为了促进学术交流,SimulWay将推出“基于Agent仿真前沿学术论文翻译系列”,同时方便大家获取仿真币途径。 Groups of Agents with a Leader
" r( N8 a' C6 V9 u! w& p Journal of Artificial Societies and Social Simulation vol. 10, no. 4
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$ A D, z1 @4 f3.5 The beneficial effect of the presence of a leader is greater for large than for small groups. For groups of 50 agents with a leader the last agent reaches the target more than four times faster than in groups without a leader (cf. Table 1); in groups of 10 agents the leader improves performance by a factor of three. In Table 1 we saw that small groups without a leader have an advantage over larger groups. But the results in Table 2 show that the presence of a leader almost cancels out this advantage. What is crucial is that the presence of a leader allows the group to explore the environment in a more aggregate way. We observe that other rules favoring aggregate exploration might have the same effect. For instance, if each individual tends to remain close to other individuals (cf. the 'swarm' behavior of flocks of birds, schools of fish, and communities of social insects; cf.Bonabeau, Dorigo, and Theraulaz 1999; Krause and Ruxton 2002), this would be equally advantageous. In the next section we examine what happens when the leader has better sensory capabilities than followers. We will see that, in this case, the presence of a leader produces benefits that cannot be obtained in leaderless groups. |