3 papers
cs.GT2026
Nash Core in Multiwinner Election
Ashish Goel, Zhihao Jiang, Chenghan Zhou
In the approval-based committee selection problem, a committee is said to be in the core if no subset of voters has an incentive to deviate by selecting a \emph{blocking} committee…
cs.LG2025
Multi-Selection for Recommendation Systems
Sahasrajit Sarmasarkar, Zhihao Jiang, Ashish Goel +2
We present the construction of a multi-selection model to answer differentially private queries in the context of recommendation systems. The server sends back multiple recommendat…
cs.DS2024
Differential Privacy with Multiple Selections
Ashish Goel, Zhihao Jiang, Aleksandra Korolova +2
We consider the setting where a user with sensitive features wishes to obtain a recommendation from a server in a differentially private fashion. We propose a ``multi-selection'' a…