说明：  :简要介绍了电子商务推荐系统的概念、作用及组成构件,给出了推荐技术分类标准,系统综述了协同 过滤推荐、基于内容推荐、基于人口统计信息推荐、基于效用推荐、基于知识推荐和基于规则推荐等6 种主要的推 荐技术。
(: Briefly introduce the concept of e-commerce recommendation system, the role and composition of components, given the recommended technical classification standards, the system recommended by an overview of collaborative filtering, content-based recommendation, based on demographic information recommendation, based on the effectiveness of the recommendation of the knowledge-based recommendation and 6 kinds of rule-based recommendation technology major recommendation.)