Imputation Strategies for Cold-Start Users in NMF-Based Recommendation Systems.
Fatemah AlghamedyJun ZhangPublished in: ICISDM (2019)
Keyphrases
- recommendation systems
- cold start
- collaborative filtering
- recommender systems
- tag recommendation
- recommendation quality
- recommendation algorithms
- matrix factorization
- cold start problem
- user preferences
- personalized recommendation
- data sparsity
- user feedback
- user ratings
- implicit feedback
- search engine
- missing data
- user profiles
- collaborative filtering algorithms
- information overload
- user interests
- text classification
- filtering algorithm
- language model
- pairwise