Flexible Selection of Heterogeneous and Unreliable Services in Large-Scale Grids
Stein, Sebastian, Payne, Terry R. and Jennings, Nicholas R. (2009) Flexible Selection of Heterogeneous and Unreliable Services in Large-Scale Grids. Philosophical Transactions of the Royal Society A: Mathematical, Physical & Engineering Sciences, 367, (1897), 2483-2494.
As Grids become larger and more interconnected in nature, scientists can benefit from a growing number of distributed services that may be invoked on demand to complete complex computational workflows. However, it also means that these scientists become dependent on the cooperation of third-party service providers, whose behaviour may be uncertain, failure-prone and highly heterogeneous. To address this, we have developed a novel decision-theoretic algorithm that automatically selects appropriate services for the tasks of an abstract workflow and deals with failures through redundancy and dynamic re-invocation of functionally equivalent services. In this article, we summarise our approach, describe in detail how it can be applied to a real-world bioinformatics workflow and show that it offers a significant improvement over current service selection techniques.
|Divisions:||Faculty of Physical Sciences and Engineering > Electronics and Computer Science > Agents, Interactions & Complexity
|Date Deposited:||15 Jan 2009 17:17|
|Last Modified:||27 May 2013 01:02|
|Contributors:||Stein, Sebastian (Author)
Payne, Terry R. (Author)
Jennings, Nicholas R. (Author)
|Publisher:||The Royal Society|
|Further Information:||Google Scholar|
|ISI Citation Count:||2|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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