meira Jr. (CinC, 2020)

Auditing radicalization pathways on YouTube. - Manoel Horta Ribeiro; Raphael Ottoni; Robert West 001; Virgílio A. F. Almeida; Wagner Meira Jr. (FAT*, 2020)

Analyzing YouTube Videos Shared on Whatsapp in the Early COVID-19 Crisis. - Marisa Vasconcelos; Erica Pereira; Samuel S. Guimarães; Manoel Horta Ribeiro; Philipe F. Melo; Fabrício Benevenuto (WebMedia, 2020)

From Pick-Up Artists to Incels: A Data-Driven Sketch of the Manosphere. - Manoel Horta Ribeiro; Jeremy Blackburn; Barry Bradlyn; Emiliano De Cristofaro; Gianluca Stringhini; Summer Long; Stephanie Greenberg; Savvas Zannettou (CoRR, 2020)

Sudden Attention Shifts on Wikipedia Following COVID-19 Mobility Restrictions. - Manoel Horta Ribeiro; Kristina Gligoric; Maxime Peyrard; Florian Lemmerich; Markus Strohmaier; Robert West 001 (CoRR, 2020)

Experts and authorities receive disproportionate attention on Twitter during the COVID-19 crisis. - Kristina Gligoric; Manoel Horta Ribeiro; Martin Müller; Olesia Altunina; Maxime Peyrard; Marcel Salathé; Giovanni Colavizza; Robert West 001 (CoRR, 2020)

Does Platform Migration Compromise Content Moderation? Evidence from r/The_Donald and r/Incels. - Manoel Horta Ribeiro; Shagun Jhaver; Savvas Zannettou; Jeremy Blackburn; Emiliano De Cristofaro; Gianluca Stringhini; Robert West 001 (CoRR, 2020)

Annotated 12 lead ECG dataset. - Antônio H. Ribeiro; Manoel Horta Ribeiro; Gabriela M. M. Paixão; Derick M. de Oliveira; Paulo R. Gomes; Jéssica A. Canazart; Milton P. S. Ferreira; Carl R. Andersson; Peter W. Macfarlane; Wagner Meira Jr.; Thomas B. Schön; Antônio Luiz P. Ribeiro (Zenodo, 2020)

Annotated 12-lead ECG dataset. - Antônio H. Ribeiro; Manoel Horta Ribeiro; Gabriela M. M. Paixão; Derick M. de Oliveira; Paulo R. Gomes; Jéssica A. Canazart; Milton P. S. Ferreira; Carl R. Andersson; Peter W. Macfarlane; Wagner Meira Jr.; Thomas B. Schön; Antônio Luiz P. Ribeiro (Zenodo, 2020)

Annotated 12-lead ECG dataset. - Antônio H. Ribeiro; Manoel Horta Ribeiro; Gabriela M. M. Paixão; Derick M. de Oliveira; Paulo R. Gomes; Jéssica A. Canazart; Milton P. S. Ferreira; Carl R. Andersson; Peter W. Macfarlane; Wagner Meira Jr.; Thomas B. Schön; Antônio Luiz P. Ribeiro (Zenodo, 2020)

CODE-test: An annotated 12-lead ECG dataset. - Antônio H. Ribeiro; Manoel Horta Ribeiro; Gabriela M. M. Paixão; Derick M. de Oliveira; Paulo R. Gomes; Jéssica A. Canazart; Milton P. S. Ferreira; Carl R. Andersson; Peter W. Macfarlane; Wagner Meira Jr.; Thomas B. Schön; Antônio Luiz P. Ribeiro (Zenodo, 2020)

YouNiverse: Large-Scale Channel and Video Metadata from English-Speaking YouTube. - Manoel Horta Ribeiro; Robert West 001 (ICWSM, 2021)

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 (ICWSM, 2021)

Sudden Attention Shifts on Wikipedia During the COVID-19 Crisis. - Manoel Horta Ribeiro; Kristina Gligoric; Maxime Peyrard; Florian Lemmerich; Markus Strohmaier; Robert West 001 (ICWSM, 2021)

Are Anti-Feminist Communities Gateways to the Far Right? Evidence from Reddit and YouTube. - Robin Mamié; Manoel Horta Ribeiro; Robert West 001 (WebSci, 2021)

Volunteer contributions to Wikipedia increased during COVID-19 mobility restrictions. - Thorsten Ruprechter; Manoel Horta Ribeiro; Tiago Santos; Florian Lemmerich; Markus Strohmaier; Robert West 001; Denis Helic (CoRR, 2021)

Follow the Money: Analyzing @slpng_giants_pt's Strategy to Combat Misinformation. - Bárbara Gomes Ribeiro; Manoel Horta Ribeiro; Virgílio A. F. Almeida; Wagner Meira Jr. (CoRR, 2021)

