Hannah Keller

PhD student, Aarhus University

2 papers at NeurIPS 2025

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Poster Session 3

1 paper

Thursday, December 4, 2025 · 11:00 AM → 2:00 PM

Exhibit Hall C,D,E

Differentially Private Quantiles with Smaller Error

#1309 · Jacob Imola, Fabrizio Boninsegna, Hannah Keller, Anders Aamand, Amrita Roy Chowdhury, Rasmus Pagh

A new mechanism with more precise private quantile estimation in most realistic parameter ranges

Poster Session 5

1 paper

Friday, December 5, 2025 · 11:00 AM → 2:00 PM

Exhibit Hall C,D,E

PREAMBLE: Private and Efficient Aggregation via Block Sparse Vectors

#5516 · Hilal Asi, Vitaly Feldman, Hannah Keller, Guy N. Rothblum, Kunal Talwar

We show that private vector aggregation can be done with sublinear communication in the two-server setting, with efficient protocols and zero-knowledge proofs.