NCShield: Securing decentralized, matrix factorization-based network coordinate systems.

Shining Wu Yang Chen Xiaoming Fu Jun Li

Published in: IWQoS (2012)

Keyphrases

matrix factorization
coordinate systems
collaborative filtering
recommender systems
low rank
missing data
negative matrix factorization
small number
factorization methods
multiscale
data points
nonnegative matrix factorization
geometric transformations
item recommendation