jasss系列：V 10, I 4, N.1:"Groups of Agents with a Leader" P22

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Groups of Agents with a Leader

Journal of Artificial Societies and Social Simulation vol. 10, no. 4

原文网址：http://jasss.soc.surrey.ac.uk/10/4/1.html

part22 共205字，请翻译。

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& J5 u( w( l/ d+ A; x7 A) S2 P3.18 In the simulations described so far, we add communication to groups which do not have a leader. We now consider what happens when we provide communication to groups with a leader. As before, we will consider space-independent communication first, then space-dependent communication.
+ L6 Y7 `4 s7 |+ G3.19 The more interesting result is that if the agents in a group can communicate with each other, the presence of a leader loses much of its importance and can even be detrimental to group performance. As we know, in the absence of communication, the presence of a leader is useful because it allows the group to explore the environment in a more aggregate way. This has benefits but also costs. Moving as a group is beneficial because when one individual discovers the target the other members of the group will be close by. But it also has costs: a closely aggregated group will explore the environment less widely than a more dispersed one. If the costs are to be less than the benefits, it is crucial that followers should not remain too close to their leader. If followers are too close, the group acts in effect as a single agent and usually takes a very long time to discover the target.