Author

Hong-Lei Ji

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#artificial intelligence Preprint Oct 2026

SkillContrast: Difference-Guided Text Selection for Agent Skill Reranking

Similar agent skills can share instructions but differ in their conditions of use. Query-based text selection may retain shared instructions and omit these distinctions. We introduce SkillContrast, a training-free selector that compares retrieved skills and retains their differing text with local context for a pretrain...

Jian-Dong Ding, Hong-Lei Ji, Ming Liu et al. · 0 citations

Right Family, Wrong Skill: Benchmarking Risk Exposure in Agent Skill Retrieval

SameCapRisk-Bench is introduced, an auditable benchmark with 1,190 skill-risk units and 1,686 evaluation query cases: 694 marked-sibling units under public library pressure and 496 hard role-flip units where the same two skills swap helpful/risky roles across paired queries.

Jian-Dong Ding, Hong-Lei Ji, Ming Liu et al. · 0 citations