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:
Mar. 12, 2019
Filed:
May. 17, 2017
International Business Machines Corporation, Armonk, NY (US);
Ke Wei Wei, Beijing, CN;
Maryela E. Weihrauch, San Jose, CA (US);
Hao Wu, Beijing, CN;
Xin Ying Yang, Beijing, CN;
Miao Zheng, Beijing, CN;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A computer maps a literal in a database query to a digital representation, wherein the database query comprises a predicate, the literal is a part of the predicate, and the digital representation is predetermined based at least in part on external statistical data. The computer estimates a filter factor for the predicate based at least in part on the digital representation and compressed statistical data, wherein the compressed statistical data are prepared at least in part from the external statistical data.