管理学 情报服务技术 释 collaborative recommendation 协同推荐 利用协同过滤算法进行的个性化推荐技术，根据与目标用户相似的用户行为，推断目标用户对特定产品的喜好程度，然后根据这一喜好程度进行相应的推荐。
计算机应用 基于网络的信息服务 释文 social recommendation, collaborative recommendation 协同推荐
- variance-balanced block design
- variance between classes
- variance between clusters
- variance between laboratories
- variance component
- variance component model
- variance component models
- variance-covariance analysis
- variance-covariance component estimation
- variance-covariance matrix
- variance-covariance propagation law
- variance estimation
- variance functon
- variance inflation factor
- variance matrix
- variance of an estimator
- variance of a probability distribution
- variance of a random variable
- variance of unit weight
- variance per unit weight
- variance ratio
- variance ratio test
- variance reduction
- Variance-sociolinguistics（Variation socialinguistics, Variationist socialinguistics）
- variance-stabilizing transformation