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File detection device and method

  • US 8,145,687 B2
  • Filed: 04/08/2009
  • Issued: 03/27/2012
  • Est. Priority Date: 04/08/2009
  • Status: Active Grant
First Claim
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1. A file detection device, included in a network node controller, for detecting a specified file among a plurality of files stored in a storage device, comprising:

  • an access history management unit for managing an access history of a client with respect to individual files that constitute the plurality of files; and

    a file detection unit for detecting a file, which is accessed between a time when a corresponding user logs into the storage device and a time when any of the plurality of files is updated on the basis of information of the access history, as a reference source candidate for the updated file,wherein the access history management unit receives a file access request from the client and provides the client with file access services that provide the client with a file designated by the file access request among the plurality of files stored in the storage device,wherein the network node controller constitutes a network connection storage device together with the storage device, andwherein the network node controller is connected to the client via a network.

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