2 papers
cs.IR2026
HyperSU: Corpus-Driven Semantic-Unit Hypergraph for Retrieval-Augmented Generation
Jiate Liu, Liuyi Chen, Zhengyi Yang +5
Recent Hypergraph-based retrieval-augmented generation (HyperRAG) methods use hyperedges to connect multiple entities simultaneously, enabling more efficient multi-entity evidence…
cs.DB2025
Efficient Partition-based Approaches for Diversified Top-k Subgraph Matching
Liuyi Chen, Yuchen Hu, Zhengyi Yang +3
Subgraph matching is a core task in graph analytics, widely used in domains such as biology, finance, and social networks. Existing top-k diversified methods typically focus on max…