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METHOD AND APPARATUS FOR MANAGING DATA HAVING ACCESS RESTRICTION INFORMATION

  • US 20100023523A1
  • Filed: 01/28/2009
  • Published: 01/28/2010
  • Est. Priority Date: 07/28/2008
  • Status: Abandoned Application
First Claim
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1. A data managing method of providing a predetermined piece of information according to access restriction information established with regard to each piece of data, the method comprising:

  • establishing the access restriction information with regard to the data when the data is stored;

    determining whether an access to the data is permitted by detecting access valid time of the data from the access restriction information; and

    establishing that an access to the data is permitted or restricted according to the determination result.

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