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Concept
Scientific workflow system
Summary
A scientific workflow system is a specialized form of a workflow management system designed specifically to compose and execute a series of computational or data manipulation steps, or workflow, in a scientific application.
Distributed scientists can collaborate on conducting large scale scientific experiments and knowledge discovery applications using distributed systems of computing resources, data sets, and devices. Scientific workflow systems play an important role in enabling this vision.
More specialized scientific workflow systems provide a visual programming front end enabling users to easily construct their applications as a visual graph by connecting nodes together, and tools have also been developed to build such applications in a platform-independent manner. Each directed edge in the graph of a workflow typically represents a connection from the output of one application to the input of the next. A sequence of such edges may be called a pipeline.
A bioinformatics workflow management system is a specialized scientific workflow system focused on bioinformatics.
The simplest computerized scientific workflows are scripts that call in data, programs, and other inputs and produce outputs that might include visualizations and analytical results. These may be implemented in programs such as R or MATLAB, using a scripting language such as Python with a command-line interface, or more recently using open-source web applications such as Jupyter Notebook.
There are many motives for differentiating scientific workflows from traditional business process workflows. These include:
providing an easy-to-use environment for individual application scientists themselves to create their own workflows.
providing interactive tools for the scientists enabling them to execute their workflows and view their results in real-time.
simplifying the process of sharing and reusing workflows between the scientists.
enabling scientists to track the provenance of the workflow execution results and the workflow creation steps.
Official source
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