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Hao-Ran Yu

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Preprint Sep 2026

Toward Sustainable AI Deployment: A Carbon-Aware Decision Framework for Enterprise Supply Chain Systems

This work develops a Carbon-Aware AI Procurement Framework (CAAPF), a Green IS design artifact that operationalizes sustainable AI governance for enterprise procurement, and suggests that environmental responsibility and decision quality can be mutually reinforcing.

Hao-Ran Yu, Li-Fei Liu, Dan Zhang · 0 citations
Review Sep 2026

Beyond Lexical Metrics: Sentence-Embedding Detection of Reviewer Habituation in AI Code Review

Code review is a key quality checkpoint between AI-generated code and production and reviewer adaptation is detectable in latent distributional structure rather than in classical lexical metrics, and language shifts follow rather than precede changes in approval behavior.

Hao-Ran Yu, Li-Fei Liu, Dan Zhang · 0 citations
#natural language process... Preprint Sep 2026

MedTRACE: Tool-Augmented Multimodal Clinical Reasoning Agents for Evidence-Grounded Decision-Making

Multimodal clinical decision-making requires reliable reasoning over heterogeneous evidence from electronic health records, medical images, and physiological signals. Existing models typically map these inputs directly to diagnoses without explicitly assessing evidence sufficiency, tool-use requirements, or diagnostic...

Ji Lu, Li-Fei Liu, Hao-Ran Yu et al. · 0 citations
#machine learning Review Sep 2026

Cost-Aware Post-Hoc Deferral Under Calibration and Shift: An Environmental AI Case Study

Choosing a deferral policy for a frozen classifier requires more than ranking uncertain cases: confidence may be miscalibrated, errors have unequal costs, reviewers can err, and deployment data can leave calibration support. We study these interactions through EcoTrust, a post-hoc framework that compares automatic acti...

Hao-Ran Yu, Li-Fei Liu, Dan Zhang · 0 citations
Preprint Aug 2026

Attesting Outputs and Delegation Ancestry in Multi-Agent AI Systems

A two-layer attestation design for dynamic delegation without a shared authority, public log, or precommitted workflow is presented, which compares a signed linked list, a Merkle-chain variant, and a co-signed DAG.

Li-Fei Liu, Hao-Ran Yu · 2 citations
Jul 2026

Phantom Guardrails: When Self-Improving Agent Harnesses Fix Failures That Never Happened

This work introduces the Counterfactual Fabrication Lab, a deterministic micro-lab where the correct action is known: do nothing, and presents the Counterfactual Fabrication Lab for measuring fabricated failures in self-improving agent harnesses.

Su Wang, Pinyan Qian, Yifan Lin et al. · 6 citations · ⚡2

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