Integration of small world networks with multi-agent systems for simulating epidemic spatiotemporal transmission

Tao Liu1, Xia Li1, XiaoPing Liu1

  • 1School of Geography and Planning, Sun Yat-sen University, Guangzhou, 510275 China.

Insights

This study introduces an integrated model for epidemic transmission simulation, combining small world networks and multi-agent systems. This novel approach enhances epidemic prediction and control by incorporating infection memory and social dynamics.

Area of Science:

  • Epidemiology
  • Computational Science
  • Network Science

Background:

  • Traditional epidemic models often lack detailed individual interactions and social network structures.
  • Simulating spatiotemporal transmission requires models that capture complex human behavior and contact patterns.

Purpose of the Study:

  • To develop an integrated model for simulating epidemic spatiotemporal transmission.
  • To enhance epidemic modeling by incorporating social network dynamics and infection memory.
  • To provide a more realistic simulation framework for disease spread.

Main Methods:

  • Developed an integrated model combining small world network (SWN) and multi-agent system (MAS).
  • Defined agent attributes, movement rules, neighborhoods, and state transition rules.
  • Incorporated decay effects of infection memory, distance, and social relations.

Main Results:

  • The integrated SWN-MAS model demonstrated superior performance compared to traditional SEIR and pure MAS models.
  • Simulations of flu transmission in Guangzhou City showed the model's effectiveness in a real geographical context.
  • The model successfully captured spatiotemporal epidemic dynamics, including novel decay effects.

Conclusions:

  • The integrated SWN-MAS model offers a more accurate and comprehensive approach to epidemic simulation.
  • This modeling framework provides valuable insights for understanding, predicting, and controlling epidemic spread.
  • The model's ability to simulate in real geographical environments enhances its practical applicability for public health interventions.

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