Method and apparatus to map associations with BitSets

Details Method and apparatus to map associations with BitSets Method and apparatus to map associations with BitSets

2011-08-23

2011-08-23

Morrison, Jay A (Department: 2168)

Data processing: database and file management or data structures

Database and file access

Preparing data for information retrieval

C707S745000, C707S758000, C707S769000

Reexamination Certificate

active

08005834

ABSTRACT:
Database systems using BitSets to model and manage relationships between and/or among entities describing the corresponding fast user defined scalar and column functions used for BitSets, including a technique to model categorization and steps to perform rule evaluation from retrieving the entities associated with ancestors and descendent categories, as well as a technique to model Boolean Expression using Bitsets for relationships and the steps to perform fast Boolean evaluation.

REFERENCES:
patent: 6460043 (2002-10-01), Tabbara et al.
patent: 6996574 (2006-02-01), Gluckman
patent: 2003/0135495 (2003-07-01), Vagnozzi
patent: 2004/0177065 (2004-09-01), Tropf
Morzy, T. and Zakrzewicz, M. “Group bitmap index: A structure for association rules retrieval.” KDD-98, 1998.

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