Precise vs. ultra-light activity diagrams - an experimental assessment in the context of business process modelling

  • Authors:
  • Francesco Di Cerbo;Gabriella Dodero;Gianna Reggio;Filippo Ricca;Giuseppe Scanniello

  • Affiliations:
  • CASE, Libera Università di Bolzano-Bozen, Italy;CASE, Libera Università di Bolzano-Bozen, Italy;DISI, Università di Genova, Italy;DISI, Università di Genova, Italy;Dipartimento di Matematica e Informatica, Università della Basilicata, Italy

  • Venue:
  • PROFES'11 Proceedings of the 12th international conference on Product-focused software process improvement
  • Year:
  • 2011

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Abstract

UML activity diagrams are a commonly used notation for modelling business processes in the field of both workflow automation and requirements engineering. In this paper, we present a novel precise style for this notation. Further, the effectiveness of this style has been investigated in the context of the modelling of business processes through a controlled experiment conducted with master students in Computer Science at the Free University of Bolzano-Bozen. The results indicate that the subjects achieved a significantly better comprehension level when business processes are modelled using the precise style with respect to a "lighter" variant, with no significant impact on the effort to accomplish the tasks.