Subject

    Computer Science

    Topic

    Artificial Intelligence

    Beam search keeps how many nodes at each level?

    a)
    All nodes
    b)
    Only one node chosen at random
    c)
    Only the deepest node
    d)
    Only the best k nodes (the beam width)

    Explanation

    Limiting the beam saves memory, but the best path may be pruned, so beam search is not complete.

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