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Paper ID: 1427

Building a Biodiversity Problem-Solving Environment
Shonil,Bhagwat Frank A,Bisby Peter,Brewer Oliver,Bromley Neil,Caithness Alastair,Culham Nick J,Fiddian W Alex,Gray Andrew C,Jones Nick,Pittas Tim,Sutton Richard J,White Paul,Williams Xuebiao,Xu Chris,Yesson

Appeared in: Proceedings of the UK e-Science All Hands Conference 2004 website: http://www.allhands.org.uk/2004/
Page Numbers:776 - 784
Publisher: Engineering and Physical Sciences Research Council
Year: 2004
ISBN/ISSN: 1-904425-21-6
Contributing Organisation(s):
Field of Science: e-Science

URL: http://www.allhands.org.uk/2004/proceedings/papers/255.pdf

Abstract: In the Biodiversity World project, our goal is to create a flexible and extensible Grid environment in which heterogeneous distributed biodiversity-related data sets and analytical tools are made available to be located and assembled by users unfamiliar with the Grid into workflows to perform complex scientific analyses. We have previously defined and described an architecture containing a number of kinds of components which conform to a common model of Grid interoperability. In this paper, we concentrate on the components and strategies which are important for the assembly of a complete working environment. We describe recent work on three main components of the environment: the workflow system, which provides both workflow design and enactment facilities based on Triana; the metadata repository, implemented using simple flexible entity-attribute-value triples; and the user interface, which consists of parts to control the workflow engine, the metadata repository and tasks as they are executed. We discuss various issues which arose during this work, some of which have not yet been fully resolved, including data set management and access, resource location and invocation, metadatabase representation, wrapping techniques for legacy resources, and user interaction with them.

Keywords: e-Science, AHM 2004


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