Title:
データ管理装置、データ管理方法、プログラム、及びデータ管理システム
Document Type and Number:
Japanese Patent JP7285511
Kind Code:
B2
Abstract:
To improve security when a database is shared.SOLUTION: A vector conversion unit 30 converts each record of a plurality of databases into vector data. A database access unit 31 registers the vector data and an administrator identifier of an administrator of the database including the record corresponding to the vector data in a vector database. A block-chain access unit 32 registers the administrator identifier in a block-chain. An update data acquisition unit 33 acquires information on field update from any of the administrators of the plurality of databases. A similarity calculation unit 34 calculates the similarity between the vector data stored in the vector database and vector data to be updated. An update information notification unit 35 notifies the administrator of the database including the record corresponding to similar vector data whose similarity satisfies a predetermined condition of the information regarding the field update.SELECTED DRAWING: Figure 2
Inventors:
Junichi Horiguchi
Kenichi Motegi
Hisashi Okumura
Toshiya Ogata
Hiroomi Katayama
Kenichi Motegi
Hisashi Okumura
Toshiya Ogata
Hiroomi Katayama
Application Number:
JP2019085404A
Publication Date:
June 02, 2023
Filing Date:
April 26, 2019
Export Citation:
Assignee:
ZEROBILLBANK JAPAN Co., Ltd.
TOPPAN Edge Co., Ltd.
TOPPAN Edge Co., Ltd.
International Classes:
G06F16/25; G06F16/27
Domestic Patent References:
| JP2015187828A | ||||
| JP2003122845A | ||||
| JP2002279135A | ||||
| JP2013037567A | ||||
| JP2009099007A |
Attorney, Agent or Firm:
Michihiro Izumi
Kyosuke Kutsune
Kensuke Terakawa
Kyosuke Kutsune
Kensuke Terakawa
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