Author

Zhi-Jun Shao

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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

#natural language process... Preprint Sep 2026

Relationally Guided Use Case Modeling with LLMs

Use case flows are important elements of use case modeling because they support downstream software engineering activities, including requirements analysis, architectural and detailed design, and test case generation. However, constructing them manually is costly and expertise-intensive, while existing automated approa...

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