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artificial intelligence

20,515 papers

#artificial intelligence Preprint Open access Oct 2026

Specification Gaming and a Constrained Reinforcement Learning Mitigation in a Cleaning Gridworld

Reinforcement learning agents optimize exactly the reward signal they are given, which can diverge sharply from an intended true objective when that signal is only a proxy for it; this failure mode is known as specification gaming. Existing evidence for this failure mode is largely observational, with comparatively few...

Hilda Adwubi Osei · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Explaining the Roles of Experts in Mixture-of-Experts LLMs for Personalization

Personalization of Large Language Models (LLMs) is increasingly important for user-centric applications, yet prior methods mainly adapt dense LLMs, whose polysemantic neurons, each encoding multiple unrelated concepts, hinder localizing the components behind personalization, and thus understanding and controlling it. W...

Sekh Mainul Islam, Pepa Atanasova, Isabelle Augenstein · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Causal Integrated Gradients: Scalable Feature Attribution Along Causal Paths

Existing feature attribution methods that account for feature dependencies do not scale to high dimensions. We propose causal integrated gradients (CIG) and causal expected gradients (CEG), which extend integrated gradients to incorporate prior causal structure among input features while retaining its computational eff...

Joran Michiels, Anis Ismail, Maarten De Vos et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Multi-SFT: Permissively-Licensed Multilingual Instruction-Following

Supervised fine-tuning datasets remain overwhelmingly English-centric and commercially restricted, as their content is frequently generated by proprietary models whose terms of service forbid training competing systems. We introduce Multi-SFT, a commercially permissive collection of 502,818 instruction-response pairs a...

Daniela Baiamonte, Kamyar Zeinalipour, Elena Fano et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Memory as Weights: Internalizing Long-Term History for Streaming Videos

Streaming vision-language models (VLMs) must continuously integrate information from the past while remaining responsive to current observations and user queries. Existing memory mechanisms typically compress, retrieve, or cache historical observations and reintroduce them into the input context, forcing historical mem...

Zhuo-Ming Liu, Jin-Hong Lin, Lin Zhang et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Decoding Naturalistic Speech from fMRI with Temporal Modeling and Multimodal Alignment

Reconstructing what a person perceives from their brain activity is a stringent test of whether neural recordings carry meaningful information. Naturalistic speech offers a rich testbed for this challenge: it unfolds over multiple timescales, but fMRI's noisy, temporally smeared measurements make this structure hard to...

Corentin Caris, Louis Jalouzot, Nona Rajabi et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Momentum, Commentary Tone, and Earnings Surprise in LLM Financial Forecasts

Which inputs drive a language model's financial forecast? We construct synthetic earnings announcements that independently reverse 20-day momentum, non-informational commentary tone, and whether fixed actual EPS beats a manipulated consensus. Six instruction/chat checkpoint conversions from four families (0.49-7.61B ba...

A. Khaybullina · 0 citations
#artificial intelligence Preprint Oct 2026

Selection Is Not Learning: Choosing Model Futures

Self-evolving language models train on tasks they generate, so every round must decide which updated model the next round inherits. Current loops such as R-Zero, Agent0, and Skill Self-Play make this decision through the task, admitting tasks that look learnable and inheriting every resulting update. We identify a sele...

Hao-Yi Yang, Kshitij Mishra, Nils Lukas et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

DemoStream: Batched Task-and-Motion-Plan Optimization for Automated Learning from Demonstration

Learning from demonstration is an effective strategy for endowing robots with manipulation capabilities but requires training on datasets comprised of massive amounts of demonstrations. Existing demonstration collection approaches either require constant human involvement, for example, via teleoperation or are speciali...

Caelan Garrett, Neel Jawale, Fabio Ramos · 0 citations
#artificial intelligence Preprint Oct 2026

GraphBEAT: Graph-based Bucketized Event Aggregation Over Time for Early Risk Stratification of Gastrointestinal Cancers

Longitudinal electronic health records (EHRs) contain complementary diagnostic and laboratory information about patient health. However, irregularity, sparsity, heterogeneity, and incompleteness in documentation complicate EHR modeling. To address the problem, we introduce GraphBEAT (Graph-based Bucketized Event Aggreg...

L. Li-Han, Chris Varghese, Elizabeth Habermann et al. · 0 citations

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Hugging Face Blog Nov 10, 2026

Decision Models in Hugging Face

We’re on a journey to advance and democratize artificial intelligence through open source and open science.

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