t includes rating data and trust data two data files. Rating data file consists of 49290 users on 139738 different items comments, where each row of data format is: user_id item_id rating_value. For example, 23 387 5, denotes that the comment of user 23 to item 387 is 5. There are 487181 trust comments in the trust data file, where each row of data format is: source_user_id target_user_id trust_statement_value.

Filename	Size	Update
社交网络数据集\ratings_data.txt	8652800	2011-01-06
社交网络数据集\trust_data.txt	6359040	2011-01-06
社交网络数据集	0	2018-08-02

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