Time-Aware and Sparsity-Tolerant QoS Prediction Based on Collaborative Filtering.
Chen WuWeiwei QiuXinyu WangZibin ZhengXiaohu YangPublished in: ICWS (2016)
Keyphrases
- collaborative filtering
- data sparsity
- recommender systems
- prediction accuracy
- quality of service
- matrix factorization
- prediction error
- cold start problem
- sparse representation
- prediction model
- recommendation systems
- cross domain collaborative filtering
- web services
- tensor factorization
- recommendation algorithms
- user preferences
- ad hoc networks
- admission control
- artificial neural networks
- rating matrix
- high dimensional