Semantic database systems extend SQL with foundation-model inference over unstructured data, but current engines rely heavily on autoregressive LLMs for discrete relational decisions, creating high latency and monetary cost. We present JEVDB, a scalable semantic database system that uses fast, typed decision models for...
This work presents the LLM ORDER BY semantic operator as a logical abstraction as a logical abstraction and conducts a systematic study of its physical implementations, proposing several improvements to existing semantic sorting algorithms and introducing a semantic-aware external merge sort algorithm.
Fuheng Zhao, Jia-Yu Chen, Yi-Ming Pan et al.· arXiv.org· 5 citations
CrocSort is presented, a byte-balanced parallel external merge sort with configurable memory and per-phase thread settings with practical resource-configuration rules for selecting these settings from input size, memory budget, and thread cap.
Riki Otaki, Charles Benello, Fuheng Zhao et al.· Proceedings of the VLDB Endo...· 0 citations
This work recast five text-to-SQL datasets as retrieval tasks at both table and column granularity, covering realistic and enterprise-scale schemas under two document representations, and proposes corpus-adaptive fine-tuning, establishing schema linking as a standalone retrieval task and lightweight, label-free corpus...
Qingcheng Zeng, Puxuan Yu, Aman Mehta et al.· arXiv.org· 0 citations
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