User preferences.
收藏DataCite Commons2020-09-19 更新2025-04-15 收录
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https://f1000research.com/articles/7-110/v1#DS0
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资源简介：
This file contains two columns (User_Code, Item_Code), the first column User_Code is the code assigned to each user and the second column Item_Code contains the encoded product that the user prefers.
创建时间：
2018-01-25
