The manual construction of business process models is a time-consuming and errorprone task. While recommendation systems are widely used and auto-completion functions are a standard feature of programming tools, such techniques are rarely applied in commercial BPM tools although implementation strategies have already been suggested. Therefore, this paper collects requirements from different perspectives (literature and empirical studies) of how to effectively and efficiently assist process

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... ers in their modeling task. The condensation of requirements leads to a catalog, which provides a solid foundation to implement Process Modeling Recommender Systems (PMRSs). The contents in this paper represent a shortened version of the full paper. The original work summarized in this extended abstract has been published in [Fe15] .