@inproceedings{kim-etal-2026-program,
title = "{PROGRAM}: Programmatic Retrieval Optimization with Generative Reasoning and Augmented Multi-queries",
author = "Kim, Gun Il and
Shin, Jungkyu and
Kim, Jong Wook and
Jang, Beakcheol",
editor = "Liakata, Maria and
Moreira, Viviane P. and
Zhang, Jiajun and
Jurgens, David",
booktitle = "Findings of the {A}ssociation for {C}omputational {L}inguistics: {ACL} 2026",
month = jul,
year = "2026",
address = "San Diego, California, United States",
publisher = "Association for Computational Linguistics",
url = "https://aclanthology.org/2026.findings-acl.1090/",
pages = "21685--21699",
ISBN = "979-8-89176-395-1",
abstract = "Current retrieval-augmented generation (RAG) methods struggle with complex multi-hop reasoning, relying on unstructured semantic matching that lacks the logical structure needed to systematically guide retrieval. We introduce Programmatic Retrieval Optimization with Generative Reasoning and Augmented Multi-queries (PROGRAM), a novel framework that elevates retrieval to structured, program-guided reasoning. PROGRAM treats retrieval as execution of specific program types, such as logical, temporal, causal, and so forth, through three stages of `Program-Type Selection' with dual-metric optimization, `Iterative Active Program Pruning' with evidence accumulation, and `Final Answer Generation' with reranking. Evaluated on five benchmarks including HotPotQA, 2WikiMultihopQA, ARC-Challenge, MMLU-Pro, and MedQA with various LLMs, PROGRAM achieves state-of-the-art performance with up to 24{\%} relative improvement on HotPotQA and 13.2{\%} on MedQA over strong baselines including FLARE, ProbTree and Self-RAG."
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<abstract>Current retrieval-augmented generation (RAG) methods struggle with complex multi-hop reasoning, relying on unstructured semantic matching that lacks the logical structure needed to systematically guide retrieval. We introduce Programmatic Retrieval Optimization with Generative Reasoning and Augmented Multi-queries (PROGRAM), a novel framework that elevates retrieval to structured, program-guided reasoning. PROGRAM treats retrieval as execution of specific program types, such as logical, temporal, causal, and so forth, through three stages of ‘Program-Type Selection’ with dual-metric optimization, ‘Iterative Active Program Pruning’ with evidence accumulation, and ‘Final Answer Generation’ with reranking. Evaluated on five benchmarks including HotPotQA, 2WikiMultihopQA, ARC-Challenge, MMLU-Pro, and MedQA with various LLMs, PROGRAM achieves state-of-the-art performance with up to 24% relative improvement on HotPotQA and 13.2% on MedQA over strong baselines including FLARE, ProbTree and Self-RAG.</abstract>
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%0 Conference Proceedings
%T PROGRAM: Programmatic Retrieval Optimization with Generative Reasoning and Augmented Multi-queries
%A Kim, Gun Il
%A Shin, Jungkyu
%A Kim, Jong Wook
%A Jang, Beakcheol
%Y Liakata, Maria
%Y Moreira, Viviane P.
%Y Zhang, Jiajun
%Y Jurgens, David
%S Findings of the Association for Computational Linguistics: ACL 2026
%D 2026
%8 July
%I Association for Computational Linguistics
%C San Diego, California, United States
%@ 979-8-89176-395-1
%F kim-etal-2026-program
%X Current retrieval-augmented generation (RAG) methods struggle with complex multi-hop reasoning, relying on unstructured semantic matching that lacks the logical structure needed to systematically guide retrieval. We introduce Programmatic Retrieval Optimization with Generative Reasoning and Augmented Multi-queries (PROGRAM), a novel framework that elevates retrieval to structured, program-guided reasoning. PROGRAM treats retrieval as execution of specific program types, such as logical, temporal, causal, and so forth, through three stages of ‘Program-Type Selection’ with dual-metric optimization, ‘Iterative Active Program Pruning’ with evidence accumulation, and ‘Final Answer Generation’ with reranking. Evaluated on five benchmarks including HotPotQA, 2WikiMultihopQA, ARC-Challenge, MMLU-Pro, and MedQA with various LLMs, PROGRAM achieves state-of-the-art performance with up to 24% relative improvement on HotPotQA and 13.2% on MedQA over strong baselines including FLARE, ProbTree and Self-RAG.
%U https://aclanthology.org/2026.findings-acl.1090/
%P 21685-21699
Markdown (Informal)
[PROGRAM: Programmatic Retrieval Optimization with Generative Reasoning and Augmented Multi-queries](https://aclanthology.org/2026.findings-acl.1090/) (Kim et al., Findings 2026)
ACL