What do fact checkers fact-check when? - Manoel Horta Ribeiro; Savvas Zannettou; Oana Goga; Fabrício Benevenuto; Robert West 001 (CoRR, 2021)

Do Platform Migrations Compromise Content Moderation? Evidence from r/The_Donald and r/Incels. - Manoel Horta Ribeiro; Shagun Jhaver; Savvas Zannettou; Jeremy Blackburn; Gianluca Stringhini; Emiliano De Cristofaro; Robert West 001 (Proc. ACM Hum. Comput. Interact., 2021)

CODE-15%: a large scale annotated dataset of 12-lead ECGs. - Antônio H. Ribeiro; Gabriela M. M. Paixão; Emilly M. Lima; Manoel Horta Ribeiro; Marcelo M. Pinto Filho; Paulo R. Gomes; Derick M. de Oliveira; Wagner Meira Jr.; Thomas B. Schön; Antônio Luiz P. Ribeiro (Zenodo, 2021)

Sami-Trop: 12-lead ECG traces with age and mortality annotations. - Antônio Luiz P. Ribeiro; Antônio H. Ribeiro; Gabriela M. M. Paixão; Emilly M. Lima; Manoel Horta Ribeiro; Marcelo M. Pinto Filho; Paulo R. Gomes; Derick M. de Oliveira; Wagner Meira Jr.; Thomas B. Schön; Ester C. Sabino (Zenodo, 2021)

Post Approvals in Online Communities. - Manoel Horta Ribeiro; Justin Cheng; Robert West 001 (ICWSM, 2022)

Can online attention signals help fact-checkers to fact-check? - Manoel Horta Ribeiro; Savvas Zannettou; Oana Goga; Fabrício Benevenuto; Robert West 001 (ICWSM Workshops, 2022)

Analyzing the "Sleeping Giants" Activism Model in Brazil. - Bárbara Gomes Ribeiro; Manoel Horta Ribeiro; Virgílio A. F. Almeida; Wagner Meira Jr. (WebSci, 2022)

Characterizing Alternative Monetization Strategies on YouTube. - Yiqing Hua; Manoel Horta Ribeiro; Thomas Ristenpart; Robert West 001; Mor Naaman (Proc. ACM Hum. Comput. Interact., 2022)

ACTI at EVALITA 2023: Automatic Conspiracy Theory Identification Task Overview (short paper). - Giuseppe Russo Latona; Niklas Stoehr; Manoel Horta Ribeiro (EVALITA, 2023)

Quotatives Indicate Decline in Objectivity in U.S. Political News. - Tiancheng Hu; Manoel Horta Ribeiro; Robert West 001; Andreas Spitz (ICWSM, 2023)

The Amplification Paradox in Recommender Systems. - Manoel Horta Ribeiro; Veniamin Veselovsky; Robert West 001 (ICWSM, 2023)

Spillover of Antisocial Behavior from Fringe Platforms: The Unintended Consequences of Community Banning. - Giuseppe Russo Latona; Luca Verginer; Manoel Horta Ribeiro; Giona Casiraghi (ICWSM, 2023)

Understanding Online Migration Decisions Following the Banning of Radical Communities. - Giuseppe Russo Latona; Manoel Horta Ribeiro; Giona Casiraghi; Luca Verginer (WebSci, 2023)

Automated Content Moderation Increases Adherence to Community Guidelines. - Manoel Horta Ribeiro; Justin Cheng; Robert West 001 (WWW, 2023)

Generating Faithful Synthetic Data with Large Language Models: A Case Study in Computational Social Science. - Veniamin Veselovsky; Manoel Horta Ribeiro; Akhil Arora 001; Martin Josifoski; Ashton Anderson; Robert West 001 (CoRR, 2023)

Artificial Artificial Artificial Intelligence: Crowd Workers Widely Use Large Language Models for Text Production Tasks. - Veniamin Veselovsky; Manoel Horta Ribeiro; Robert West 001 (CoRR, 2023)

ACTI at EVALITA 2023: Overview of the Conspiracy Theory Identification Task. - Giuseppe Russo Latona; Niklas Stoehr; Manoel Horta Ribeiro (CoRR, 2023)

Causally estimating the effect of YouTube's recommender system using counterfactual bots. - Homa Hosseinmardi; Amir Ghasemian; Miguel Rivera-Lanas; Manoel Horta Ribeiro; Robert West 001; Duncan J. Watts (CoRR, 2023)

Community-Driven Models for Research on Social Platforms. - Sanjay Kairam; Michael S. Bernstein; Amy S. Bruckman; Stevie Chancellor; Eshwar Chandrasekharan; Munmun De Choudhury; Casey Fiesler; Hanlin Li; Nicholas Proferes; Manoel Horta Ribeiro; C. Estelle Smith; Galen Cassebeer Weld (CSCW Companion, 2024)

