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Yuan Wu

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Preprint Oct 2026

BOSS: Token-Budgeted Online Sampling and Selection for LLM Reasoning

Generation-adjudication allocation is established as a distinct design axis for reasoning under strict per-instance caps under hard per-instance caps for LLM reasoning.

Yu-Peng Chang, Ya-Han Li, Chen-Lu Guo et al. · 0 citations
#artificial intelligence Preprint Oct 2026

ReFormBench: Benchmarking the Stability of Response-Conditioned Format Correction in Large Language Models

Reliable use of large language models requires responses to satisfy formatting requirements across changing instructions. Standard compliance scores do not distinguish preserving a model's observed format from correcting it, or reveal whether that correction holds across variants. We introduce ReFormBench, a benchmark...

Tian-Xiang Gao, Ya-Han Li, Chen-Lu Guo et al. · 0 citations
#machine learning Preprint Sep 2026

CALIBUDGET: Calibration-Guided Source Allocation for Fixed-Budget Mixed-Reasoning Adaptation

Fixed-budget adaptation from heterogeneous data sources requires deciding not only how much data to use, but how much exposure each source receives. Size-proportional rules can crowd out small sources, whereas difficulty-only rules can chase noisy estimates or allocate residual budget to nearly saturated pools. We intr...

Yu-Peng Chang, Yuan Wu · 0 citations
#machine learning Preprint Sep 2026

Learned Reporting Preferences in RLVR Can Conflict with the Current Request

Reinforcement learning with verifiable rewards (RLVR) has become a prominent approach for improving language-model performance on reasoning tasks using automatically checked answers. Yet convention-matched evaluation cannot reveal whether reinforcing one reporting convention reduces adherence to a different request tha...

Yu-Peng Chang, Wen-Xuan Zhang, Yuan Wu · 1 citation
Preprint Aug 2026

How Agents Represent Humans: Human-Directed Stereotypes in an Open Agent Social Network

It is found that competence dominates human-directed evaluations, while many \textit{other} attributions describe humans as epistemic, cultural, or embodied subjects, and suggest that bias in agent societies should be studied not only as isolated model output, but also as a discourse process.

Huang Xu, Yuan Wu, Yi Chang · 1 citation
Preprint Aug 2026

Beyond Blind Compliance: Benchmarking Task Verification in OCR Reasoning

VeriOCRBench, a 1,800-sample human-verified benchmark built from source images drawn from 8 OCR-related datasets and spanning 8 real-world image domains, with controlled, image-grounded diagnostic tasks, is introduced, exposing a critical reliability gap in current OCR reasoning systems.

Yue Zhou, Yuan Wu, Yi Chang · 0 citations
#artificial intelligence Preprint Sep 2026

RPCBench: A Benchmark for Proactive Premise Critique in LLM-based Recommendation

RPCBench, a benchmark for evaluating Recommender-Premise Critique: the ability to detect, diagnose, and properly handle faulty premises in natural-language recommendation requests, is introduced and a fine-grained evaluation framework that measures proactive detection, error localization, post-detection handling strate...

Zhong-Ru Chen, Yuan Wu, Yi Chang · 0 citations
#artificial intelligence Preprint Aug 2025

From Isolation to Alignment: Unified LoRA for Efficient Multi-Task Learning

This work reveals a paradox where a simplified, router-free multi-head model with high inter-head redundancy outperforms complex, diversity-driven baselines and proposes Align-LoRA, a unified and efficient framework that shifts the focus from architectural isolation to representation alignment.

Jinda Liu, Bo Cheng, Yi Chang et al. · 1 citation
Preprint Aug 2026

CD-LoRA: Consistency-Driven Low-Rank Adaptation for Multi-Task Fine-Tuning

By eliminating routers entirely, CD-LoRA employs a consistency-driven alignment mechanism to enforce representation congruence across tasks in a shared low-rank space, which fosters robust, task-agnostic features without explicit partitioning overhead.

Qian Zha, Jinda Liu, Yuan Wu et al. · 2 citations
Preprint Aug 2026

CaSKG: Counterfactual-Causal Skill Graphs for Scalable Agent Skill Retrieval

CaSKG, a counterfactual-causal skill graph framework that calibrates procedural relations before retrieval, is proposed, position edge-confidence calibration as an effective route to compact and executable skill retrieval at scale.

Zhiyuan Li, Lin-Yuan Gao, Xue-Chun Ding et al. · 3 citations

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