A web-based filtering engine for understanding event specifications in large conceptual schemas

  • Authors:
  • Antonio Villegas;Antoni Olivé;Maria-Ribera Sancho

  • Affiliations:
  • Department of Service and Information System Engineering, Universitat Politècnica de Catalunya --- BarcelonaTech, Barcelona, Spain;Department of Service and Information System Engineering, Universitat Politècnica de Catalunya --- BarcelonaTech, Barcelona, Spain;Department of Service and Information System Engineering, Universitat Politècnica de Catalunya --- BarcelonaTech, Barcelona, Spain

  • Venue:
  • ER'12 Proceedings of the 2012 international conference on Advances in Conceptual Modeling
  • Year:
  • 2012

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Abstract

A complete conceptual schema must include all relevant general static and dynamic aspects of an information system. Event types describe a nonempty set of allowed changes in the population of entity or relationship types in the domain of the conceptual schema. The conceptual schemas of many real-world information systems that include the specification of event types are too large to be easily managed or understood. There are many information system development activities in which people need to understand the effect of a set of events. We present an information filtering tool in which a user focuses on one or more event types of interest for her task at hand, and the tool automatically filters the schema in order to obtain a reduced conceptual schema that illustrates all the elements affected by the given events.