Reference Work Entry

Encyclopedia of Complexity and Systems Science

pp 184-197

Agent Based Modeling and Simulation

  • Stefania BandiniAffiliated withComplex Systems and Artificial Intelligence Research Center, University of Milan-Bicocca
  • , Sara ManzoniAffiliated withComplex Systems and Artificial Intelligence Research Center, University of Milan-Bicocca
  • , Giuseppe VizzariAffiliated withComplex Systems and Artificial Intelligence Research Center, University of Milan-Bicocca

Definition of the Subject

Agent‐Based Modeling and Simulation – an approach to the modeling and simulation of a systemin which the overall behavior is determined by the local action and interaction of a set of agents situated in an environment. Every agent choosesthe action to be carried out on the basis of its own behavioral specification, internal state and perception of the environment. The environment, besidesenabling perceptions, can regulate agents' interactions and constraint their actions.

Introduction

Computer simulation represents a way to exploita computational model to evaluate designs and plans without actually bringing them into existence in the real world (e. g. architecturaldesigns, road networks and traffic lights), but also to evaluate theories and models of complex systems (e. g. biological or social systems) byenvisioning the effect of the modeling choices, with the aim of gaining insight of their functioning. The use of these“synthetic

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