Resolving data sparsity and cold start problem in collaborative filtering recommender system using Linked Open Data.
Senthilselvan NatarajanSubramaniyaswamy VairavasundaramSivaramakrishnan NatarajanAmir H. GandomiPublished in: Expert Syst. Appl. (2020)
Keyphrases
- cold start problem
- linked open data
- data sparsity
- collaborative filtering
- recommender systems
- linked data
- cold start
- matrix factorization
- semantic web
- metadata
- recommendation quality
- semantic technologies
- life sciences
- user preferences
- hybrid recommendation
- personalized recommendation
- recommendation systems
- user ratings
- user interests
- user feedback
- transfer learning
- structured data
- collaborative filtering algorithms
- query processing
- information overload
- rdf data
- implicit feedback
- user model
- prediction accuracy
- feature selection