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Patent Searching and Data


Title:
ANALYSIS SERVER DEVICE, DATA ANALYSIS SYSTEM, AND DATA ANALYSIS METHOD
Document Type and Number:
WIPO Patent Application WO/2017/168524
Kind Code:
A1
Abstract:
A technology for extracting a factor (pattern of event) that affects an objective index (objective variable) is provided. A data analysis device according to the present disclosure executes, with respect to explanatory variable data included in data to be analyzed, a process for generating a time-series pattern in a predetermined range, a process for calculating a correlation value between the time-series pattern and at least one piece of objective variable data included in the data to be analyzed, and a process for outputting, as an analysis result, the time-series pattern corresponding to the correlation value with the correlation value.

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Inventors:
SERITA SUSUMU (JP)
TAJIMA YOSHIYUKI (JP)
AKITOMI TOMOAKI (JP)
KUDO FUMIYA (JP)
Application Number:
PCT/JP2016/059940
Publication Date:
October 05, 2017
Filing Date:
March 28, 2016
Export Citation:
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Assignee:
HITACHI LTD (JP)
International Classes:
G06F17/30; G06F19/00
Domestic Patent References:
WO2014033855A12014-03-06
Foreign References:
JP2011123652A2011-06-23
Other References:
KENJI ARAI ET AL.: "A Method for Multi Stream Prediction Based on Correlation Using Simultaneous Observation Cluster Group", IEICE TECHNICAL REPORT, vol. 111, no. 477, 5 March 2012 (2012-03-05), pages 183 - 190
YASUSHI SAKURAI: "Stream Mining Techniques for Time-Series Data", IPSJ MAGAZINE, vol. 47, no. 7, 15 July 2006 (2006-07-15), pages 755 - 761
ZHU, YUNYUE ET AL.: "StatStream: Statistical Monitoring of Thousands of Data Streams in Real Time", PROCEEDINGS OF THE 28TH VLDB CONFERENCE, 20 August 2002 (2002-08-20) - 23 August 2002 (2002-08-23), pages 358 - 369, XP058345779
Attorney, Agent or Firm:
HIRAKI Yusuke et al. (JP)
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