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Title:
DATA ACCESS CONTROL SYSTEM, SERVER, CLIENT, METHOD, AND PROGRAM
Document Type and Number:
Japanese Patent JP2017078999
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To perform data access control at the time of off-line while reflecting the state and conditions of a client.SOLUTION: A server 10 includes: a data storage unit 11 for storing data and context policy; an access propriety determination unit 12 for determining data access propriety on the basis of the context policy and context information; and a data provision unit 13 for providing a client 20 with the data and context policy determined to be accessible when a data access request and context information are received. A client 20 includes: a context information collection unit 21; an on-line data access unit 22 for transmitting the data access request and context information to the server 10 to store the provided data and context information in a data storage unit 23; and an off-line data access unit 24 for determining access propriety to the stored data on the basis of the stored context policy and context information at the time of off-line.SELECTED DRAWING: Figure 1

Inventors:
MURAKAMI TAKUYA
HIGUCHI NAOSHI
Application Number:
JP2015207374A
Publication Date:
April 27, 2017
Filing Date:
October 21, 2015
Export Citation:
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Assignee:
NEC CORP
International Classes:
G06F21/62
Attorney, Agent or Firm:
Masahiko Desk
Naoki Shimosaka