Optimizing multiple objectives in collaborative filtering.
Tamas JamborJun WangPublished in: RecSys (2010)
Keyphrases
- multiple objectives
- collaborative filtering
- multi objective
- recommender systems
- problems involving
- pareto optimal
- matrix factorization
- multi objective optimization
- goal programming
- multi objective genetic algorithm
- shortest path problem
- knapsack problem
- data sparsity
- bi objective
- user preferences
- cold start problem
- fitness function
- conflicting objectives
- probabilistic matrix factorization
- making recommendations
- learning algorithm
- portfolio selection
- recommendation systems
- simulated annealing
- user profiles
- particle swarm optimization
- multi objective problems
- evolutionary algorithm
- pearson correlation coefficient
- objective function