Author

Supawit Chockchowwat

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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

Chipmink: E ! icient Delta Identification for Massive Object Graphs

A graph-based object store, named Chipmink, that acts like the centralized manager of DBMSs, dynamically induced by partitioning objects into appropriate subgroups (called pods), minimizing expected persistence costs based on object sizes and reference structure is proposed.

Supawit Chockchowwat, Zhaoheng Li, Matthew Scott Krafczyk et al. · 1 citation