Epinion

Epinions 数据集是信任网络数据集。对于每个用户，它包含他的个人资料、他的评级和他的信任关系。对于每个评分，它都有产品名称及其类别、评分分数、创建评分的时间点以及该评分的有用性。

The Epinions dataset is a trust network dataset. For each user, it includes their personal profile, submitted ratings, and trust relationships. For each rating entry, it contains the product name and its corresponding category, the rating score, the timestamp when the rating was created, as well as the usefulness of this rating.