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Manoel Horta Ribeiro is a computer scientist and a professor at Princeton University.[1] Ribeiro is recognized for his work on online platforms, studying recommender systems[2][3] and the impact of generative AI.[4][5]
Biography
editRibeiro received a BSc and an MSc in Computer Science from the Federal University of Minas Gerais[6] and a Ph.D. in Computer Science from EPFL, advised by Robert West.[7] Following his PhD, he then joined the Princeton’s Computer Science Department.[1]
In 2020, in a paper published at the ACM Conference on Fairness, Accountability, Ribeiro and co-authors found evidence of a radicalization pipeline on YouTube, finding that users “systematically progress towards more extreme content on the platform.”[8][9] Later work indicated that this process was driven largely by user preferences rather than YouTube’s algorithm.[3]
In other work, Ribeiro has studied the impact of generative AI systems on online platforms. His research found that AI chatbots are persuasive in debates,[5] which indicates that AIs might be used for targeted persuasion campaigns.[10] Further, he found that they are widely used in crowdsourcing platforms like MTurk and Prolific, threatening the integrity of research that relies on these platforms.[4]
Honors and awards
editRibeiro has received multiple honors and awards, including:
References
edit- ^ a b Office of Communications (2024-10-02). "Board approves 22 new faculty appointments". www.princeton.edu. Retrieved 2024-12-04.
- ^ a b "Forbes 30 Under 30 2023: Science & Healthcare". Forbes. Retrieved 2024-12-04.
- ^ a b "YouTube has managed to stop its algorithm serving up extreme videos". New Scientist. 2024-02-27. Retrieved 2024-12-04.
- ^ a b "AI could accelerate scientific fraud as well as progress". The Economist. ISSN 0013-0613. Retrieved 2024-12-04.
- ^ a b "AI chatbots beat humans at persuading their opponents in debates". New Scientist. Retrieved 2024-12-04.
- ^ "Algoritmos parciais". revistapesquisa.fapesp.br (in Brazilian Portuguese). Retrieved 2024-12-04.
- ^ Horta Ribeiro, Manoel (2024). Content Moderation in Online Platforms (Thesis). EPFL.
- ^ Newton, Casey (2019-08-28). "YouTube may push users to more radical views over time, a new paper argues". The Verge. Retrieved 2024-12-04.
- ^ Horta Ribeiro, Manoel; Ottoni, Raphael; West, Robert; Almeida, Virgílio A. F.; Meira, Wagner (2020-01-27). "Auditing radicalization pathways on YouTube". Proceedings of the 2020 Conference on Fairness, Accountability, and Transparency. FAT* '20. New York, NY, USA: Association for Computing Machinery: 131–141. doi:10.1145/3351095.3372879. ISBN 978-1-4503-6936-7.
- ^ "Artificial intelligence can speed-sort satellite photos. Could it also recruit an agent?". The Economist. ISSN 0013-0613. Retrieved 2024-12-04.
- ^ "Research fellow: Manoel Horta Ribeiro". Meta Research.
- ^ "PhD and Industry Fellowship Laureates". EPFL. 2024-04-23. Retrieved 2024-12-04.
- ^ "Latin America Research Awards (2017 - 2021)". research.google. Retrieved 2024-12-04.
- ^ "Conference Programs". programs.sigchi.org. Retrieved 2024-12-04.
- ^ ICWSM. "A thread on the #ICWSM24 awards". X.