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cs.DB2024
KnobCF: Uncertainty-aware Knob Tuning
Yu Yan, Junfang Huang, Hongzhi Wang +3
The knob tuning aims to optimize database performance by searching for the most effective knob configuration under a certain workload. Existing works suffer two significant problem…
cs.DB2023
QCFE: An efficient Feature engineering for query cost estimation
Yu Yan, Hongzhi Wang, Junfang Huang +5
Query cost estimation is a classical task for database management. Recently, researchers apply the AI-driven model to implement query cost estimation for achieving high accuracy. H…
cs.DB2022
AAE: An Active Auto-Estimator for Improving Graph Storage
Yu Yan, Man Yang, Hongzhi Wang +1
Nowadays, graph becomes an increasingly popular model in many real applications. The efficiency of graph storage is crucial for these applications. Generally speaking, the tune tas…