Declarative versus Imperative Process Modeling: The Issue of Maintainability

D. Fahland, J. Mendling, H. Reijers, B. Weber, M. Weidlich and S. Zugal

In: Proc. ER-BPM'09, pp. 65–76, 2009.

Abstract. The rise of interest in declarative languages for process modeling both justifies and demands empirical investigations into their presumed advantages over more traditional, imperative alternatives. Our concern in this paper is with the ease of maintaining business process models, for example due to changing performance or conformance demands. We aim to contribute to a rigorous, theoretical discussion of this topic by drawing a link to well-established research on maintainability of information artifacts.


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Barbara Weber
Stefan Zugal