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Title:基于协同过滤的教学视频标注方法

Institution:100200

Teaching and Research Group:1102

Scope of Patent:1

First Author:王斌

Application Number:201510112309.4

Number of Inventors:4

Service Invention or Not:No

Application Date:2015-03-14

Authorization Date:2017-09-22

Date:2020-06-04