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On the effectiveness of multi-feature evacuation systems: an agent-based exploratory simulation study.

Kashif Zia1, Umar Farooq2, Muhammad Shafi1

  • 1Faculty of Computing and Information Technology, Sohar University, Sohar, Oman.

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Agent-based modeling reveals that during evacuations, informational overload is ineffective. Training and allowing individuals to focus on their surroundings are key for efficient crowd management.

Keywords:
Agent based modelingCrowd evacuationNetLogoRationality vs. emotionalismSocial influence

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Area of Science:

  • Computational Social Science
  • Agent-Based Modeling
  • Crowd Dynamics

Background:

  • Evacuation modeling faces challenges integrating diverse individual, social, and technological factors.
  • Understanding the interplay between rationality and emotionalism in localized social contexts is crucial for effective evacuation strategies.

Purpose of the Study:

  • To propose and analyze an agent-based model for crowd evacuation.
  • To compare the impact of individual, social, and technological parameters on evacuation efficiency.
  • To investigate the concept of extended social influence, integrating technological aspects into social dynamics.

Main Methods:

  • Development of an agent-based model using NetLogo.
  • Simulation of various environmental conditions, evacuation strategies, and agent demographics.
  • Comparative analysis of individual (rationality vs. emotionalism) and social/technological influences.

Main Results:

  • Informational overload offers no significant advantage, particularly in high-risk scenarios prone to herding behavior.
  • In critical situations, individuals benefit from making decisions based on their immediate surroundings.
  • Extended social influence, incorporating technological factors, showed no clear benefit over localized social dynamics.

Conclusions:

  • Evacuation strategies should prioritize training and empowering individuals to assess their environment rather than relying on information overload.
  • Distant connectivity features do not appear to enhance evacuation efficiency and can be omitted in strategy design.
  • Focusing on individual decision-making within the immediate social and environmental context is more effective for crowd evacuation.