Question: a) Describe how the breadth-first and depth-first search algorithms explore a state space graph. Compare and contrast the two algorithms in terms of their storage

a) Describe how the breadth-first and depth-first search algorithms explore a

a) Describe how the breadth-first and depth-first search algorithms explore a state space graph. Compare and contrast the two algorithms in terms of their storage requirements and their speed in finding a goal if such a goal state exists. (10 marks) b) Explain how and why alpha-beta pruning can be used to improve the performance of the MINIMAX algorithm when dealing with large search spaces. (10 marks) c) The diagram underneath represents a graph where the task is to reach the goal state K from the start state A by following the lowest-cost path between the two states. For each state in the diagram, a heuristic estimate of the distance from that state to K is indicated above the state in italics. For each arc connecting two states, the actual cost of traversing the arc forms a label for the arc. Show how an A algorithm (would go about finding the shortest path between A and K. (12 marks) d) Explain what is meant by the term conflict resolution in the production system model, and describe four possible conflict resolution strategies, outlining reasons why each approach might be chosen. (12 marks) Briefly describe how the RETE algorithm can be used to improve the efficiency of rule-based systems when dealing with conflict resolution and the contents of working memory. (6 marks) (Total: 50 marks)

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