Construction and Application Exploration of Data Foundations for Domain Large Models
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Xie Wenjun, Doctoral Candidate, E-mail: xiewj@mails.ccnu.edu.cn |
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Dong Huanqing, Doctoral Candidate |
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Cao Gaohui, Dean,Professor, PhD. |
Received date: 2026-01-09
Online published: 2026-02-28
Supported by
Fundamental Research Funds for the Central Universities project of Central China Normal University, titled “Large Language Model-Driven Technological Forecasting and Policy Guidance for the Semiconductor Industry”(CCNU24JC034)
[Purpose/Significance] In response to the practical demand for high-quality data support and trustworthy operation of domain large models in specialized and high-risk application scenarios, this study systematically examines the basic connotation, key characteristics, and systematic construction path of the domain large model data foundation. It aims to provide a theoretical framework and methodological support for the practical deployment of trustworthy artificial intelligence, and to offer systematic references for the standardized construction and governance practice of the domain large model data foundation. [Method/Process] Based on a systematic review of the relevant literature, this study clarified the conceptual connotation, major characteristics, and constituent elements of the domain large model data foundation. It introduced the theory of layered modular architecture to construct a layered framework for the domain large model data foundation, mainly covering the data resource layer, knowledge organization layer, knowledge storage and semantic indexing layer, model layer, algorithm layer, application layer, and governance and operational support layer, so as to characterize the overall mechanism of the coordinated operation of data, knowledge, and models. Finally, a desk research method based on public evidence and a cross-case comparison approach were employed to demonstrate the contextual applicability of the framework. [Result/Conclusion] Cross-domain comparisons show that the proposed framework can explain the common mechanisms underlying external knowledge memory access, evidence-constrained generation, and compliance-audit output chains in reference systems across different domains. On this basis, the study further distills reusable methodological elements such as data contracts, index configuration, and evaluation baselines, thereby validating the applicability and transferability of the framework across domains.
Xie Wenjun , Dong Huanqing , Cao Gaohui . Construction and Application Exploration of Data Foundations for Domain Large Models[J]. Knowledge Management Forum, 2026 , 11(1) : 24 -39 . DOI: 10.13266/j.issn.2095-5472.2026.003
表1 领域大模型数据基座跨领域参照系统的情境化适用性对照Table 1 Applicability analysis of the domain large model foundation |
| 领域 | 代表系统或模型 | 知识底座特征 | RAG应用 | 合规与风险要素 |
|---|---|---|---|---|
| 科技 | Galactica[60]、中国科学院文献情报中心科技文献大模型[12]、星火科研助手[25]、SciAIEngine[61] | 多源科技文献与情报数据,三阶知识提炼形成AI-Ready科技文献语料与观点知识库 | RAG将本地化科技文献知识底座与大模型耦合,用于文献检索问答、自动综述、证据链追踪与情报分析等AI4S场景,生成过程受可核查文献证据约束 | 强调全文本地化长期保存与数据主权,版权、供应中断与“毒数据”偏倚 |
| 法律 | Westlaw Precision[62]、Lexis+AI[63] | 权威法源与引证网络 | RAG或GraphRAG用于生成法律分析并暴露证据链 | 强调版权与合规使用,证据可审计 |
| 医疗 | Med-PaLM[64]、BioMedLM[65] | 循证文献与病例指南 | RAG管线用于证据检索与长答案生成 | 注重医疗隐私和临床风险,依据事实性与共识 |
| 教育 | Khanmigo[66]、Squirrel AI[67] | 课程本体与题库知识图谱 | RAG结合知识图谱支持解题路径与提示生成 | 保护学生隐私与教育伦理,确保数据安全 |
| 金融 | BloombergGPT[2]、FinGPT[68] | 多模态金融数据与实体关系网络 | RAG与可插拔连接器支持实时行情与公告检索 | 监管合规与版权敏感,防止幻觉与时效性风险 |
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