<*algorithm*> A graph search algorithm. A* is guaranteed to
find a minimal solution path before any other solution paths,
if a solution exists, in other words, it is an "admissible"
search algorithm. Each path is assigned a value based on the
cost of the path (e.g. its length) and an (under)estimate of
the cost of completing the path, i.e. the cost of a path from
the end of the current path to a solution.

Last updated: 1995-03-31

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**Nearby terms:**
ASDL « ASDO IMPlementation Language « ASE « **A* search** » ASF » ash » Ashmedai

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Copyright Denis Howe 1985