Proceedings of the 15th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining 2009
DOI: 10.1145/1557019.1557082
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Large-scale sparse logistic regression

Abstract: Logistic Regression is a well-known classification method that has been used widely in many applications of data mining, machine learning, computer vision, and bioinformatics. Sparse logistic regression embeds feature selection in the classification framework using the 1-norm regularization, and is attractive in many applications involving high-dimensional data. In this paper, we propose Lassplore for solving Large-scale sparse logistic regression. Specifically, we formulate the problem as the 1-ball constrain… Show more

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Cited by 160 publications
(120 citation statements)
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References 30 publications
(51 reference statements)
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“…For the problem in (1), the associated proximal operator is the FLSA. The Nesterov's method has been applied to solve various sparse learning formulations [2,13,16,17,18,22,32].…”
Section: Nesterov's Methodsmentioning
confidence: 99%
“…For the problem in (1), the associated proximal operator is the FLSA. The Nesterov's method has been applied to solve various sparse learning formulations [2,13,16,17,18,22,32].…”
Section: Nesterov's Methodsmentioning
confidence: 99%
“…The resultant model is usually referred to as sparse logistic regression model [12]. Compared with the conventional logistic regression model obtained by minimizing Jorg, the w obtained by minimizing Jsp is sparse.…”
Section: Related Workmentioning
confidence: 99%
“…We formulate discriminative perspective mining problem in a general structured sparse learning framework [18]. The following steps describe our algorithm: 1) For each topic, calculate the frequency of the words occurring within a fixed sized window of the topic keyword.…”
Section: A Slep: a Sparse Learning Packagementioning
confidence: 99%
“…The following steps describe our implementation: 1) For each topic relevant to a scale, calculate the frequency of the keywords co-occurring with the topic phrase in a document. 2) Use a sparse regression method with logistic loss discussed in previous section to learn the discriminant perspectives for each class using SLEP logistic sparse learning function [18]. 3) Use the identified perspectives to create a document x perspective matrix.…”
Section: B Guttman Pattern Detectionmentioning
confidence: 99%
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