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natural language processing

9,261 papers

#artificial intelligence Preprint Open access Nov 2026

Personas Are Not People: Identity as State, Not Attribute

Synthetic populations, large sets of simulated people, are increasingly used in place of real people to pretest surveys, simulate users and communities, and evaluate AI systems. Each simulated person is defined by a persona, a written profile of fixed traits, demographics, and attitudes that a language model is instruc...

Tamunotonye Harry, Yuanyuan Feng · 0 citations
#artificial intelligence Preprint Open access Nov 2026

Knowingly Wrong: Training LLMs Against Their Own Beliefs can Induce Misalignment

Fine-tuning a large language model (LLM) on harmful data in a narrow domain, such as bad medical advice, can make it broadly misaligned. How realistic this risk is remains unclear, since models are very rarely fine-tuned on explicitly harmful data in practice. In this work, we show that fine-tuning on data the model be...

Ariana M. Villegas-Suarez, Guido Freire, Sohan Venkatesh et al. · 0 citations
#artificial intelligence Preprint Nov 2026

Beyond Accuracy: What Language-Subspace Interventions Capture, Remove, and Improve

Language-subspace interventions aim to improve multilingual reasoning by suppressing language-related components in mid-layer activations. Using MATH and MGSM across four open-weight LLMs, we ask three questions: do estimated language subspaces capture translation-associated variation? Does projecting them out remove l...

Shaanil Punglia, Dadhichi Telwadkar, V. Rathore et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

The Right Source Is Not Enough: Understanding History Interference in Speech-LLM Memory

Speech large language models retain audio history to support multi-turn conversations. Yet remembering an event does not ensure that its information is used only when relevant. We investigate why irrelevant historical audio changes answers even when the queried event remains represented. Controlled experiments on MOSS-...

HongJin Song, Weiqiao Shan, Runwu Shi et al. · 0 citations
#artificial intelligence Preprint Nov 2026

Who is the Pronoun Pro? Comparing LLMs and Humans at Number-Disambiguation of'they'

This study evaluates whether large language models (LLMs) can reliably replace or complement human research assistants in linguistically complex annotation. In a controlled annotation task, 73 human annotators (local students and crowdworkers with and without a background in linguistics) and more than 40 LLM configurat...

Carl Hartmann · 0 citations
#artificial intelligence Preprint Nov 2026

Shuffled OPSD: When Semantic Consistency Hurts On-Policy Self-Distillation?

Knowledge distillation improves a student model's reasoning ability through supervision from a teacher. On-policy self-distillation (OPSD) uses the same model as both teacher and student under different contexts: the student generates reasoning trajectories from the question alone, while the teacher additionally receiv...

Qing-Yuan Zheng, Zhi-Hao Dou · 0 citations
#artificial intelligence Preprint Open access Nov 2026

One Assistant, Many Memories: Benchmarking Real-World Group Assistance When Recall Is Not Enough

The value of memory lies not only in recall but in using it to provide appropriate assistance. Recent benchmarks test memory use in personalisation and agentic tasks, but seldom evaluate assistance without fixed answers or integration across multiple participants. Group chats make both challenges more acute: an assista...

Zhanghao Hu, Linhai Zhang, Qian Zhao et al. · 0 citations
#artificial intelligence Preprint Nov 2026

ReSI-Math: Exploring Recoverable Capability Frontiers for Efficient Reasoning Improvement

Reinforcement learning with verifiable rewards (RLVR) has become an effective approach for improving mathematical reasoning in large language models. However, a fundamental question remains: when a model fails to solve a problem, does it truly lack the underlying capability? In this work, we reveal that direct failure...

Yao Cui, Zhen Yang, Yuan-Dong Wang et al. · 0 citations
#artificial intelligence Preprint Nov 2026

When Ground Truth Is Not Ground Truth: Automatic Labeling for Hallucination Detection

Hallucinations in Large Language Models (LLMs) remain a major challenge, as they can produce misleading, factually incorrect, or unverifiable information, thereby undermining their trustworthiness and reliability. However, reliable ground-truth labels remain a key challenge in evaluating hallucination detectors. Recent...

Rounak Sen, Divya Kumari, Deeksha Varshney · 0 citations
#artificial intelligence Preprint Open access Nov 2026

$\tau$-Rec-Books: A Disclosure-Controlled Benchmark for Requirement Elicitation in Agentic Recommender Systems

While conversational recommendation systems provide a more natural user interface, they face the challenge of progressively discovering a user's needs before they can recommend an item that satisfies them. To evaluate the ability of AI agents at this elicitation process, we introduce $\tau$-Rec-Books, a benchmark that...

Bharath Sivaram Narasimhan, Karthik R. Narasimhan · 0 citations
#artificial intelligence Preprint Open access Nov 2026

Voluntary Servitude: Weaponized Safety Warning Mechanisms for Controlling AI Agents

LLM agents increasingly act on information retrieved from public sources they treat as credible, which turns a manipulated recommendation into a transaction, a dependency, or a decision with physical consequences. The security literature models this threat as instruction injection, in which an adversary writes a comman...

Ilan Zendel, Matan Levy, Stav Cohen et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

Coarse Semantic Blocks for Efficient Training-Free Sparse Attention

We introduce a training-free sparse attention method that builds a prompt-specific key index to accelerate both prefill and decoding. The method clusters the keys into large semantic blocks that group tokens from noncontiguous positions. Each query position selects blocks by scoring their centroids and attends to the o...

Sosuke Kobayashi, Shoichiro Yamaguchi, Seiya Tokui · 0 citations

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Microsoft Research Blog Oct 22, 2026

Flint-interactive: A language for creating interactive data visualizations

Flint-interactive gives AI agents a language for creating interactive visualizations. Click a chart, filter data, highlight related content, and explore beyond the view the author originally chose. The post Flint-interactive: A language for creating interactive data visualizations appeared first on Microsoft Research.

MIT News · Artificial Intelligence Oct 15, 2026

AI model decodes the language cells use to communicate

A new computational approach reveals how cells communicate to assemble into tissues. This could accelerate stem cell engineering, improve disease models, and inform therapies.

Microsoft Research Blog Oct 15, 2026

Proof-based general-purpose computing with Magnetar

Zero-knowledge proofs can verify computing results without rerunning workloads or exposing sensitive data. Magnetar helps bring them into the mainstream with support for standard programming languages, major speed gains, and quantum-resistant security. The post Proof-based general-purpose computing with Magnetar appeared first on Microsoft Research.

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