Question: (a) (b) (c) Describe what is meant by a knowledge base. How does a knowledge base differ from a database? 2 marks Suppose we

(a) (b) (c) Describe what is meant by a knowledge base. How does a knowledge base differ from a database? 2

(a) (b) (c) Describe what is meant by a knowledge base. How does a knowledge base differ from a database? 2 marks Suppose we have a knowledge base for an agent exploring the pictured Wumpus World. 555555 Stench S 4 3 2 1 215 55 Stench S START Breeze- 555555 Stench 11 Gold Breeze- Breeze PIT Breeze- PIT PIT Breeze Breeze 2 3 The agent can move up, down, left, or right. If the agent is in a cell next to a pit they can feel a breeze, and if the agent is in a cell next to the Wumpus they can smell a stench. Formulate these rules as sentences of first order logic, and describe how the agent's knowledge base evolves as the agent moves from cell (1,1) to (1,2) back to (1,1), and across to (2,1). 5 marks Explain the key concepts of a partial order planner, using a simple game (like Hanabi) as an example.

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