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Worflow.md

+## To be evaluated
+ - [ArgoProj](https://github.com/argoproj)
+   * Pros: directory structured inputs/outpus
+   * [DAGs](https://en.wikipedia.org/wiki/Directed_acyclic_graph) workflows
+ - [OGC API - Processes](https://ogcapi.ogc.org/processes/): the :OGC API - Processes" specification defines 
+   * how a client application can request the execution of a process, 
+   * how the inputs to that process can be provided, and 
+   * how the output from the process is handled. 
+   
+   The specification allows for the wrapping of computational tasks into an executable process that can be invoked by a client applicatio)