Agent: weak notions Wooldridge and jennings An Agent is a piece of hardware or(more commonly) software-based computer system that enjoys the following properties Autonomy: agents operate without the direct intervention of humans or others, and have some kind of control over their actions and internal state Pro-activeness: agents do not simply act in response to their environment they are able to exhibit goal-directed behavior by taking the initiative Reactivity: agents perceive their environment and respond to it in timely fashion to changes that occur in it Social Ability: agents interact with other agents(and possibly humans)via some kind of agent-communication language 2021/2/2 Institute of Computer Software, Nanjing University Wooldridge and Jennings ▪ An Agent is a piece of hardware or (more commonly) software-based computer system that enjoys the following properties ▪ Autonomy: agents operate without the direct intervention of humans or others, and have some kind of control over their actions and internal state; ▪ Pro-activeness: agents do not simply act in response to their environment, they are able to exhibit goal-directed behavior by taking the initiative. ▪ Reactivity: agents perceive their environment and respond to it in timely fashion to changes that occur in it. ▪ Social Ability: agents interact with other agents (and possibly humans) via some kind of agent-communication language.” 2021/2/2 Institute of Computer Software, Nanjing University 2 2