Title:
INFORMATION PROCESSING SYSTEM AND INFORMATION PROCESSING METHOD
Document Type and Number:
WIPO Patent Application WO/2022/201354
Kind Code:
A1
Abstract:
An information processing system according to an embodiment comprises: one or more storage units which store a data set comprising a plurality of items of data, and internal data that is an internal data structure regarding the data set; and an acquisition unit which, upon receiving a specification of an acquisition condition including a search range of key values included in the data, uses the internal data for each of a plurality of data sets to acquire data satisfying the acquisition condition from a data set obtained by performing a prescribed operation on the plurality of data sets. The prescribed operation includes a first operation that combines two or more data sets using the key values in such a way that each item of data in each data set is combined with at most one item of data in the other data set in ascending or descending order of key value, and if there is no data to be combined, a null value is set for a data item constituting the other data set.
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Inventors:
FURUSHO SHINJI (JP)
Application Number:
PCT/JP2021/012216
Publication Date:
September 29, 2022
Filing Date:
March 24, 2021
Export Citation:
Assignee:
FURUSHO SHINJI (JP)
International Classes:
G06F16/2458; G06F16/28
Foreign References:
| JP2005128676A | 2005-05-19 | |||
| JP2007034878A | 2007-02-08 |
Other References:
FURUSHO SHINJI, ATZUKI IIZAWA: "Zap-Over: Browsing method using SVL for big data distributed on the Internet", THE 10TH FORUM ON DATA ENGINEERING AND INFORMATION MANAGEMENT (THE 16TH ANNUAL CONFERENCE OF THE DATABASE SOCIETY OF JAPAN, 2 April 2018 (2018-04-02), pages 1 - 8, XP055974822, Retrieved from the Internet [retrieved on 20221026]
YAMAMOTO YUKIO, FURUSHO SHINJI, OZAMOTO YOSHIKATSU, KOBAYASHI MASAHIDE, HAYABE SHUICHI, IIZAWA ATSUSH,I NAGAO TADASHI: "Joint research on high- speed access of large-scale time series data, 2nd year", SPACE SCIENCE INFORMATICS SYMPOSIUM FY2020, 19 February 2021 (2021-02-19), pages 1 - 11, XP055974824, [retrieved on 20221026]
YAMAMOTO YUKIO, FURUSHO SHINJI, OZAMOTO YOSHIKATSU, KOBAYASHI MASAHIDE, HAYABE SHUICHI, IIZAWA ATSUSH,I NAGAO TADASHI: "Joint research on high- speed access of large-scale time series data, 2nd year", SPACE SCIENCE INFORMATICS SYMPOSIUM FY2020, 19 February 2021 (2021-02-19), pages 1 - 11, XP055974824, [retrieved on 20221026]
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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