Tracking causality by visualization of multi-agent interactions using causality graphs

  • Authors:
  • Guillermo Vigueras;Juan A. Botia

  • Affiliations:
  • Departamento de Ingeniería de la Información y las Comunicaciones, Universidad de Murcia, Spain;Departamento de Ingeniería de la Información y las Comunicaciones, Universidad de Murcia, Spain

  • Venue:
  • ProMAS'07 Proceedings of the 5th international conference on Programming multi-agent systems
  • Year:
  • 2007

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Abstract

Programming multi-agent systems is a hard task and requires tools to assist in the process of testing, validation and verification of both MAS specifications and source code. In this paper, we propose the use of causality graphs, adapted to the context of debugging multi-agents systems, to track causality of events produced in interactions among agents in a group. We believe that simple sequence diagrams are not enough to visually track what are the predecessors or causes of a given new event (i.e. an unexpected message or the observation that a message did not came). We propose this kind of graph as an alternative. We redefine the concept of causality graph for this particular field and propose an algorithm for generation of such a graph.