NDLI: An evaluation of approaches for using unlabeled data with domain adaptation

Content Provider	SpringerLink
Author	Caragea, Doina Herndon, Nic
Copyright Year	2016
Abstract	We consider the problem of adding a large unlabeled sample from the target domain to boost the performance of a domain adaptation algorithm when only a small set of labeled examples is available from the target domain. In particular, we consider the problem setting motivated by the tasks of splice site prediction and protein localization. For example, for splice site prediction, annotating a genome using machine learning requires a lot of labeled data, whereas for non-model organisms, there are only some labeled data and lots of unlabeled data. With domain adaptation one can leverage the large amount of data from a related model organism, along with the labeled and unlabeled data from the organism of interest to train a classifier for the latter. Our goal is to analyze the three approaches of incorporating the unlabeled data—with soft labels only (i.e., Expectation-Maximization), with hard labels only (i.e., self-training), or with both soft and hard labels—for the splice site prediction and protein localization in particular, and more broadly for a general iterative domain adaptation setting. We provide empirical results on splice site prediction and protein localization indicating that using a combination of soft and hard labels performs as good as the best of the other two approaches of integrating unlabeled data.
Starting Page	1
Ending Page	12
Page Count	12
File Format	PDF
ISSN	21926662
Journal	Network Modeling Analysis in Health Informatics and Bioinformatics
Volume Number	5
Issue Number	1
e-ISSN	21926670
Language	English
Publisher	Springer Vienna
Publisher Date	2016-07-07
Publisher Place	Vienna
Access Restriction	Subscribed
Subject Keyword	Computational Biology/Bioinformatics Expectation-maximization Domain adaptation Health Informatics Self-training Bioinformatics Applications of Graph Theory and Complex Networks
Content Type	Text
Resource Type	Article
Subject	Urology

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