Removing duplicate objects from an object store

Details Removing duplicate objects from an object store Removing duplicate objects from an object store

2005-05-31

2005-05-31

Corrielus, Jean M. (Department: 2162)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000, C707S793000, C709S204000, C709S206000, C709S234000

Reexamination Certificate

active

06901413

ABSTRACT:
A computer program for removing duplicate objects from an object store. The program allows the user to select which properties of the objects will be compared to determine equivalence. These properties are then read and a signature number is calculated based on the values of the those properties, using the cyclic redundancy code. Prior to the calculation of the signature, special cases are accounted for by modifying the properties. Such special cases can include: missing critical properties which can be calculated, text field formatting and leading and lagging spaces, order of attachments, order of categories, name properties, and recurring appointments. Once the signature values are calculated, objects with the same signature are, by definition, equivalent by the properties the user selected. Prior to discarding all but one of the equivalent objects, the program can check whether the object contains a link. As between two equivalent objects, the one with the link should be retained.

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