manoel horta ribeiro

about me

I'm a final year Ph.D. student at EPFLπŸ‡¨πŸ‡­ working at dlab with Robert West.

I study the impact of content moderation, monetization, and recommender systems in online platforms through a computational perspective.

I am on the job market! Check out my research statement.


2023-06-13 β˜€οΈ This summer I'll work with Sid Suri and Teny Shapiro at Microsoft Research (photo)
2023-06-07 🎬 Presented our paper on "The Amplification Paradox in Recommender Systems" at ICWSM! Peppe and Tiancheng also presented other work I was involved with! (photo)
2023-02-07 🎬 Presented our paper on content removals at WWW! (link)
2023-03-15 πŸ“œ Three papers accepted at ICWSM 2023: "The Amplification Paradox in Recommender Systems", "Quotatives Indicate Decline in Objectivity in US Political News", and "Spillover of Antisocial Behavior from Fringe Platforms: The Unintended Consequences of Community Banning" (link) (link) (link)
2023-03-07 πŸ† I am in Forbes’ 30 Under 30 Class of 2023 in Science & Healthcare (Europe) (link)
2023-02-07 🎬 Gave a talk at the Raditube Workshop at Tec de Monterrey (link)
2023-01-31 πŸ“œ Paper accepted at WebSci 2023: "Understanding Online Migration Decisions Following the Banning of Radical Communities" (link)
2023-01-25 πŸ“œ Paper accepted at TheWebConf 2023: "Automated Content Moderation Increases Adherence to Community Guidelines" (link)
2022-12-16 πŸ† I have received a Teaching Assistant Award at EPFL (photo)
2022-12-08 🎬 Gave a talk at the ETH Chair of Systems Design (photo)
2022-12-07 🎬 Gave an online talk at UFMG (photo)
2022-07-20 🎬 Two oral presentations and two posters at IC2S2 2022! (photo)
2022-06-15 🎬 Gave a second talk at Google Zurich (photo)
2022-06-09 πŸ† I have received a Best Reviewer Award at ICWSM 2022! (link)
2022-06-07 🎬 Presented our paper on post approvals at ICWSM! (link)
2022-05-09 🎬 Gave a talk at the ETH Immigration Policy Lab (link)
2022-03-30 πŸ“œ Paper accepted at Websci 2022: "Analyzing the Sleeping Giants Activism Model in Brazil" (link)
2022-03-18 πŸ“œ Paper accepted at CSCW 2022: "Characterizing Alternative Monetization Strategies on YouTube" (link)
2022-03-30 πŸ“œ Paper accepted at ICWSM 2022: "Post approvals in online communities" (link)
2021-11-02 πŸ“œ Paper out at Nature Scientific Reports: "Volunteer contributions to Wikipedia increased during COVID-19 mobility restrictions" (link)
2021-10-25 🎬 Presented our deplatforming work at CSCW (link)
2021-10-14 πŸ† "Do Platform Migrations Compromise Content Moderation" received a Best Paper Honorable Mention Award at CSCW 2021 (link)
2021-08-25 πŸ“œ Paper out at Nature Communications: "Deep neural network-estimated electrocardiographic age as a mortality predictor " (link)
2021-06-27 🎬 Presented our deplatforming and our Wikipedia + COVID-19 work at IC2S2
2020-02-13 🎬 Gave a talk at MILA (governance of AI discussion group)
2021-06-08 🎬 Presented a couple of papers at ICWSM2021 in (photo)
2021-06-07 β˜€οΈ This summer I'll work with Justin Cheng @ Facebook
2021-04-23 πŸ† I have received a Facebook fellowship award to continue my ongoing work on understanding and improving our information ecosystem (link)
2021-04-13 πŸ“œ Paper accepted at WebSci 2021: "Are Anti-Feminist Communities Gateways to the Far Right? Evidence from Reddit and YouTube (link)
2021-03-24 πŸ“œ Paper accepted at CSCW 2021: "Does Platform Migration Compromise Content Moderation? Evidence from r/The_Donald and r/Incels" (link)
2021-03-19 πŸ“œ Dataset paper accepted at ICWSM 2021: "YouNiverse: Large-Scale Channel and Video Metadata from English-Speaking YouTube" (link)
2020-11-20 πŸ† My MSc thesis was won 3rd place in the SBC (Brazilian Computing Society) Master Thesis Awards (link)
2020-07-15 πŸ“œ Two papers accepted at ICWSM 2021: "The Evolution of the Manosphere Across the Web" and "Sudden Attention Shifts on Wikipedia During the COVID-19 Crisis" (link) (link)
2020-04-09 πŸ“œ Paper out at Nature Communications: "Automatic diagnosis of the 12-lead ECG using a deep neural network", check photo for picture of 1/4th of authors (link) (photo)
2020-02-13 🎬 Gave a talk at Google Zurich (photo)
2020-01-28 🎬 Presented "Auditing Radicalization Pathways on YouTube" at FAT*2020 in Barcelona (link)
2019-12-17 πŸ† "Auditing Radicalization Pathways on YouTube" was considered one of the top 100 most influential papers in 2019 (3rd in Computer Science) (link)
2019-11-20 πŸ“œ Paper accepted at FAT*2020: "Auditing Radicalization Pathways on YouTube" (link)
2019-08-31 πŸŽ’Moved to Switzerland to do my PhD @ EPFL! (photo)
2019-08-13 πŸŽ“ Defended my MSc Thesis: "Misinformation, Radicalization and Hate Through the Lens of Users" (photo)
2019-05-19 🎬 Presented "Message Distortion in Information Cascades" at the TheWebConf 2019, in San Francisco (link) (photo)
2019-01-21 πŸ“œ Paper accepted at TheWebConf 2019: "Message Distortion in Information Cascades" (link)
2018-10-24 πŸ† Google will be sponsoring my MSc research through their Latin America Research Award (link) (photo)
2018-07-01 β˜€οΈ This summer I'll work with Bob West at the Summer@EPFL program (link) (photo)
2018-07-22 🎬 Presented "Characterizing and Detecting Hateful Users on Twitter" in ICWSM 2018, at Stanford (link)
2018-03-22 πŸ“œ Paper accepted at ICWSM 2018: "Characterizing and Detecting Hateful Users on Twitter" (link)
2017-08-12 πŸŽ’ Attended the Cornell, Maryland, Max Planck Pre-doctoral Research School (photo)
2017-08-01 πŸŽ’ Joined UFMG MSc program
2017-07-26 πŸ† Won Best Graduating Student Award for my BSc degree at UFMG
2017-07-19 πŸŽ“ Got a BSc in Computer Science from UFMG in a super formal ceremony (photo)