Social Trust as a solution to address sparsity-inherent problems of Recommender systems
Georgios PitsilisSvein J. KnapskogPublished in: CoRR (2012)
Keyphrases
- recommender systems
- data sparsity
- social capital
- trust aware
- optimal solution
- optimal or near optimal
- social influence
- multicriteria optimization
- collaborative filtering
- cold start problem
- social interaction
- numerical methods
- convex relaxation
- linear equations
- approximate solutions
- partial solutions
- genetic algorithm
- integer programming
- knowledge sharing
- optimization problems
- lower bound
- objective function
- social networks