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认为群推荐是对群体用户进行个性化推荐的技术,群推荐的一个重要步骤就是聚集,即将针对个体的推荐项目聚集成对群体的推荐,或者将个体的偏好聚集成群体的模型,聚集策略就是在聚集时所采取的方式。通过文献的梳理,介绍群推荐的群体形成和生成推荐过程,比较聚集策略的类型和应用,对聚集中存在的尴尬和隐私问题、群成员间交互问题、成员间差异性问题和基于群成员社交影响力的策略进行详细阐述,并展望聚集策略尚需进一步研究的方面。
It is considered that group recommendation is a technique for personalized recommendation of group users. An important step in group recommendation is gathering, which is to gather recommendation items for individuals into recommendation to groups or to group individual preferences into a grouping model The approach taken when gathering. Through the literature review, we introduce the recommended group formation and recommendation process, compare the types and applications of aggregation strategies, find out the embarrassment and privacy problems in the aggregation, the interaction among group members, the differences among members and the social interaction based on group members Influential strategy elaborated, and prospects for clustering strategy still need further study.