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. 17, 2020
Filed:
Apr. 22, 2019
Alibaba Group Holding Limited, George Town, KY;
Wangshu Zhang, Hangzhou, CN;
Zhiwei Shi, Hangzhou, CN;
Junhong Liu, Hangzhou, CN;
Jie Cai, Hangzhou, CN;
Xiang Hu, Hangzhou, CN;
Defeng Mao, Hangzhou, CN;
Alibaba Group Holding Limited, George Town, Grand Cayman, KY;
Abstract
A query is received from a user at a data service engine. The query includes a string of characters. A number of candidate topics are identified by the data service engine based on the query. A similarity score is determined between the query and each of the plurality of candidate topics based on a Vector Propagation On a Click Graph (VPCG) model trained based on user click data. A number of candidate topics are ranked based on the similarity scores. One or more topics are selected from the ranked candidate topics. The selected topics are outputted via a user interface (UI).