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, 2010
Filed:
Feb. 17, 2006
Kaushik Shriraghav, Bellevue, WA (US);
Surajit Chaudhuri, Redmond, WA (US);
Nilesh N. Dalvi, Seattle, WA (US);
Kaushik Shriraghav, Bellevue, WA (US);
Surajit Chaudhuri, Redmond, WA (US);
Nilesh N. Dalvi, Seattle, WA (US);
Microsoft Corporation, Redmond, WA (US);
Abstract
The claimed subject matter relates to incorporating a skyline operator within a relational database engine, and more particularly to a database engine that utilizes novel techniques to determine the lowest cost of generating the skyline produced by the skyline operator. The database engine receives queries and associated preferences and, based on a cardinality estimate and a cost estimate, an appropriate skyline generating technique is utilized to produce a skyline representative of the received queries and its associated preferences.