AAAI Publications, Eleventh Annual Symposium on Combinatorial Search

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Position Paper: Using Early Goal Test in A*
Ariel Felner

Last modified: 2018-07-02


This paper focuses on the stopping condition of A*. Traditionally, A* is described such that the goal test is done oncea node is chosen for expansion (A*-LATE). An alternativeway is to perform the goal test when a node is generated (A*-EARLY). In this position paper we compare the two approaches from pedagogical and practical aspects and advocatefor teaching and using A*-EARLY.

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