Identifying history of modification within large collections...

Details Identifying history of modification within large collections... Identifying history of modification within large collections...

2003-12-17

2009-02-10

Ali, Mohammad (Department: 2169)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000

Reexamination Certificate

active

07490116

ABSTRACT:
A technique for efficient representation of dependencies between electronically-stored documents, such as in an enterprise data processing system. A document distribution path is developed as a directional graph that is a representation of the historic dependencies between documents, which is constructed in real time as documents are created. The system preferably maintains a lossy hierarchical representation of the documents indexed in such a way that allows for fast queries for similar but not necessarily equivalent documents. A distribution path, coupled with a document similarity service, can be used to provide a number of applications, such as a security solution that is capable of finding and restricting access to documents that contain information that is similar to other existing files that are known to contain sensitive information.

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Brin, S., et al.: “Copy Detection Mechanisms for Digital Documents,”SIGMOD Record, ACM, New York, NY, vol. 24, No. 2, pp. 398-409 (Jun. 1, 1995).

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