Author

Zhen Xu

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#natural language process... Preprint Sep 2026

SCoP: Structured Constraint Parsing for Evidence-Space Control in Temporal Knowledge Graph Question Answering

SCoP (Structured Constraint Parsing), a constraint-centric framework that externalizes temporal decisions before answer inference, separates answer-seeking event patterns from temporal anchor events, conservatively grounds them to canonical TKG entities and relations, and translates temporal intent into executable cons...

Xiao-Kun Guo, Zhen Xu, Dongdong Huo et al. · 0 citations

Review Aug 2026

When Tool Outputs Become Commands: Separating Action Induction from Runtime Authorization in Tool-Augmented LLM Agents

This work proposes SARA, which treats action induction and execution authorization as distinct runtime roles and separates action provenance from execution authority, and applies No-History-Promotion to prevent historical recurrence from laundering action origins into execution authority.

Xiao-Kun Guo, Zhen Xu, Dongdong Huo et al. · 1 citation