NDLI: Robust large-scale non-negative matrix factorization using Proximal Point algorithm

Content Provider	IEEE Xplore Digital Library
Author	Liu, J.G. Aeron, S.
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Tufts Univ., Medford, MA, USA (Liu, J.G.; Aeron, S.)
Abstract	A robust algorithm for non-negative matrix factorization (NMF) is presented in this paper with the purpose of dealing with large-scale data, where the separability assumption is satisfied. In particular, we modify the Linear Programming (LP) algorithm of [6] by introducing a reduced set of constraints for exact NMF. In contrast to the previous approaches, the proposed algorithm does not require the knowledge of factorization rank (extreme rays [3] or topics [5]). Furthermore, motivated by a similar problem arising in the context of metabolic network analysis [16], we consider an entirely different regime where the number of extreme rays or topics can be much larger than the dimension of the data vectors. The performance of the algorithm for different synthetic data sets is provided.
Starting Page	1127
Ending Page	1130
File Size	377459
Page Count	4
File Format	PDF
ISBN	9781479902484
DOI	10.1109/GlobalSIP.2013.6737093
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-12-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Context Algorithm design and analysis Vectors Robustness Face MATLAB Optimization
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Robust large-scale non-negative matrix factorization using Proximal Point algorithm