Cloud-Direct NC: A new generation of numerical control technology

Shivam Garg

doi:10.1016/j.jmsy.2026.04.019

LLM-based domain-specific knowledge graph construction and hybrid retrieval-augmented generation

2026-04-16

0

PRE

AI

X

Xingwei Zhou

S

Shijiang Li

Y

Ying Liu

W

Wanran Yang

C

Chengyue Xiong

L

Liang Hou *

DOI：10.1016/j.jmsy.2026.04.023

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• An intent-constrained hybrid RAG framework is proposed for knowledge-intensive industrial scenarios. • A domain-specific knowledge extraction method integrating text classification and LLMs is developed. • An intent-constrained hybrid retrieval algorithm with subgraph expansion enables structured evidence organization. • The framework is validated on superplastic forming equipment, improving retrieval quality and decision support.

Keywords:

domain-specific knowledge graph

hybrid retrieval-augmented generation

intent-constrained framework

industrial scenarios

large language models

LLM-based domain-specific knowledge graph construction and hybrid retrieval-augmented generation

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