Symmetric Metric Learning with Adaptive Margin for Recommendation.
Mingming LiShuai ZhangFuqing ZhuWanhui QianLiangjun ZangJizhong HanSonglin HuPublished in: AAAI (2020)
Keyphrases
- metric learning
- distance metric
- positive semi definite
- distance metric learning
- machine learning and pattern recognition
- margin maximization
- semi supervised
- kernel matrix
- pairwise
- distance function
- dimensionality reduction
- recommender systems
- mahalanobis metric
- feature space
- learning tasks
- support vector
- multi task
- semi supervised learning
- distance measure
- collaborative filtering
- data sets
- subject to linear constraints
- maximum margin
- positive semidefinite