Definition
A workflow (Yu and Buyya 2005) is an ordered sequence of steps applied to a set of inputs (parameters and data) and producing some outputs. The steps can be part of a single application or may use several separate applications.
Workflows are often represented by graphs where nodes represent the steps, and edges the connectors between them, see Fig. 1. Most workflow management systems only allow the definition of a workflow as a directed acyclic graph. However, some can also handle loops or conditional execution to support iteration or event-driven decision points.
A simple linear workflow which takes as inputs a database BLAST DB to search against, a query file, and control parameters. It consists of two steps, a BLAST (Altschul et al. 1990) search which finds database sequences similar to the query, and a multiple alignment where the hits from BLAST are aligned. The output of this workflow is an alignment
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
References
Altschul SF, Gish W, Miller W, Myers EW, Lipman DJ (1990) Basic local alignment search tool. J Mol Biol 215(3):403–10
Yu J, Buyya R (2005) A taxonomy of scientific workflow systems for grid computing. SIGMOD Rec 34(3):44–49
Author information
Authors and Affiliations
Corresponding author
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2013 Springer Science+Business Media, LLC
About this entry
Cite this entry
Malmström, L., Quandt, A., Pustulka-Hunt, E. (2013). Proteomics Workflow. In: Dubitzky, W., Wolkenhauer, O., Cho, KH., Yokota, H. (eds) Encyclopedia of Systems Biology. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-9863-7_1006
Download citation
DOI: https://doi.org/10.1007/978-1-4419-9863-7_1006
Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4419-9862-0
Online ISBN: 978-1-4419-9863-7
eBook Packages: Biomedical and Life SciencesReference Module Biomedical and Life Sciences