Data Sparsity: A Key Disadvantage of User-Based Collaborative Filtering?

Biyun Hu Zhoujun Li Wen-Han Chao

Published in: APWeb (2012)

Keyphrases

data sparsity
collaborative filtering
user based collaborative filtering
recommender systems
matrix factorization
cold start problem
transfer learning
data mining
social media
user profiles
user preferences
recommendation systems
user ratings