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...c Simulation Multi-agent Systems operate within an environment and therefore, in an Agent Based Simulation (ABS) special attention must go to the analysis, model and implementation of the environment =-=[20]-=-. We propose the use of holarchies for the modelling of environments [25]. We simulate traffic within an industrial plant. The environment of this simulation is defined by the topology and road networ...

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...s about what information each model should contain, since the separation between domainspecific model, operational model and implementation – i.e. computer sciencespecific model – is ambiguous itself =-=[2, 3]-=-. Thence, each step of the simulation design process involves choices – both explicit or implicit – regarding ambiguous parts of the previous step model. Those choices have a more or less dramatic inf...

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...ted that multi-agent systems (MAS) operate within an environment [11, 9]. In an Agent Based Simulation (ABS), special attention must go to the analysis, modeling and implementation of the environment =-=[10]-=-. Indeed, it simulates a real-world environment and agents represent acting entities in this environment. Environments for simulation of real world problems may be complex. Indeed, a real world proble...

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...in the case of strong interaction4. Each agent represents a cell that can be dead or alive and that has eight neighbors 4Strong interaction implies that agents agree on the outcome of the interaction =-=[20]-=-. Thus, such model should not be simulated with a STRIPS-like meta-model, i.e., that views an action as a change of the state of the system. It would lead to problems of result replication [1], but al...

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...tween levels with no constraint on the scheduling mode (step wise or discrete events). This approach seems more adapted to our problems than the agent one (Weyns and Holvoet, 2003) or the system one (=-=Michel et al., 2003-=-). Our goal to give to agents the longest possible life cycle which stay coherent with the rest of the simulation. This is done to minimize the computer resources allocated to the agents updating proc...

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...ct to agent-based models. There is only one rule (movement), the agents are identical (except for their color) and the model is based on weak interaction. According to the definition by Michel et al. =-=[11]-=-, ”agent actions define a weak interaction when the feasibility of each action’s goal does not depend on the action of another agent.” To investigate the consequences of the activation regime, we, the...

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...pendent decisions, are usually implemented so that only one agent, the initiator, does decide for the others, modifying the targeted agents and the environment at once (e.g. in a reproduction process =-=[5]-=-). Thus, the targeted agents goals are not considered. Is it normal that a targeted agent find itself involved in an interaction process not explicitly chosen? Is this entity autonomous? To be correct...