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Supporting scientific discovery processes in Discovery Net

Jameel Syed, Moustafa Ghanem, Yike Guo

Journal Article
Concurrency and Computation: Practice and Experience
Volume 19
Issue 2
Wiley InterScience
ISSN 1532-0626
DOI 10.1002/cpe.1049

The activity of e-Science involves making discoveries by analysing data to find new knowledge. Discoveries of value cannot be made by simply performing a pre-defined set of steps to produce a result. Rather, there is an original, creative aspect to the activity that by its nature cannot be automated. In addition to finding new knowledge, discovery therefore also concerns finding a process to find new knowledge. How discovery processes are modelled is therefore key to effectively practicing e-Science. We argue that since a discovery process instance serves a similar purpose to a mathematical proof it should have similar properties, namely it allows results to be deterministically reproduced when re-executed and that intermediate results can be viewed to aid examination and comprehension. We examine the issues involved for software environments used to make discoveries to preserve these properties, and show how they are tackled in the Discovery Net system.

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