Preprint
Aug 2026
ProRetrieval: Learning to Orchestrate Hybrid Search via Executable Program Synthesis
This work proposes ProRetrieval, which recasts the language model as a retrieval orchestrator: given a natural-language query, it synthesizes an executable program in a hybrid DSL interleaving SQL operators over structured fields with vector-retrieval primitives over text and images, with SQL itself providing the logical algebra that fuses heterogeneous candidate sets.
Chengcheng You, Zhen Sun, Yunhai Hu et al.
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