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融合用户相似度与信任度的协同过滤推荐算法 被引量:4

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摘要 传统的协同过滤算法难以解决"稀疏性"和"冷启动"等问题。鉴于此,提出一种融合用户相似度和信任度的方法。首先根据用户对共同项目的评分创建初始信任度,通过信任关系的传递规则,建立没有直接信任关系的用户之间的信任关系,然后融合用户相似度与信任度,用于传统的协同过滤推荐系统,找出用户的最近邻居集,进行项目的评分预测,从而产生推荐列表。实验表明,改进后的算法能有效提高系统推荐的准确性。
作者 蒋宗礼 李慧
出处 《软件导刊》 2017年第6期28-31,共4页 Software Guide
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