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cs.DB2026
Example-Driven Intent Synthesis for Constrained Data Bundle Retrieval: Focused Text Snippet Extraction and Beyond
Whanhee Cho, Kuangfei Long, Mahmood Jasim +4
Selecting a bundle of items that collectively satisfies constraints is a fundamental task across databases, recommender systems, and text summarization. Unlike traditional retrieva…
cs.DB2024
Stochastic SketchRefine: Scaling In-Database Decision-Making under Uncertainty to Millions of Tuples
Riddho R. Haque, Anh L. Mai, Matteo Brucato +3
Decision making under uncertainty often requires choosing packages, or bags of tuples, that collectively optimize expected outcomes while limiting risks. Processing Stochastic Pack…
cs.DB2023
Scaling Package Queries to a Billion Tuples via Hierarchical Partitioning and Customized Optimization
Anh L. Mai, Pengyu Wang, Azza Abouzied +3
A package query returns a package - a multiset of tuples - that maximizes or minimizes a linear objective function subject to linear constraints, thereby enabling in-database decis…