Concepedia

Ankur Moitra

AM

62

Publications

3.4K

Citations

31

H-Index

2008

Active since

Affiliations

Massachusetts Institute of Technology(Current)

Princeton University

University of California, Berkeley

Institute for Advanced Study

Microsoft (United States)

Ankur Moitra is an author at Massachusetts Institute of Technology specializing in engineering, computer science, and data science.

Top concepts

EngineeringComputer ScienceComputational ComplexityData ScienceMachine LearningMathematical ProgrammingCombinatorial OptimizationApproximation TheoryInverse ProblemsStatistical Inference

Publications per year

2008–2024

62

Publications

62

Learning Topic Models -- Going beyond SVD

Sanjeev Arora, Rong Ge, Ankur Moitra · 2012 · 308 citations

Engineering, Topic Modeling, Corpus Linguistics +19

Computing a nonnegative matrix factorization -- provably

Sanjeev Arora, Rong Ge, Ravindran Kannan et al. · 2012 · 285 citations

Mathematical Programming, Engineering, Machine Learning +14

Settling the Polynomial Learnability of Mixtures of Gaussians

Ankur Moitra, Gregory Valiant · 2010 · 260 citations

Mathematical Programming, Engineering, Machine Learning +16

Efficiently learning mixtures of two Gaussians

Adam Tauman Kalai, Ankur Moitra, Gregory Valiant · 2010 · 162 citations

Mixture Distribution, Image Analysis, Machine Learning +14

A Practical Algorithm for Topic Modeling with Provable Guarantees

Sanjeev Arora, Rong Ge, Yoni Halpern et al. · arXiv (Cornell University) · 2012 · 161 citations · Full text

Natural Language Processing, Probabilistic Ontology, Latent Modeling +14

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