Invention Grant
- Patent Title: Transition regularized matrix factorization for sequential recommendation
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Application No.: US17052487Application Date: 2018-05-04
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Publication No.: US11269900B2Publication Date: 2022-03-08
- Inventor: Mahashweta Das , Hao Yang , Shamim Samadi
- Applicant: Visa International Service Association
- Applicant Address: US CA San Francisco
- Assignee: Visa International Service Association
- Current Assignee: Visa International Service Association
- Current Assignee Address: US CA San Francisco
- Agency: Kilpatrick Townsend & Stockton LLP
- International Application: PCT/US2018/031179 WO 20180504
- International Announcement: WO2019/212570 WO 20191107
- Main IPC: G06F17/00
- IPC: G06F17/00 ; G06F7/00 ; G06F16/2457 ; G06F16/2453 ; G06F16/248 ; G06Q30/06

Abstract:
Apparatuses, methods, and systems are provided for making sequential recommendations using transition regularized non-negative matrix factorization. A non-application specific collaborative filtering based personalized recommender system can recommend a next logical item from a series of related items to a user. The recommender system can recommend a next desirable or series of next desirable new items to the user based on the historical sequence of all user-item preferences and a user's most recent interaction with an item. An asymmetric item-to-item transition matrix can capture aggregate sequential user-item interactions to design a loss function for matrix factorization that incorporates the transition information during decomposition into low-rank factor matrices.
Public/Granted literature
- US20210263939A1 TRANSITION REGULARIZED MATRIX FACTORIZATION FOR SEQUENTIAL RECOMMENDATION Public/Granted day:2021-08-26
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