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Multiple view semi-supervised dimensionality reduction
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DOI：10.1016/j.patcog.2009.07.015.png)
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Abstract
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Multiple view data, together with some domain knowledge in the form of pairwise constraints, arise in various data mining applications. How to learn a hidden consensus pattern in the low dimensional space is a challenging problem. In this paper, we propose a new method for multiple view semi-supervised dimensionality reduction. The pairwise constraints are used to derive embedding in each view and simultaneously, the linear transformation is introduced to make different embeddings from different pattern spaces comparable. Hence, the consensus pattern can be learned from multiple embeddings of multiple representations. We derive an iterating algorithm to solve the above problem. Some theoretical analyses and out-of-sample extensions are also provided. Promising experiments on various data sets, together with some important discussions, are also presented to demonstrate the effectiveness of the proposed algorithm. (C) 2009 Elsevier Ltd. All rights reserved.
Keywords:
Dimensionality reduction
Semi-supervised
Multiple view
Domain knowledge
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