Can Language Models Recognize Convincing Arguments? - Paula Rescala; Manoel Horta Ribeiro; Tiancheng Hu; Robert West 001 (EMNLP (Findings), 2024)

Tube2Vec: Social and Semantic Embeddings of YouTube Channels. - Léopaul Boesinger; Manoel Horta Ribeiro; Veniamin Veselovsky; Robert West 001 (ICWSM, 2024)

Stranger Danger! Cross-Community Interactions with Fringe Users Increase the Growth of Fringe Communities on Reddit. - Giuseppe Russo Latona; Manoel Horta Ribeiro; Robert West 001 (ICWSM, 2024)

On the Conversational Persuasiveness of Large Language Models: A Randomized Controlled Trial. - Francesco Salvi; Manoel Horta Ribeiro; Riccardo Gallotti; Robert West 001 (CoRR, 2024)

The AI Review Lottery: Widespread AI-Assisted Peer Reviews Boost Paper Scores and Acceptance Rates. - Giuseppe Russo Latona; Manoel Horta Ribeiro; Tim R. Davidson; Veniamin Veselovsky; Robert West 001 (CoRR, 2024)

Could ChatGPT get an Engineering Degree? Evaluating Higher Education Vulnerability to AI Assistants. - Beatriz Borges; Negar Foroutan; Deniz Bayazit; Anna Sotnikova; Syrielle Montariol; Tanya Nazaretzky; Mohammadreza Banaei; Alireza Sakhaeirad; Philippe Servant; Seyed Parsa Neshaei; Jibril Frej; Angelika Romanou; et al. (CoRR, 2024)

Redefining Research Crowdsourcing: Incorporating Human Feedback with LLM-Powered Digital Twins: Incorporating Human Feedback with LLM-Powered Digital Twins. - Amanda Chan; Catherine Di; Joseph Rupertus; Gary D. Smith; Varun Nagaraj Rao; Manoel Horta Ribeiro; Andrés Monroy-Hernández (CHI Extended Abstracts, 2025)

Human Subjects Research in the Age of Generative AI: Opportunities and Challenges of Applying LLM-Simulated Data to HCI Studies. - Angel Hsing-Chi Hwang; Michael S. Bernstein; S. Shyam Sundar; Renwen Zhang; Manoel Horta Ribeiro; Yingdan Lu; Serina Chang; Tongshuang Wu; Aimei Yang; Dmitri Williams; Joon Sung Park; Katherine Ognyanova; et al. (CHI Extended Abstracts, 2025)

Protection from Evil and Good: The Differential Effects of Page Protection on Wikipedia Article Quality. - Thorsten Ruprechter; Manoel Horta Ribeiro; Robert West 001; Denis Helic (ICWSM, 2025)

Does Content Moderation Lead Users Away from Fringe Movements? Evidence from a Recovery Community. - Giuseppe Russo; Maciej Styczen; Manoel Horta Ribeiro; Robert West 001 (ICWSM, 2025)

The Effects of Enterprise Social Media on Communication Networks. - Manoel Horta Ribeiro; Teny Shapiro; Siddharth Suri (WebSci, 2025)

Deplatforming Norm-Violating Influencers on Social Media Reduces Overall Online Attention Toward Them. - Manoel Horta Ribeiro; Shagun Jhaver; Jordi Cluet-i-Martinell; Marie Reignier-Tayar; Robert West 001 (Proc. ACM Hum. Comput. Interact., 2025)

Post Guidance for Online Communities. - Manoel Horta Ribeiro; Robert West 001; Ryan Lewis; Sanjay Kairam (Proc. ACM Hum. Comput. Interact., 2025)

Economics of Sourcing Human Data. - Sebastin Santy; Prasanta Bhattacharya; Manoel Horta Ribeiro; Kelsey Allen; Sewoong Oh (CoRR, 2025)

Prevalence and Prevention of Large Language Model Use in Crowd Work. - Veniamin Veselovsky; Manoel Horta Ribeiro; Philip Cozzolino; Andrew Gordon; David M. Rothschild; Robert West 001 (Commun. ACM, 2025)

Redefining Research Crowdsourcing: Incorporating Human Feedback with LLM-Powered Digital Twins. - Amanda Chan; Catherine Di; Joseph Rupertus; Gary D. Smith; Varun Nagaraj Rao; Manoel Horta Ribeiro; Andrés Monroy-Hernández (CoRR, 2025)

Understanding Community-Level Blocklists in Decentralized Social Media. - Owen Xingjian Zhang; Sohyeon Hwang; Yuhan Liu; Manoel Horta Ribeiro; Andrés Monroy-Hernández (CoRR, 2025)

Chameleon Channels: Measuring YouTube Accounts Repurposed for Deception and Profit. - Alejandro Cuevas; Manoel Horta Ribeiro; Nicolas Christin (CoRR, 2025)