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Authors: Ana Stanescu and Doina Caragea

Affiliation: Kansas State University, United States

ISBN: 978-989-8425-90-4

Keyword(s): Semi-supervised learning, Expectation maximization, Alternative splicing.

Related Ontology Subjects/Areas/Topics: Bioinformatics ; Biomedical Engineering ; Data Mining and Machine Learning ; Genomics and Proteomics ; Model Design and Evaluation ; Pattern Recognition, Clustering and Classification

Abstract: Successful advances in DNA sequencing technologies have made it possible to obtain tremendous amounts of data fast and inexpensively. As a consequence, the afferent genome annotation has become the bottleneck in our understanding of genes and their functions. Traditionally, data from biological domains have been analyzed using supervised learning techniques. However, given the large amounts of unlabeled genomics data available, together with small amounts of labeled data, the use of semi-supervised learning algorithms is desirable. Our purpose is to study the applicability of semi-supervised learning frameworks to DNA prediction problems, with focus on alternative splicing, a natural biological process that contributes to protein diversity. More specifically, we address the problem of predicting alternatively spliced exons. To utilize the unlabeled data, we train classifiers via the Expectation Maximization method and variants of this method. The experiments conducted show an increase in the quality of the prediction models when unlabeled data is used in the training phase, as compared to supervised prediction models which do not make use of the unlabeled data. (More)

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Paper citation in several formats:
Stanescu, A. and Caragea, D. (2012). SEMI-SUPERVISED LEARNING OF ALTERNATIVELY SPLICED EXONS USING EXPECTATION MAXIMIZATION TYPE APPROACHES.In Proceedings of the International Conference on Bioinformatics Models, Methods and Algorithms - Volume 1: BIOINFORMATICS, (BIOSTEC 2012) ISBN 978-989-8425-90-4, pages 240-245. DOI: 10.5220/0003791802400245

@conference{bioinformatics12,
author={Ana Stanescu. and Doina Caragea.},
title={SEMI-SUPERVISED LEARNING OF ALTERNATIVELY SPLICED EXONS USING EXPECTATION MAXIMIZATION TYPE APPROACHES},
booktitle={Proceedings of the International Conference on Bioinformatics Models, Methods and Algorithms - Volume 1: BIOINFORMATICS, (BIOSTEC 2012)},
year={2012},
pages={240-245},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003791802400245},
isbn={978-989-8425-90-4},
}

TY - CONF

JO - Proceedings of the International Conference on Bioinformatics Models, Methods and Algorithms - Volume 1: BIOINFORMATICS, (BIOSTEC 2012)
TI - SEMI-SUPERVISED LEARNING OF ALTERNATIVELY SPLICED EXONS USING EXPECTATION MAXIMIZATION TYPE APPROACHES
SN - 978-989-8425-90-4
AU - Stanescu, A.
AU - Caragea, D.
PY - 2012
SP - 240
EP - 245
DO - 10.5220/0003791802400245

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