jasss系列：V 10, I 4, N.1:"Groups of Agents with a Leader" P21

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( {( m+ ~- M2 V: u. J% W. h

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

part21 共165字，请翻译。

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" S* V' a+ b4 J6 t2 }3.16 The results of adding space-dependent communication to groups without a leader are shown in Table 7.

Table 7: Time taken to reach the target by the first and the last individual in groups of 10 and 50 agents without a leader and space-dependent communication
Group size	First	Last
10	57 (103)	720 (1184)
50	3 (5)	56 (10)

8 C- V0 W8 w; d+ D4 V9 r' P; c9 q3.17 Predictably, space-dependent communication is less effective than space-independent communication. The effect varies as a function of group size. In groups of 50 individuals, there is only a small deterioration in performance compared to groups with space-independent communication. In groups of 10 individuals, however, space-limited communication results in much worse performance. The reason is that with space-dependent communication information takes longer to reach all the individuals in a group. Given an environment of a certain size, individuals in large groups tend to be closer to one another because of their greater density. As a result, the negative effects of space-dependent communication are limited. By contrast, small groups tend to be more dispersed and information takes longer to reach all the individuals in the group.