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natural language processing

7,304 papers

#artificial intelligence Preprint Sep 2026

MemLife: Curating and Reasoning over Long-Term Egocentric Video Memories

Long-term egocentric video enables personalized AI assistants to reason about daily life. However, as video histories grow to hundreds of hours spanning months or years, reprocessing raw clips for every query becomes computationally prohibitive. Memory systems offer a scalable alternative by compacting videos into text...

Guang-Zhi Xiong, Xin-Yuan Zhang, Xiao Yang et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

On the (In)effectiveness of AMR Augmentation for Large Language Models

While Abstract Meaning Representation (AMR) has historically improved performance on a range of NLP tasks, the benefit---or lack thereof---of AMR augmentation for modern LLMs is thus far unclear. In this paper, we attempt to reproduce recent work that reported substantial downstream gains from AMR augmentation, finding...

Hoa Quynh Nhung Nguyen, Jacopo Staiano, Michael Sullivan · 0 citations
#artificial intelligence Preprint Sep 2026

Mid-Harness: Scaling Actions Between Model and Harness for Terminal Agents

Terminal agents act through stochastic model generations, yet the ability to generate a useful action does not ensure its reliable execution. A poor command (e.g., wrong package install) can change the environment in ways that hinder subsequent progress, even when the model could generate a better alternative. We inves...

Minki Kang, Ryo Hachiuma, Shao-Kun Zhang et al. · 1 citation
#artificial intelligence Preprint Open access Oct 2026

Overview of BioASQ 2026: The fourteenth BioASQ Challenge on Large-Scale Biomedical Semantic Indexing and Question Answering

This paper presents an overview of the fourteenth edition of the BioASQ challenge, organized in the context of the Conference and Labs of the Evaluation Forum (CLEF) 2026. BioASQ is an international challenge series that supports progress in biomedical language processing tasks ranging from semantic indexing and inform...

Anastasios Nentidis, Georgios Katsimpras, Anastasia Krithara et al. · 0 citations
#artificial intelligence Preprint Sep 2026

LEAP: Learned Block-wise Evidence Retrieval for Long Audio-Video Perception

Hour-scale audio-visual question answering is constrained by a context dilemma: dense whole-recording encoding rapidly exhausts context limits, whereas uniform temporal compression severely dilutes fine-grained acoustic and visual evidence. We introduce LEAP, a framework where the model retrieves its own evidence witho...

Ju-Yi Lin, Zhi-Qiang Lao, Jia-Li Cui et al. · 0 citations
#artificial intelligence Preprint Sep 2026

OPSRD: On-Policy Self-Role Distillation

Role prompting elicits specialized behavior from large language models through an expert identity, offering a lightweight way to guide reasoning on demanding tasks. However, evaluating or distilling complete role-prompted answers can miss useful next-token preferences when the sampled solution remains incorrect. Transf...

Wei-Jie Ren, Yan-Wen Zhang, Hao Li et al. · 0 citations
#artificial intelligence Preprint Sep 2026

When a Kindergartener Solves Calculus: Measuring Capability Leakage in Role-Prompted Reasoning Models

Injection is proposed, an inference-time intervention that combines explicit, role-specific capability guidelines with a guiding prefilled response prefix that improves role-capability alignment across models, reducing above-role accuracy by up to 0.562 while preserving in-role accuracy with a marginal drop of less tha...

Pakhapoom Sarapat, Saksorn Ruangtanusak, Kunat Pipatanakul et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Synthetic Pre-pretraining Survives Scale, but Not as a Grammatical Prior

Pre-pretraining (PPT) on synthetic non-natural language data improves token efficiency during language model pre-training (PT). Prior work attributes this gain to a grammatical prior, i.e., a structural inductive bias learned during PPT that transfers to natural language grammar. However, PPT has only been tested on mo...

Atsuki Yamaguchi, Tatsuro Inaba, Joel Niklaus et al. · 0 citations
#artificial intelligence Review Sep 2026

Stress-Testing LLM Lie Detectors: Role-Play Failures and Spurious Correlations

Lie detection probes aim to predict from a language model's internal states whether its output is truthful or dishonest. However, role-play complicates what"truth"means for an LLM: language models can adopt a wide range of personas that take very different claims to be true, including personas whose beliefs clearly con...

Maximilian von Klinski, S. Lapuschkin, Wojciech Samek et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

ShieldCLIP: Selective Safety Alignment for Harmful Content Mitigation in Multimodal Foundation Models

Multimodal encoders such as CLIP underlie many downstream systems, but their web-scale training data embed harmful associations that safety alignment must suppress without unnecessarily changing benign representations. Because ethical and practical constraints prevent collecting real unsafe content at scale, existing d...

Tobia Poppi, Silvia Cappelletti, Samuele Poppi et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

SEPAL: Separated Expert Pairs with Answer-Level Fusion for Reliable LLM Collaboration

Multi-agent collaboration lets large language models (LLMs) improve question answering through deliberation and feedback. Yet shared discussion couples correction with exposure to the same mistakes, which can erode the diversity needed for voting. Self-consistency offers sampling diversity without feedback, while singl...

Weijie Ren, Yanwen Zhang, Hao Li et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Zero-Compute Cross-Lingual Transferability Estimation Using Typological Feature Proxies

Cross-lingual transfer describes how knowledge in a source language benefits a target language. Measuring it quantitatively requires broad multilingual pre-training, as prior work has done with cross-lingual transfer matrices. We ask whether transfer is predictable from freely available typological features, and whethe...

Dalton Raphael Harmsen, Swier Garst, Thomas van Osch 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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