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Strict Standards: Non-static method DB::isError() should not be called statically, assuming $this from incompatible context in /group/project/aicat/web/lib/database.php on line 34

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Catalogue of Artificial Intelligence Techniques

Catalogue of Artificial Intelligence Techniques

   

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Strict Standards: Non-static method DB::isManip() should not be called statically, assuming $this from incompatible context in /usr/share/pear/DB/common.php on line 2200

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Strict Standards: Non-static method DB::isError() should not be called statically, assuming $this from incompatible context in /usr/share/pear/DB/common.php on line 1666

Strict Standards: Non-static method DB::isError() should not be called statically, assuming $this from incompatible context in /usr/share/pear/DB.php on line 1387

Strict Standards: Non-static method DB::isError() should not be called statically, assuming $this from incompatible context in /usr/share/pear/DB/common.php on line 1683

Strict Standards: Non-static method DB::isError() should not be called statically, assuming $this from incompatible context in /group/project/aicat/web/lib/database.php on line 113

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A* Algorithm

Keywords: evaluation function, games

Categories: Search


Author(s): Maarten van Someren

A form of Heuristic Search that tries to find the cheapest path from the initial state to the goal. Its characteristic feature is the evaluation function. This is the sum of two components: the estimated minimum cost of a path from the initial state to the current state, and the estimated cost from the current state to the goal. The first component can be calculated if the Search Space is a tree, or it can be approximated by the cheapest known path if the search space is a graph. The second component must be defined, like any evaluation function, with respect to the domain. The heuristic power of this method depends on the properties of the evaluation function.


References:


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Strict Standards: Non-static method DB::isError() should not be called statically, assuming $this from incompatible context in /usr/share/pear/DB/common.php on line 1666

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Strict Standards: Non-static method DB::isManip() should not be called statically, assuming $this from incompatible context in /usr/share/pear/DB/common.php on line 2200

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Strict Standards: Non-static method DB::isError() should not be called statically, assuming $this from incompatible context in /usr/share/pear/DB/common.php on line 1666

Strict Standards: Non-static method DB::isError() should not be called statically, assuming $this from incompatible context in /usr/share/pear/DB.php on line 1387

Strict Standards: Non-static method DB::isError() should not be called statically, assuming $this from incompatible context in /usr/share/pear/DB/common.php on line 1683

Strict Standards: Non-static method DB::isError() should not be called statically, assuming $this from incompatible context in /group/project/aicat/web/lib/database.php on line 113
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