A Faster Algorithm to Build New Users Similarity List in Neighbourhood-based Collaborative Filtering.
Zhigang LuHong ShenPublished in: CoRR (2015)
Keyphrases
- collaborative filtering
- times faster
- memory efficient
- k means
- experimental evaluation
- optimization algorithm
- segmentation algorithm
- optimal solution
- preprocessing
- recommender systems
- matching algorithm
- detection algorithm
- search space
- convergence rate
- similarity measure
- recognition algorithm
- expectation maximization
- high accuracy
- dynamic programming
- learning algorithm
- distance function
- cost function
- similarity function
- significant improvement
- computational complexity
- user interests
- recommendation algorithms
- user ratings