Author

Bangqi Li

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Open access Sep 2026

Security-Augmented Use Case Flow Refinement for LLM-Based Agentic Systems

Unlike conventional software systems and large language models (LLMs) evaluated in isolation, LLM-based agentic systems introduce a compositional, workflow-level attack surface. Existing security analysis approaches provide limited support for identifying security omissions implicit in functional use case flows and der...

Guang-Yu Wang, Bangqi Li, Ji Wu et al. · Electronics · 0 citations

#software testing Preprint Sep 2026

Relationally Guided Use Case Modeling with LLMs

The proposed FlowGen uses LLM-based Semantic Information Processing (SIP) to extract semantic elements, constructs a Semantic Relational Graph (SRG) encoded by an enhanced R-GAT for basic flow generation (BFGen), and further supports branch point prediction through BPP and branch-conditioned alternative flow generation...

Guang-Yu Wang, Bangqi Li, Ji Wu et al. · 0 citations