Author

Xing-Liang Hou

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Preprint Sep 2026

Dual-Hypergraph Indexing: Bridging Knowledge Islands for Multi-Hop Reasoning in Retrieval-Augmented Generation

While hypergraph-based Retrieval-Augmented Generation (RAG) effectively captures higher-order multi-entity correlations, existing paradigms treat extracted hyperedges as isolated factual assertions. This structural fragmentation engenders rigid"knowledge islands"that bottleneck multi-hop causal inference, temporal trac...

Qi Sun, Xing-Liang Hou, Cai-Bo Li et al. · 1 citation

Preprint Sep 2026

Asymmetric Dynamic Routing: Balancing Reasoning Depth and Computational Efficiency in Hypergraph RAG

Asymmetric Dynamic Routing is proposed, an intent-conditioned retrieval framework operating over hierarchical knowledge graphs that maintains strong reasoning performance while reducing prompt token consumption and end-to-end query latency, yielding a favorable quality--efficiency trade-off for query-adaptive Hypergrap...

Qi Sun, Yi-Jia Zhang, Xing-Liang Hou et al. · 0 citations