Optimizing top-n collaborative filtering via dynamic negative item sampling.
Weinan ZhangTianqi ChenJun WangYong YuPublished in: SIGIR (2013)
Keyphrases
- collaborative filtering
- user preferences
- recommender systems
- dynamic environments
- matrix factorization
- pearson correlation coefficient
- positive and negative
- item based collaborative filtering
- item recommendation
- collaborative filtering recommendation algorithm
- personalized recommendation
- user ratings
- cold start problem
- making recommendations
- recommendation systems
- user specific
- random sampling
- probabilistic matrix factorization
- genetic algorithm