Author

Yi-Ning Tang

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#natural language process... Preprint Oct 2026

GraphRAG-LTM: A Layered Threat Modeling Framework for Attacks on Graph Retrieval-Augmented Generation

Graph retrieval-augmented generation (GraphRAG) uses document-derived knowledge graphs to assemble evidence for large language model (LLM) answers. Its security depends on both the seed chunks retrieved for a query and the graph evidence assembled from them, yet attacks on this evidence path remain underexplored. We in...

Yi-Ning Tang, Jun-Yu Zhang, Hao-Miao Qiu et al. · 0 citations

#artificial intelligence Preprint Oct 2026

CacheLink: Functional KV Transport for Zero-Prefill Cross-Model Context Handoff

KV caches make long-context serving efficient by reusing past computation, but model switching breaks this reuse and forces the receiver to prefill the context again. We study \emph{zero-prefill cross-model context handoff}: translating a sender cache into a receiver-compatible state so that the receiver can continue d...

Hao-Miao Qiu, Yi-Ning Tang, Zi-Jia Song et al. · 0 citations