Search Results for author: Mohammad H. Rohban

Found 4 papers, 1 papers with code

Active Learning from Positive and Unlabeled Data

1 code implementation24 Feb 2016 Alireza Ghasemi, Hamid R. Rabiee, Mohsen Fadaee, Mohammad T. Manzuri, Mohammad H. Rohban

Such problems arise in many real-world situations and are known as the problem of learning from positive and unlabeled data.

Active Learning Informativeness +1

Minimax Optimal Sparse Signal Recovery with Poisson Statistics

no code implementations21 Jan 2015 Mohammad H. Rohban, Delaram Motamedvaziri, Venkatesh Saligrama

We are motivated by problems that arise in a number of applications such as Online Marketing and Explosives detection, where the observations are usually modeled using Poisson statistics.

Marketing

Necessary and Sufficient Conditions for Novel Word Detection in Separable Topic Models

no code implementations30 Oct 2013 Weicong Ding, Prakash Ishwar, Mohammad H. Rohban, Venkatesh Saligrama

The simplicial condition and other stronger conditions that imply it have recently played a central role in developing polynomial time algorithms with provable asymptotic consistency and sample complexity guarantees for topic estimation in separable topic models.

Topic Models

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