Recommendation as a service (RaaS): New challenges for, and evaluation metrics of recommender systems.
Gerald EichlerKarl-Heinz LükePublished in: ICIN (2013)
Keyphrases
- recommender systems
- evaluation metrics
- collaborative filtering
- precision and recall
- learning to rank
- average precision
- trust aware
- user preferences
- personalized recommendation
- evaluation framework
- matrix factorization
- cold start problem
- recommendation algorithms
- recommendation systems
- recommendation quality
- user profiling
- personalized services
- data sparsity
- information overload
- cold start
- implicit feedback
- evaluation measures
- user profiles
- item based collaborative filtering
- hybrid recommendation
- user model
- product recommendation
- personal preferences
- latent factor models
- evaluation methodology
- co occurrence
- learning algorithm
- content based filtering