Conceptual modelling: knowledge acquisition and model abstraction

  • Authors:
  • Kathy Kotiadis;Stewart Robinson

  • Affiliations:
  • University of Warwick, Coventry, United Kingdom;University of Warwick, Coventry, United Kingdom

  • Venue:
  • Proceedings of the 40th Conference on Winter Simulation
  • Year:
  • 2008

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Abstract

Conceptual modelling has gained a lot of interest in recent years and simulation modellers are particularly interested in understanding the processes involved in arriving at a conceptual model. This paper contributes to this understanding by discussing the artifacts of conceptual modelling and two specific conceptual modelling processes: knowledge acquisition and model abstraction. Knowledge acquisition is the process of finding out about the problem situation and arriving at a system description. Model abstraction refers to the simplifications made in moving from a system description to a conceptual model. Soft Systems Methodology has tools that can help a modeller with knowledge acquisition and model abstraction. These tools are drawing rich pictures, undertaking analyses 'one', 'two', 'three', and constructing a root definition and the corresponding purposeful activity model. The use of these tools is discussed with respect to a case study in health care.