Beam search

An optimisation of the best first search graph search algorithm where only a predetermined number of paths are kept as candidates.

The number of paths is the "width of the beam".

If more paths than this are generated, the worst paths are discarded.

This reduces the space requirements of best first search.

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BDPA be BEA beam beamer	best first search	bean beanie key bearer channel bear paw Beats the shit outa me