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9
Conclusion
This topic has addressed the development of a framework for user-level work-
flow design, its application to different bioinformatics application scenarios,
and the evaluation of the approach in itself and in comparison to related work.
This chapter concludes by summarizing the work and clarifying achievements
and major remaining challenges in Section 9.1, before outlining directives for
future work in Section 9.2.
9.1
Summary
The general question addressed by this topic can be phrased as:
How can user-level design of workflows be achieved?
One possible answer to this question is the framework for semantics-supported
design of workflows that has been developed and challenged in the work under-
lying this this topic with a particular focus on the bioinformatics application
domain. Its major achievements and open challenges are described in the
following.
9.1.1 Achievements
Figure 9.1 revisits the tradeoff between simplicity and generality of software
frameworks of Figure 1.2, but additionally illustrates the role of workflow
management systems in the software environments landscape. It distinguishes
further between two kinds of workflow systems:
•
Domain-independent workflow systems
simplify software development
by abstracting from programming details and by providing additional
functionality for supporting, e.g., agile development, execution and deploy-
ment. These frameworks do usually not, however, address the application-
specific customization of the workflow environment, so that the workflow
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