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What is a plan?

  • A.A description of the state of the world after all actions are complete
  • B.A set of the goals that the agent is currently attempting to achieve
  • C.A record of the search the planner performed while finding a solution
  • D.A sequence of actions achieving the goal from the initial state

Answer: D

A plan is the action sequence, since the agent needs to know what to do rather than merely what will result. Partial order planners produce a set of actions with orderings, any linearisation of which serves. Final states, goal sets and search records are different objects. Being clear about what the planner is asked to produce determines what bookkeeping the search must carry, which is the same consideration as recovering a path in ordinary search.

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