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139 A METHOD FOR EFFICIENT EXECUTION OF BIOINFORMATICS WORKFLOWS

By Yoichi Takenaka Hideo Matsuda

Abstract

Efficient execution of data-intensive workflows has been playing an important role in bioinformatics as the amount of data has been rapidly increasing. The execution of such workflows must take into account the volume and pattern of communication. When orchestrating data-centric workflows, a centralized workflow engine can become a bottleneck to performance. To cope with the bottleneck, a hybrid approach with choreography for data management of workflows is proposed. However, when a workflow includes many repetitive operations, the approach might not gain good performance because of the overheads of its additional mechanism. This paper presents and evaluates an improvement of the hybrid approach for managing a large amount of data. The performance of the proposed method is demonstrated by measuring execution times of example workflows

Topics: web service, workflow, data transfer, database
Year: 2011
OAI identifier: oai:CiteSeerX.psu:10.1.1.190.9890
Provided by: CiteSeerX
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