SILO 12.13
Matrix Completion
Rob
推荐系统中的非线性
dependency是非线性
Low-Rank Matrix Completion (LRMC)
subspace clustering, Ehsan Elhanmifar, Rene Vidal, CVPR 2009
Subspace Clustering with Missing Data (SCMD)
- 需要知道有几个subspace进行clustering
- 需要知道每一个cluster的rank
Generalized principal component analysis (FPCA) 2005, Rene, Yi Ma
quadratic表达方式的rank对于algebraic structure非常敏感
Low Algebraic Dimension Matrix Completion
ICML 2017
Appendix
可以考虑时序上的推荐系统
考虑新的操作,不止matrix sum,而是考虑到乘法
$$x_1^2 , x_1 \times x_2, x_2^2$$能分辨出rank为2,或者定义一种新的rank?类似division rank