LLM-Enhanced Semantic Data Integration of Electronic Component Qualifications in the Aerospace Domain
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arXiv
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| Auteurs principaux: | , , , , , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866912976147054592 |
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| author | De Santis, Antonio Balduini, Marco Belcao, Matteo Proia, Andrea Brambilla, Marco Della Valle, Emanuele |
| author_facet | De Santis, Antonio Balduini, Marco Belcao, Matteo Proia, Andrea Brambilla, Marco Della Valle, Emanuele |
| contents | Large manufacturing companies face challenges in information retrieval due to data silos maintained by different departments, leading to inconsistencies and misalignment across databases. This paper presents an experience in integrating and retrieving qualification data for electronic components used in satellite board design. Due to data silos, designers cannot immediately determine the qualification status of individual components. However, this process is critical during the planning phase, when assembly drawings are issued before production, to optimize new qualifications and avoid redundant efforts. To address this, we propose a pipeline that uses Virtual Knowledge Graphs for a unified view over heterogeneous data sources and LLMs to enhance retrieval and reduce manual effort in data cleansing. The retrieval of qualifications is then performed through an Ontology-based Data Access approach for structured queries and a vector search mechanism for retrieving qualifications based on similar textual properties. We perform a comparative cost-benefit analysis, demonstrating that the proposed pipeline also outperforms approaches relying solely on LLMs, such as Retrieval-Augmented Generation (RAG), in terms of long-term efficiency. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_20094 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | LLM-Enhanced Semantic Data Integration of Electronic Component Qualifications in the Aerospace Domain De Santis, Antonio Balduini, Marco Belcao, Matteo Proia, Andrea Brambilla, Marco Della Valle, Emanuele Information Retrieval Artificial Intelligence Databases Large manufacturing companies face challenges in information retrieval due to data silos maintained by different departments, leading to inconsistencies and misalignment across databases. This paper presents an experience in integrating and retrieving qualification data for electronic components used in satellite board design. Due to data silos, designers cannot immediately determine the qualification status of individual components. However, this process is critical during the planning phase, when assembly drawings are issued before production, to optimize new qualifications and avoid redundant efforts. To address this, we propose a pipeline that uses Virtual Knowledge Graphs for a unified view over heterogeneous data sources and LLMs to enhance retrieval and reduce manual effort in data cleansing. The retrieval of qualifications is then performed through an Ontology-based Data Access approach for structured queries and a vector search mechanism for retrieving qualifications based on similar textual properties. We perform a comparative cost-benefit analysis, demonstrating that the proposed pipeline also outperforms approaches relying solely on LLMs, such as Retrieval-Augmented Generation (RAG), in terms of long-term efficiency. |
| title | LLM-Enhanced Semantic Data Integration of Electronic Component Qualifications in the Aerospace Domain |
| topic | Information Retrieval Artificial Intelligence Databases |
| url | https://arxiv.org/abs/2603.20094 |