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:
Nov. 12, 2019
Filed:
Feb. 06, 2017
Wal-mart Stores, Inc., Bentonville, AR (US);
Lei Tang, Milpitas, CA (US);
Patrick Harrington, San Francisco, CA (US);
Tao Zhu, Millbrae, CA (US);
WALMART APOLLO, LLC, Bentonville, AR (US);
Abstract
Providing personalized item recommendations using scalable matrix factorization with randomness. Various embodiments involve ecommerce websites, an item interaction matrix, item interaction weightings, factorizing into a user feature matrix and an item feature matrix, computing a thin matrix, generating a random Gaussian matrix, decomposing a matrix Y by a QR factorization, performing a singular value decomposition, performing alternative least squares, computing item interaction scores, selecting at least one item for recommendation to an Internet user based on the item interaction scores, or a combination thereof.