DATA STRUCTURING METHOD, DATA RECONSTRUCTION METHOD, DATA STRUCTURING PROGRAM, DATA RECONSTRUCTION PROGRAM, AND DATA ENCODING APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide an efficient data representation method capable of reducing a data quantity for a tabular data set.SOLUTION: The data structuring method includes the steps of: for a data set T, (a) extracting a set of values that are not overlapped in each column of the data set T to generate data sets Cl-Cn; (b) rewriting each data of the data set T by referring to the data sets Cl-Cn to generate data set T0; (c) in a combination of all columns of the data set T0, extracting a set of values that are not overlapped when connecting values for each row to generate a data set CpCq; (d) in the data set CpCq generated in the step (c), defining the CpCq corresponding to a pair D1 as a combination of columns having a smallest number of rows, as a data set D1; and (e) rewriting the data set T0 by referring to the data set D1 by the pair D1 to generate a data set T1.