Abstract
Multilevel indexes have long been used for accessing records in sorted files. Given the access cost at each level, the total cost of retrieving a record from the file can be substantially reduced by selecting the proper size of the index at each level. Organizations involving a variable number of levels are covered and binary searching is compared to sequential searching.
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Shneiderman, B. A model for optimizing indexed file structures. International Journal of Computer and Information Sciences 3, 91–101 (1974). https://doi.org/10.1007/BF01355589
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DOI: https://doi.org/10.1007/BF01355589