SAVING METHOD FOR TIME-SERIES DATA, TIME-SERIES DATABASE SYSTEM, METHOD AND SYSTEM FOR PROCESSING TIME-SERIES DATA, TIME-SERIES DATA DISPLAY SYSTEM, AND RECORDING MEDIUM

摘要

PROBLEM TO BE SOLVED: To efficiently read, transfer, and display necessary data and so on fast even when a large amount of data are stored.;SOLUTION: When time-series data are saved on a recording medium, inputted time-series data a1 and a2 with a sampling period ΔT0, etc., are saved in series and converted into hierarchical time-series data having a plurality of sampling periods ΔT1 to ΔTm longer than ΔTO, so that they are saved while related to each other.;COPYRIGHT: (C)2004,JPO