NDLI: A Graph-Based Hybrid Framework for Modeling Complex Heterogeneity

Content Provider	IEEE Xplore Digital Library
Author	Pei Yang Jingrui He
Copyright Year	2015
Description	Author affiliation: Arizona State Univ., Tempe, AZ, USA (Pei Yang; Jingrui He)
Abstract	Data heterogeneity is an intrinsic property of many high impact applications, such as insider threat detection, traffic prediction, brain image analysis, quality control in manufacturing processes, etc. Furthermore, multiple types of heterogeneity (e.g., task/view/instance heterogeneity) often co-exist in these applications, thus pose new challenges to existing techniques, most of which are tailored for a single or dual types of heterogeneity. To address this problem, in this paper, we propose a novel graph-based hybrid approach to simultaneously model multiple types of heterogeneity in a principled framework. The objective is to maximize the smoothness consistency of the neighboring nodes, bag-instance correlation together with task relatedness on the hybrid graphs, and simultaneously minimize the empirical classification loss. Furthermore, we analyze its performance based on Rademacher complexity, which sheds light on the benefits of jointly modeling multiple types of heterogeneity. To solve the resulting non-convex non-smooth problem, we propose an iterative algorithm named M3 Learning, which combines block coordinate descent and the bundle method for optimization. Experimental results on various data sets show the effectiveness of the proposed algorithm.
Starting Page	1081
Ending Page	1086
File Size	279114
Page Count	6
File Format	PDF
ISSN	15504786
e-ISBN	9781467395045
DOI	10.1109/ICDM.2015.109
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-11-14
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bipartite graph Loss measurement Analytical models Correlation TV Optimization Quality control heterogeneous learning multi-task learning multi-view learning multi-instance learning
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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