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Sara Ahmadian

Research scientist, Google

3 papers at NeurIPS 2025

OpenReview· Semantic Scholar· Google Scholar

Poster Session 3

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

Exhibit Hall C,D,E

Generalized Top-k Mallows Model for Ranked Choices

#3310 Spotlight · Shahrzad Haddadan, Sara Ahmadian

We propose a choice model based on top-k Mallows model and design algorithms for it

Poster Session 5

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

Exhibit Hall C,D,E

GIST: Greedy Independent Set Thresholding for Max-Min Diversification with Submodular Utility

#5209 · Matthew Fahrbach, Srikumar Ramalingam, Morteza Zadimoghaddam, Sara Ahmadian, Gui Citovsky, Giulia DeSalvo

Poster Session 6

Friday, December 5, 2025 · 4:30 PM → 7:30 PM

Exhibit Hall C,D,E

The Cost of Compression: Tight Quadratic Black-Box Attacks on Sketches for

ℓ_{2}

Norm Estimation

#5008 · Sara Ahmadian, Edith Cohen, Uri Stemmer

Attack of size quadratic in sketch size (meets upper bound)