Exploiting Data Sparsity in Parallel Matrix Powers Computations.

Nicholas Knight Erin C. Carson James Demmel

Published in: PPAM (1) (2013)

Keyphrases

data sparsity
collaborative filtering
matrix factorization
matrix multiplication
recommender systems

transfer learning
cold start problem
singular value decomposition
parallel computation

distributed memory
linear algebra
association rules
recommendation quality

parallel implementation
user ratings
similarity measure
hybrid recommendation