Being the sort device which sorts the sort target data the sort device, on the basis of sort manner and the computer reading possible record

摘要

PROBLEM TO BE SOLVED: To accelerate a sorting speed by automatically selecting a sorting system corresponding to the property and quantity of sorting object data.;SOLUTION: The sorter is provided with a distribution sum-up part 30 for analyzing the distribution of a sorting object data group composed of a plurality of the sorting object data and obtaining the appearing frequency of the sorting object data for each sorting section based on a sorting key, a sorting section setting part 50 for setting the plural sorting sections for dividing the sorting object data group into plural based on the analyzed result of the distribution sum-up part 30, a sorting system selection part 40 for selecting quick sorting in the case that the appearing frequency is equal to or higher than a preset threshold and selecting a radic sorting in the case that the appearing frequency is lower than the threshold for each sorting section and a sorting execution part 60 for executing sorting for each sorting section based on the sorting system selected by the sorting system selection part 40.;COPYRIGHT: (C)2002,JPO