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- Alexander Genkin, David D. Lewis, David Madigan
- Technometrics
- 2007

This paper describes an application of Bayesian logistic regression to text categorization. In particular we examine so-called “sparse” Bayesian models that simultaneously select features and provide… (More)

Individuals have distinctive ways of speaking and writing, and there exists a long history of linguistic and stylistic investigation into authorship attribution. In recent years, practical… (More)

Motivated by high-dimensional applications in authorship atttribution, we describe a Bayesian multinomial logistic regression model together with an associated learning algorithm.

- Aynur A. Dayanik, Dmitriy Fradkin, +4 authors Vladimir Menkov
- TREC
- 2004

DIMACS participated in the text categorization and ad hoc retrieval tasks of the TREC 2004 Genomics track. For the categorization task, we tackled the triage and annotation hierarchy subtasks. 1.… (More)

- Ilya Trofimov, Alexander Genkin
- AIST
- 2015

Solving logistic regression with L1-regularization in distributed settings is an important problem. This problem arises when training dataset is very large and cannot fit the memory of a single… (More)

Supervised learning approaches to text classification are in practice often required to work with small and unsystematically collected training sets. The alternative to supervised learning is usually… (More)

- Tao Hu, Alexander Genkin, Dmitri B. Chklovskii
- Neural Computation
- 2012

Computing sparse redundant representations is an important problem in both applied mathematics and neuroscience. In many applications, this problem must be solved in an energy-efficient way. Here, we… (More)

(U) This paper empirically compares the performance of different Bayesian models for text categorization. In particular we examine so-called “sparse” Bayesian models that explicitly favor simplicity.… (More)

- Alexander Genkin
- 2005

This paper studies regularized logistic regression and its application to text categorization. In particular we examine a Bayesian approach, lasso logistic regression, that simultaneously selects… (More)

- Tao Hu, Zaid J. Towfic, Cengiz Pehlevan, Alexander Genkin, Dmitri B. Chklovskii
- 2013 Asilomar Conference on Signals, Systems and…
- 2013

A neuron is a basic physiological and computational unit of the brain. While much is known about the physiological properties of a neuron, its computational role is poorly understood. Here we propose… (More)