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Yutong Cheng

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#artificial intelligence Preprint Oct 2026

Small but Mighty: Test Suites as Improvement Signals for Self-Evolving Agents

A self-evolving agent rewrites its own harness and must decide which rewrites to keep, so its improvement signal is the check a rewrite has to pass. Verifying a rewrite by agent rollout is expensive and subjective, while executable checks such as the repository's own tests are too sparse to catch behavior-changing rewr...

Yu-Tong Cheng, Wei Cheng, Wen-Chao Yu et al. · 0 citations
#natural language process... Preprint Aug 2026

BEACON: Behavior-Anchored Cross-Source Knowledge Graph Construction for Cyber Threat Intelligence

BEACON is an LLM-driven framework for cross-source CTI knowledge graph construction that constructs and releases two human-annotated datasets from 34 sources and outperforms all baselines by at least 23% and 9%, respectively.

Chang-Ze Li, Yu-Tong Cheng, Tsania Camila Finnisa et al. · 0 citations

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