Document Type

Other

Publication Date

11-1994

Abstract

A modeling technique the Capitalist model is outlined for analyzing multi-dimensional file struc- tures It is particularly appropriate where the data keys may have non-uniform data distributions The basis of the model is to assume that the current distribution of data in an existing file is a good predictor of the underlying "true" distribution The method is applied to formal analysis of the BANG and NIBGF directory structures The average cost for search and insertion is found to be logarithmic in the file size The order constant is quite small and depends on the capacity of a bucket Simulation confirms the analytic results This first use of the Capitalist model suggests its usefulness to the analysis of other multidimensional file structures

DOI

WPI-CS-TR-94-04

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