Johan Ugander

13 papers · 2011–2026 · 4 conferences · across top CS/AI conferences

Achievements

🐣 Hot Topic Early Bird 🏃 Academic Marathon (14) 🐝 Cross-Pollinator (13) 🌈 Renaissance Researcher (5) 🗺️ Taxonomy Completionist (30) 🌉 Interdisciplinary Bridge 🧭 Keyword Pioneer 🌍 Conference Polyglot (4) 🏆 Keyword Champion (3) 🧬 Topic Evolution 📈 Trend Setter 🗃️ Keyword Collector (63) 💎 Century Club (12)

Conferences

AAAI (5) NIPS (4) ICML (3) JMLR (1)

Top co-authors

Jon Kleinberg (4) Kiran Tomlinson (4) Serina Chang (2) Stephen Ragain (2) Arjun Seshadri (2) Martin Saveski (2) Jure Leskovec (2) Dane Taylor (1) Steven Jecmen (1) Alex Peysakhovich (1)

Keywords

choice model (3) instant runoff voting (3) electoral system (2) exclusion zone (2) em algorithm (1) bounded rationality (1) off-policy evaluation (1) maximum likelihood (1) context effects (1) markov chain (1) discrete choice (1) sparse optimization (1) tensor factorization (1) maximum likelihood estimation (1) pseudo-dirichlet (1) tensor decomposition (1) sparse mixture models (1) stochastic block model (1) multinomial logit (1) concave regularization (1)

Papers

Exclusion Zones of Instant Runoff Voting AAAI 2026

Replicating Electoral Success AAAI 2025

The Moderating Effect of Instant Runoff Voting AAAI 2024

Inferring Dynamic Networks from Marginals with Iterative Proportional Fitting ICML 2024

Off-policy Evaluation Beyond Overlap: Sharp Partial Identification Under Smoothness ICML 2024

A tensor factorization model of multilayer network interdependence JMLR 2024

Ballot Length in Instant Runoff Voting AAAI 2023

Estimating Geographic Spillover Effects of COVID-19 Policies from Large-Scale Mobility Networks AAAI 2023

Counterfactual Evaluation of Peer-Review Assignment Policies NIPS 2023

Learning Rich Rankings NIPS 2020

Discovering Context Effects from Raw Choice Data ICML 2019

Pairwise Choice Markov Chains NIPS 2016

A concave regularization technique for sparse mixture models NIPS 2011