774 citations · 1.2k across the 41 of their papers we have counts for
7 papers · 1 filter
Learning Rich Rankings
Arjun Seshadri, Stephen Ragain, Johan Ugander
Although the foundations of ranking are well established, the ranking literature has primarily been focused on simple, unimodal models, e.g. the Mallows and Plackett-Luce models, t…
The latent cognitive structures of social networks
Izabel Aguiar, Johan Ugander
When people are asked to recall their social networks, theoretical and empirical work tells us that they rely on shortcuts, or heuristics. Cognitive Social Structures (CSS) are mul…
Rank-heterogeneous Preference Models for School Choice
Amel Awadelkarim, Arjun Seshadri, Itai Ashlagi +2
School choice mechanism designers use discrete choice models to understand and predict families' preferences. The most widely-used choice model, the multinomial logit (MNL), is lin…
Counterfactual Evaluation of Peer-Review Assignment Policies
Martin Saveski, Steven Jecmen, Nihar B. Shah +1
Peer review assignment algorithms aim to match research papers to suitable expert reviewers, working to maximize the quality of the resulting reviews. A key challenge in designing…
Off-policy evaluation beyond overlap: partial identification through smoothness
Samir Khan, Martin Saveski, Johan Ugander
Off-policy evaluation (OPE) is the problem of estimating the value of a target policy using historical data collected under a different logging policy. OPE methods typically assume…
The Moderating Effect of Instant Runoff Voting
Kiran Tomlinson, Johan Ugander, Jon Kleinberg
Instant runoff voting (IRV) has recently gained popularity as an alternative to plurality voting for political elections, with advocates claiming a range of advantages, including t…