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Johan Ugander

4 papers hereh-index 591 citations12 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • middle author2
  • last author1

Across the 3 of 4 papers where every author was matched, so the position is known.

fields
  • cs.SI2
  • math.OC1
  • stat.ML1

identity via Semantic Scholar / OpenAlex

activity
20232025
most citedCommunity notes reduce engagement with and diffusion of false information online

18 citations · 18 across the 4 of their papers we have counts for

collaborators

4 papers

cs.SI2025

Whose Values? Measuring the (Subjective) Expression of Basic Human Values in Social Media

Ziv Epstein, Farnaz Jahanbakhsh, Tiziano Piccardi +4

The value alignment of sociotechnical systems has become a central debate, but progress depends on how human values are perceived in the content these systems surface and how such…

cs.SI2025★ 18 cited

Community notes reduce engagement with and diffusion of false information online

Isaac Slaughter, Axel Peytavin, Johan Ugander +1

Social networks scaffold the diffusion of information on social media. Much attention has been given to the spread of true vs. false content on online social platforms, including t…

stat.ML2024

Inferring Dynamic Networks from Marginals with Iterative Proportional Fitting

Serina Chang, Frederic Koehler, Zhaonan Qu +2

A common network inference problem, arising from real-world data constraints, is how to infer a dynamic network from its time-aggregated adjacency matrix and time-varying marginals…

math.OC2023

On Sinkhorn's Algorithm and Choice Modeling

Zhaonan Qu, Alfred Galichon, Wenzhi Gao +1

For a broad class of models widely used in practice for choice and ranking data based on Luce's choice axiom, including the Bradley--Terry--Luce and Plackett--Luce models, we show…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.