When recommenders fail: predicting recommender failure for algorithm selection and combination.
Michael D. EkstrandJohn RiedlPublished in: RecSys (2012)
Keyphrases
- selection algorithm
- times faster
- single pass
- detection algorithm
- np hard
- cost function
- learning algorithm
- filtering algorithm
- improved algorithm
- computational cost
- preprocessing
- objective function
- experimental evaluation
- search space
- collaborative filtering
- optimization algorithm
- computational complexity
- convergence rate
- selection strategy
- data sets
- significant improvement
- recommender systems
- matching algorithm
- search algorithm
- similarity measure