الباحثون

Yina Sa

المنشورات 2

نسخة أولية وصول مفتوح

Actions with Receipts: Jointly Binding Claims, Evidence, and Execution for Replayable Tool-Agent Auditing

Miaobo Hu, Shuhao Hu, Xiaobo Guo وآخرون · 2026

Tool-using agents can expose citations and execution logs while leaving a critical association unaudited: whether the claim shown to a user is the claim emitted by the committed execution and supported by the cited source. A valid citation and a valid trace can therefore remain individually well formed while being tran …

نسخة أولية وصول مفتوح

ContractRL: Shielded Group-Relative Policy Optimization for Auditable Tool-Call Repair

Miaobo Hu, Shuhao Hu, Xiaobo Guo وآخرون · 2026

Structured tool calls often fail after only a small number of fields violate a schema or an execution contract. Regenerating the complete object enlarges the action surface and makes repeated repair difficult to audit. We introduce ContractRL, a contract-constrained sequential repair protocol that models verifier-guide …

المؤلفون المشاركون