Enhancing social collaborative filtering through the application of non-negative matrix factorization and exponential random graph models.
Georgios AlexandridisGeorgios SiolasAndreas StafylopatisPublished in: Data Min. Knowl. Discov. (2017)
Keyphrases
- negative matrix factorization
- matrix factorization
- collaborative filtering
- random graph models
- nonnegative matrix factorization
- recommender systems
- social networks
- document clustering
- principal component analysis
- sparse representation
- social interaction
- machine learning
- user preferences
- knn
- social media
- similarity measure
- feature selection
- tensor factorization