Search Results for author: Soheil Mohajer

Found 5 papers, 1 papers with code

On the Fundamental Limits of Matrix Completion: Leveraging Hierarchical Similarity Graphs

no code implementations12 Sep 2021 Junhyung Ahn, Adel Elmahdy, Soheil Mohajer, Changho Suh

In the achievability proof, we demonstrate that probability of error of the maximum likelihood estimator vanishes for sufficiently large number of users and items, if all sufficient conditions are satisfied.

Matrix Completion Recommendation Systems +1

On the Fundamental Limits of Coded Data Shuffling for Distributed Machine Learning

no code implementations11 Jul 2018 Adel Elmahdy, Soheil Mohajer

In every shuffling iteration, each worker node processes a new subset of files, and has excess storage to partially cache the remaining files, assuming the cached files are uncoded.

BIG-bench Machine Learning

Active Learning for Top-$K$ Rank Aggregation from Noisy Comparisons

1 code implementation ICML 2017 Soheil Mohajer, Changho Suh, Adel Elmahdy

We explore an active top-$K$ ranking problem based on pairwise comparisons that are collected possibly in a sequential manner as per our design choice.

Active Learning

Randomized Algorithms for Comparison-based Search

no code implementations NeurIPS 2011 Dominique Tschopp, Suhas Diggavi, Payam Delgosha, Soheil Mohajer

This paper addresses the problem of finding the nearest neighbor (or one of the $R$-nearest neighbors) of a query object $q$ in a database of $n$ objects, when we can only use a comparison oracle.

Object Retrieval

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