Scientific Workflow
The Internet has changed forever the way in which science will be done.
Worldwide scientific collaborations, such as Globus, and
specific projects, such as GriPhyN,
are beginning to use internet access to create opportunities for scientists
to make data available to worldwide communities, thereby enabling expedited
collaborations among geographically distributed researchers. While this
creates opportunities through the broader availability of more comprehensive
scientific analyses, it also creates risks arising from uncertainty about
the way in which internet-accessed data were produced and the appropriate
ways in which they can be used. Scientific workflow is the application
of workflow technology to scientific endeavours, and is becoming recognized
as a valuable approach for assisting scientists in accessing and analyzing
data.
Our approach builds upon the hypothesis that complex scientific analyses
are in fact intricate processes whose important subtleties should be
captured with the help of process definition capabilities. While at some
high, abstract level scientific processes might be modeled as simple
graphs, which may be visually appealing,
we believe that such simplistic models omit important process details.
Our hypothesis is that process definition formalism should be used to
define scientific processes thereby enabling the use of tools to analyze,
verify, and execute them.
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