A Critical Study on Data Leakage in Recommender System Offline Evaluation.
Yitong JiAixin SunJie ZhangChenliang LiPublished in: ACM Trans. Inf. Syst. (2023)
Keyphrases
- statistical analysis
- recommender systems
- data sets
- raw data
- data analysis
- data processing
- data collection
- empirical studies
- data structure
- training data
- database
- complex data
- knowledge discovery
- correlation analysis
- data distribution
- synthetic data
- real time
- image data
- query processing
- high quality
- input data
- semi supervised
- data sources
- high dimensional data
- prior knowledge
- web pages
- databases
- survey data