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Jun-Chi Yu

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#artificial intelligence Preprint Jun 2026

A Language Model from 1913: Pretraining on Historical Text

This work constructs TypewriterCorpus, a 54B-token historical corpus with extensive temporal filtering, proposes lexically grounded instruction tuning that constrains all responses to vocabulary from historical source documents, and introduces History-Event, a benchmark of 2,344 events for evaluating both competence an...

Xiaoxi Luo, Zachary Shinnick, Niclas Griesshaber et al. · 4 citations
#artificial intelligence Preprint May 2026

$D^2$-Monitor: Dynamic Safety Monitoring for Diffusion LLMs via Hesitation Signals

This work proposes $D^2-Monitor, in which a lightweight probe runs on every sample, producing a base prediction and a hesitation estimate that decides whether to escalate the sample to a more expressive probe, and exhibits the best trade-off between effectiveness and efficiency relative to 8 baselines.

Ao Liu, Yu-Peng Chen, James Oldfield et al. · 1 citation
#machine learning Preprint Sep 2026

UnlearningSoup: Is Repeated Tuning Necessary for Large Language Model Unlearning?

Whether unlearning runs exhibit exploitable structure in weight space is investigated, and it is observed that models from different runs still lie in a shared evaluation-performance basin, suggesting that stronger models may be recovered through an unlearning-tailored soup strategy, reducing the need for repeated tuni...

Pu-Ning Yang, Qi-Zhou Wang, Jun-Chi Yu et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Decoupling Token Roles in Autoregressive Pretraining

Using controlled corruption, this work decouple these two roles and finds a reversal: making a noisy token easier to predict reduces its damage as a target but increases it as context.

Su-Qin Yuan, Runqi Lin, Ke-Yu Lin et al. · 0 citations

PaperDoctor: Evidence-Grounded and Actionable Feedback for Scientific Papers in Progress

Autoresearch agents are reshaping the research ecosystem, but they can also let flawed claims enter the literature at scale. Human advisors catch such issues in drafts through careful, traceable feedback, yet advisor-style assessment requires extensive manual effort and does not scale. To shift automated paper assessme...

K. Lin, Si-Yuan Hu, Pan Lu et al. · 1 citation
#artificial intelligence Review Sep 2026

RAP: Research Attention Prediction Reveals Target-Conditioned Evidence Acquisition Biases

Research Attention Prediction (RAP), a rolling benchmark covering 278 AI/ML fields and 1,390 episodes, is introduced, a rolling benchmark covering 278 AI/ML fields and 1,390 episodes for large language models to track shifts in research attention.

Ying-Qian Wu, Jingcong Liang, Si-Yuan Wang et al. · 0 citations

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