Author

Xi Guo

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Open access Aug 2026

Towards Building a Multi-Source Heterogeneous Knowledge Graph for Complex Material Question Answering

Results indicate that integrating multi-source domain knowledge with relation-preserved retrieval and attribute-supported filtering provides more focused and inspectable evidence, thereby supporting more accurate complex material question answering.

Peize Li, Xi Guo, Nan Yin et al. · Electronics · 0 citations