Jul 2026
QBAT: Model-Based Query Budget Autotuner for Clustering-Based Approximate Nearest Neighbor Search
Two predictive models are explored: a highly accurate gradient-boosted decision tree and a simple, interpretable heuristic formula derived using the AlphaEvolve framework that can optimize budget allocation for both system performance or recall consistency priorities.
Jonghyun Bae, Tae Jun Ham, Alan Li et al.
· Proceedings of the VLDB Endo... · 0 citations