How does serendipity affect diversity in recommender systems? A serendipity-oriented greedy algorithm.
Denis KotkovJari VeijalainenShuaiqiang WangPublished in: Computing (2020)
Keyphrases
- greedy algorithm
- recommender systems
- recommendation systems
- greedy algorithms
- objective function
- worst case
- greedy strategy
- collaborative filtering
- dynamic programming
- knapsack problem
- greedy heuristic
- set cover
- influence maximization
- user preferences
- special case
- scheduling problem
- approximation ratio
- influence spread