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natural language processing

6,756 papers

#artificial intelligence Preprint Sep 2026

Evaluating and Benchmarking the System One Model Jev

Jev answers MMLU's calculation-heavy questions more accurately than other MMLU questions (94% vs. 91%), whereas both open models, and all three on C-Eval, find them harder.

Tobias Deußer, L. Sparrenberg, R. Sifa · 4 citations
#artificial intelligence Preprint Sep 2026

Correct, Don't Delete: Mitigating Emergent Misalignment with Corrective Supervision

It is found that a short round of training on corrections beats the same amount of training on generic chat data, that corrections on other medical prompts do roughly as well as corrections of the poisoned prompts themselves, and that instructing the correction writer to model a careful, harm-avoiding assistant adds no...

Jacob Epifano · 0 citations
#artificial intelligence Preprint Sep 2026

Hierarchical Compression of Vision-Language Model Benchmarks

The analyses show how VLM evaluation behaves as model panels grow and evolve, providing guidance for designing future benchmarks that are more efficient, robust to model turnover, and explicit about the limits of evaluation-side pruning.

Hyunjong Ok, Seung-Gu Kang, Jaeho Lee · 0 citations
#artificial intelligence Preprint Sep 2026

Evaluating Bounded Autonomy in Regulated Agentic AI: A Diagnostic Harness with Constitutional Rewards, Escalation Labels, and Runtime Governance

We propose RegLLM, a diagnostic harness for bounded autonomy in regulated agentic workflows. It instruments six trustworthiness signals: citation validity, source grounding, schema compliance, escalation correctness, constitutional alignment, and unsafe-action rate. Signals are distinguished by their source of supervis...

Dipankar Sarkar · 0 citations
#artificial intelligence Preprint Sep 2026

Risk-Controlled Selective LLM Answering by Pricing Label-Free Checks

PriceCheck is introduced, which builds a compact family of decision rules from label-free checks such as re-solving a problem, and shows that choosing how checks are combined and stopped matters alongside how well a verifier ranks answers.

D. Lee, Jungseob Lee, Chanjun Park et al. · 2 citations
#artificial intelligence Preprint Sep 2026

Regime Boundary Alignment for Evidence-Gated Question Answering

Retrieval-augmented language models are expected to answer from the retrieved evidence, but in practice they often keep answering when that evidence is missing. We trace this behavior to the training signal: answer-focused fine-tuning assigns no target to unsupported contexts, so it cannot distinguish a reader that abs...

Zeyan Li, Qi-Rong Guo, Si-Yuan Qiu et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Learning to Retrieve Missing Evidence for Long-Term Memory QA

This work introduces MERA (Missing-Evidence Retrieval Augmentation), which separates globally searchable memory from a question-specific evidence state, and trains a lightweight planner through reinforcement learning, rewarding queries that recover previously missing evidence.

Yi-Xuan Deng, Yi Zhang, Wei Liu et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Compiling Learning Problems into Adaptation Programs for Language Models

Model adaptation is typically governed by a fixed recipe, even though different update programs can produce substantially different behavioral outcomes. We introduce adaptation compilation, which reframes where, how, and to what extent a model should adapt as a joint prediction and decision problem. Rather than searchi...

Rebecca Ramnauth, Brian Scassellati · 0 citations
#artificial intelligence Preprint Sep 2026

Port-Hamiltonian Latent Deliberation: Mitigating the Deliberation Drift Cliff in Test-Time Compute Scaling

Test-time compute scaling has emerged as a cornerstone of advanced machine reasoning, yet performing iterative deliberation directly within continuous latent representation spaces reveals a catastrophic pathology: the Deliberation Drift Cliff. While unconstrained recurrent latent models achieve initial reasoning gains...

Ze-Yu Jia · 0 citations
#artificial intelligence Preprint Sep 2026

Hidden Reasoning Must Leak, but Need Not Be Readable: Fundamental Opportunities and Limits for Chain-of-Thought Monitoring

The theoretical and empirical results provide a holistic view of both the opportunities and the limitations of CoT monitoring, and show that the answer depends on the underlying task difficulty and the model size.

Mohammadali Mohammadkhani, M. Krishna, Yash Sarrof et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Follow the Entities: A Corpus Map for Agentic Search

Answering questions and completing tasks over large document collections often requires connecting evidence spread across multiple documents, such as a project's approval recorded in one, its requirements in another, and its latest status in a third. Recent LLM agents approach this by iteratively searching the full cor...

Soyeong Jeong, S. Jauhar, Sung Ju Hwang et al. · 0 citations

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MIT News · Artificial Intelligence Sep 24, 2026

Estimating suicide risk from text

A new language-processing tool could help identify the highest-risk individuals from natural language, enabling swifter interventions.

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