Alleviating data sparsity problem in time-aware recommender systems using a reliable rating profile enrichment approach.
Sajad AhmadianNima JoorablooMahdi JaliliMilad AhmadianPublished in: Expert Syst. Appl. (2022)
Keyphrases
- data sparsity
- recommender systems
- collaborative filtering
- user profiles
- recommendation quality
- matrix factorization
- cold start problem
- injection attacks
- cold start
- user ratings
- collaborative filtering algorithms
- information overload
- user preferences
- personalized recommendation
- user interests
- netflix prize
- collaborative filtering recommender systems
- user profiling
- hybrid recommendation
- rating prediction
- recommendation systems
- item based collaborative filtering
- implicit feedback
- data sets
- user model
- information retrieval
- collaborative recommendation
- user generated content
- user feedback
- feature selection