1. What distinguishes a knowledge-based agent from an agent that reacts without maintaining an internal world model?
2. In a generic knowledge-based agent cycle, what happens after the agent receives a percept and tells the knowledge base what it perceives?
3. What is a knowledge base in a knowledge-based system?
What does a knowledge-based agent maintain, and how does it use that knowledge?
It maintains an internal world representation, reasons over it, updates it from observations, and selects actions.
What are the two components of a knowledge-based agent?
A knowledge base and an inference system.
What does a knowledge base store, and how are its sentences expressed?
It stores facts about the world in a knowledge representation language.
What does inference derive, and by applying what?
It derives new sentences from existing sentences by applying logical rules.
What specifies an agent at the knowledge, logical, and implementation levels?
Its knowledge and goals, logical sentences, and physical representations used for actions, respectively.
How many rooms make up the Wumpus world cave?
16 rooms.
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