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Since their recent introduction, process trees have been frequently used as a process modeling formalism in many process mining algorithms. A process tree is a tree-based model of a process, in which internal vertices represent behavioral control-flow relations and leaves represent process activities. A process tree is easily translated into a sound Workflow net (WF-net), however, the reverse is not the case. Yet, an algorithm that translates a WF-net into a process tree is of great interest,arXiv:2004.08213v1 fatcat:ii2qtxs4bbca7pg4dgwiipvety