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artificial intelligence

19,709 papers

#artificial intelligence Preprint Open access Nov 2026

GC-MoE: Overlapping Expert-Parallel Token Dispatch with FP8/FP4 Grouped GEMM via CUDA Green Contexts

Under expert parallelism, mixture-of-experts (MoE) layers pay all-to-all token dispatch, grouped GEMMs, and a combine step in every layer. In decode each rank holds only 1-256 tokens: dispatch latency and weight traffic dominate while tensor-core utilization is inherently low. In fused operators such as DeepGEMM's Mega...

Yong Li, Kan Liu, Tao Lan · 0 citations
#artificial intelligence Preprint Open access Nov 2026

Impact of Input Resolution in Mammographic Mass Detection: A Controlled Multi-Architecture Study

Deep-learning-based mass detectors usually downsample mammograms, trading fine image detail for lower computational cost. However, published studies cannot reveal how much accuracy this trade-off sacrifices, since they also differ in architecture, preprocessing, and evaluation protocol. In this work, we isolated the ef...

Kaan Buyukdemirci, Emine Ulku Saritas · 0 citations
#artificial intelligence Preprint Open access Nov 2026

Agentic Path Maps: Exposing an Agent's Traversal Through the Garden of Forking Paths

When an AI agent executes an underspecified task, it embeds choices that may contradict unarticulated user context and preferences. However, interrupting the user for clarification on all such decisions is untenable. How might agents communicate impactful, but unexplored, paths to the user after execution? To investiga...

Madeleine Grunde-McLaughlin, Hafsah Usman, Daniel Mitroshkov et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

When the Consumer Is an Agent: Execution-Grounded Service-Level Agreements

Large language model (LLM) agents increasingly act as service consumers. They select operations and report whether a task is complete. In an asynchronous distributed service, an accepted call or immediate state read does not establish that the required state became observable by its deadline. We introduce execution-gro...

Michal Orzechowski, Renata G. Slota, Jacek Kitowski · 0 citations
#artificial intelligence Preprint Nov 2026

Length Is Cheap, Competition Is Not: Attention Predicts Context Rot in Retrieval

Why do language models fail on long inputs? The common answer is length. We show that, for retrieval, length is cheap and competition is not. On five open models (0.5B to 3B parameters, four families), neutral filler costs nothing: accuracy stays at 0.97 to 1.00, up to 32K tokens on Qwen2.5-1.5B. Statements in the form...

Yi-Nuo Liu · 0 citations
#artificial intelligence Preprint Open access Nov 2026

What Remains in Sight? Autoregressive Video Decoding as Representation-Guided Context Rewriting

Long-horizon video generation is increasingly moving toward autoregressive rollout, where each newly generated segment becomes part of the evidence used for future prediction. Recent causal decoders, long-context training, and KV-cache mechanisms have extended feasible duration, but most inference pipelines still decid...

Lixuan He, Jihyeon Je, Yang You et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

Improving PI-RADS Prediction and Prostate Cancer Detection from Multiparametric MRI with Anatomical Guidance

Accurate prediction of Prostate Imaging Reporting and Data System (PI-RADS) scores from multiparametric MRI (mpMRI) remains challenging, more so than clinically significant prostate cancer (csPCa) detection. Given the importance of lesion location in PI-RADS scoring, we evaluated whether incorporating prostate zonal ma...

Seungbin Park, Thibault Heintz, Rachit Saluja et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

Generalizable AI-Generated Image Detection with Embedding-Space Explanations

AI-generated images have reached unprecedented realism, while instruction-driven AI editors re-synthesize images for local changes, leaving no splice boundary to localize. Most detectors are black boxes with unverifiable verdicts and generalize poorly because adapting a backbone on the detection distribution memorizes...

Nikos Giakoumoglou, Paschalis Giakoumoglou, Tania Stathaki et al. · 0 citations
#artificial intelligence Preprint Nov 2026

Separating Common and Unique Directions for Model Merging

Model merging combines multiple fine-tuned models without additional training, and arithmetic methods have emerged as a simple yet effective way to merge models without data. However, existing arithmetic methods treat task vectors in parameter space and apply a single element-wise rule to directions that can differ in...

Shi-Ting Wang, Ying-Jie Zou, Ke-Cheng Li · 1 citation
#artificial intelligence Preprint Open access Nov 2026

Swapping the Judge Changes the Ranking: A Preregistered Study of Cross-Provider Replication in LLM-Judged System Comparisons

Practitioners who compare systems with an LLM judge and have no human labels often check a conclusion by repeating it with a judge from another provider. We test how far that check can be trusted. In a preregistered study (with a disclosed post-registration reduction of the judge set), five judge models from three prov...

Sangdo Han (CEO Business School), Moonsoo Kim (CEO Business School) · 0 citations
#artificial intelligence Review Nov 2026

ScienceVision: Can AI Observe and Reason Like a Scientist?

This work introduces ScienceVision, a cross-domain benchmark for scientific 3D understanding and reasoning through expert-level visual question answering (VQA), and evaluates 12 models on the same questions in three settings.

Tian-Yi Ma, Jing Gu, Haozhe Zhao et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

When Model Complexity Matters in Cross-Subject Naturalistic fMRI Prediction

Increasingly complex neural models predict blood-oxygen-level-dependent (BOLD) responses to naturalistic stimuli, but the predictive value of this added complexity remains unclear. We ask when pretrained stimulus representations help and how much downstream complexity is needed, with and without recent measured BOLD hi...

Junhao Zhao, Jacob Kang, Colin Kurniawan et al. · 0 citations

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