Figure 2.

Leaf architecture. A Leaf project is carried out by three different layers. On the top layer, a high level definition of a pipeline is coded through the Leaf Graph Language (LGL). The Pyleaf library is able to interpret an LGL graph as a computational pipeline and bind the nodes of the pipeline to the user’s Python code.

Napolitano et al. BMC Bioinformatics 2013 14:201   doi:10.1186/1471-2105-14-201
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