Why Does Collaborative Filtering Work? Transaction-Based Recommendation Model Validation and Selection by Analyzing Bipartite Random Graphs.
Zan HuangDaniel Dajun ZengPublished in: INFORMS J. Comput. (2011)
Keyphrases
- collaborative filtering
- random graphs
- model validation
- recommender systems
- undirected graph
- recommendation systems
- data sparsity
- user preferences
- graph theoretic
- personalized recommendation
- matrix factorization
- learning curves
- web page recommendation
- recommendation algorithms
- cold start problem
- latent factor models
- product recommendation
- special case
- recommendation quality
- online dating
- user interests
- user ratings
- link prediction
- cold start
- making recommendations
- small world
- spanning tree
- bayesian networks
- item recommendation
- image segmentation