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Communications of the ACM

Communications of the ACM

An efficient procedure for the generation of closed subsets

An efficient algorithm is described for generating subsets of a set S which satisfy constraints of the form: “If si is a member of the subset, then sj must also be a member of the subset.” The algorithm has been programmed in the WISP language and successfully run on the IBM 7094 in connection with a routine to detect feedback in multidimensional iterative networks.

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