Best first search - PowerPoint PPT Presentation

Heuristic Search

Heuristic Search. Heuristic Search. Best First Search A*. Heuristic Search. Heuristic search exploits additional knowledge about the problem that helps direct search to more promising paths. A heuristic function that gives us an estimate of how far we are from a goal. Example:

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833 views • 54 slides

Heuristic Search

Heuristic Search. Intro to Prolog. Heuristic Algorithm. Two Parts Heuristic Measure Algorithm that uses it to search the state space. Tic Tac Toe. Exhaustive Search Total Number of States 9x8x7x6… =9!. How to Decrease Search Space?. Configuration Equivalent under symmetric operation

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510 views • 24 slides

Informed Search

Informed Search. Informed vs. Uninformed. Uninformed Search: just takes the information available in the problem description Informed Search: Takes additional problem specific properties to guide the search A way of “engineering knowledge” into the search. Best First Search.

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485 views • 21 slides

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