COMPUTER-READABLE RECORDING MEDIUM STORING DETECTION PROGRAM, DETECTION METHOD, AND DETECTION APPARATUS
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United States of America Patent
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Issued Date -
Apr 18, 2024
app pub date -
Jul 28, 2023
filing date -
Oct 12, 2022
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Abstract
A non-transitory computer-readable recording medium stores a detection program for causing a computer to execute a process. In the process, the computer generates weighted graph structure data for a plurality of pieces of time-series data, with a partial correlation specified based on a matrix calculated by solving an optimization problem about a precision matrix for the plurality of pieces of time-series data, as a weight of a side in a graph; and detects a sign of an anomaly, based on distribution of data points in a predetermined region in a persistence diagram obtained by a persistent homology transformation for the weighted graph structure data.
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