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The speed–accuracy trade-off (impact of weighted A* (WA*) on heuristic search performance), illustrated through the reduction in the number of nodes explored to reach a solution. (a) Reduction in search space for the 8-puzzle depending on the variation of the weighting coefficient (x axis, arbitrary units) (b) Restriction of impact depending on the stage of intervention for the 8-puzzle, for a weighting coefficient (0.57) known to reduce the search space.
