CAFISS: a complex adaptive framework for immune system simulation

  • Authors:
  • Joc Cing Tay;Atul Jhavar

  • Affiliations:
  • Nanyang Technological University, Singapore;Nanyang Technological University, Singapore

  • Venue:
  • Proceedings of the 2005 ACM symposium on Applied computing
  • Year:
  • 2005

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Abstract

Currently most reported immune system simulations in literature involve the use of differential equations, genetic algorithm-based searching or simple cellular automata models. This limits the diversity in results obtained and thus provides fewer avenues for experimenting with behavioral responses of the immune system entities under exogenous stimulations. Complex adaptive systems (or CAS) by Holland provide a way of modeling natural systems with complex aggregation and nonlinear interactions to exhibit emergent behaviours. The immune system, being a powerful and flexible information processing system is particularly suited to being modeled using CAS. This paper describes a Java-based implementation of a framework for modeling the immune system, particularly Human Immunodeficiency Virus (or HIV) attack, using a CAS model. The credibility of the system is established through comparisons against available viral dynamics data. We show that it is feasible to achieve relatively accurate predictions of viral pathogenesis through agent-based discrete event simulations, the first steps towards improved automation of hypothesis verification.