Analysing scientific workflows: why workflows not only connect web services

Wassink, I. and van der Vet, P.E. and Wolstencroft, K. and Neerincx, P.B.T. and Roos, M. and Rauwerda, H. and Breit, T.M. (2009) Analysing scientific workflows: why workflows not only connect web services. In: IEEE Congress on Services 2009, 06-10 Jul 2009, Los Angeles, CA, USA.

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Abstract:	Life science workflow systems are developed to help life scientists to conveniently connect various programs and web services. In practice however, much time is spent on data conversion, because web services provided by different organisations use different data formats. We have analysed all the Taverna workflows available at the myExperiment web site on December 11, 2008. Our analysis of the tasks in these workflows shows several noticeable aspects: their number ranges from 1 to 70 tasks per workflow; 18% of the workflows consist of a single task. Of the tasks used are 22% web services; local services, i.e. tasks executed by the workflow system itself, are very popular and cover 57% of tasks; tasks implemented by the workflow designer, scripting tasks, are is also used often (14%). Our analysis shows that over 30% of tasks are related to dataconversion.
Item Type:	Conference or Workshop Item
Faculty:	Electrical Engineering, Mathematics and Computer Science (EEMCS)
Research Group:	Human Media Interaction (HMI)
Link to this item:	http://purl.utwente.nl/publications/67519
Official URL:	http://dx.doi.org/10.1109/SERVICES-I.2009.48
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