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Summary: IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS, VOL. X, NO. X, X 20XX 1
Managing Process Model Complexity via
Abstract Syntax Modifications
Marcello La Rosa, Petia Wohed, Jan Mendling, Arthur H.M. ter Hofstede, Hajo A. Reijers
and Wil M.P. van der Aalst, Member, IEEE
Abstract--As a result of the growing adoption of Business
Process Management (BPM) technology, different stakeholders
need to understand and agree upon the process models that
are used to configure BPM systems. However, BPM users have
problems dealing with the complexity of such models. Therefore,
the challenge is to improve the comprehension of process models.
While a substantial amount of literature is devoted to this topic,
there is no overview of the various mechanisms that exist to
deal with managing complexity in (large) process models. As a
result, it is hard to obtain an insight into the degree of support
offered for complexity reducing mechanisms by state-of-the-art
languages and tools. This paper focuses on complexity reduction
mechanisms that affect the abstract syntax of a process model,
i.e. the formal structure of process model elements and their
interrelationships. These mechanisms are captured as patterns
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