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Yi-Han-Qiu-Dan Sun

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#natural language process... Review Sep 2026

HyGRAIL: Cost-Aware and Evidence-Grounded Scientific Hypothesis Discovery over Knowledge Graphs

HyGRAIL, a cost-aware and evidence-grounded framework that combines heterogeneous GNN triage with LLM-based hypothesis review, is proposed, which retrieves node-level associations and multi-hop relational paths from the knowledge graph and converts this structured evidence into natural language through template-based o...

Yi-Han-Qiu-Dan Sun, Zhi-Han Zhu, Zhi-Yuan Jiang et al. · 0 citations