Task-distribution-aware Meta-learning for Cold-start CTR Prediction.
Tianwei CaoQianqian XuZhiyong YangQingming HuangPublished in: ACM Multimedia (2020)
Keyphrases
- meta learning
- cold start
- inductive learning
- learning tasks
- recommender systems
- model selection
- machine learning algorithms
- prediction accuracy
- decision trees
- metamodel
- collaborative filtering
- machine learning
- feature selection
- implicit feedback
- base classifiers
- data sparsity
- data mining
- life cycle
- knowledge acquisition
- feature space
- user ratings
- tag recommendation