The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 27, 2004
Filed:
Apr. 17, 2000
Applicant:
Inventors:
Karthikeyan Ramasamy, Madison, WI (US);
Jignesh M. Patel, Ann Arbor, MI (US);
Jeffrey F. Naughton, Madison, WI (US);
Assignee:
NCR Corporation, Dayton, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/730 ;
U.S. Cl.
CPC ...
G06F 1/730 ;
Abstract
A novel partition-based set containment join algorithm, known as Set Partitioning Algorithm (SPA), is performed by a relational database management system to aggressively partition set-valued attributes into a very large number of partitions, in order to minimize the impact of excessive replication and improve performance.