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20,463 papers

#artificial intelligence Preprint Open access Oct 2026

NeuSE: Neural SE(3)-Equivariant Embedding for Long-Term Object-Based Simultaneous Localization and Mapping

We present NeuSE, a novel Neural SE(3)-Equivariant Embedding for objects, and illustrate how it supports object-based Simultaneous Localization and Mapping (SLAM) for consistent spatial understanding with long-term scene changes. NeuSE is a set of latent object embeddings created from partial object observations. It se...

Jiahui Fu, Yilun Du, Kurran Singh et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

$\mathrm{R}{\scriptstyle\mathrm{EAL}}\mathrm{G}{\scriptstyle\mathrm{UARD}}$: Reliable, Efficient, and Auditable LLM Safeguards via Latent Reasoning

Reasoning-based large language model (LLM) safeguards improve safety classification accuracy by generating explicit rationales before making decisions. However, generating explicit rationales adds substantial decoding overhead to every safety decision, while readable explanations are needed only for on-demand audits. T...

Zhinan Liu, Jie Li, Mingyu Kang et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Surrogate Substitution Preserves PHI Detectability: A Multi-Detector Equivalence Study

Structure-preserving de-identification replaces each detected identifier with a realistic same-type surrogate ("Anna S." -> "Maria S.") rather than a tag such as [NAME]. If downstream PHI detectors no longer recognise surrogates, hiding-in-plain-sight protection and second-pass safety nets weaken. We ask: on the spans...

Qiming Bao, Sherry J. H. Feng, Kim Chester Eugenio et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

LaCache: Robust Semantic Caching for LLM Serving

Semantic caching, reusing responses to answer semantically similar queries, has seen growing adoption in LLM serving, offering faster responses and reduced costs. Yet existing schemes are fundamentally vulnerable to cache-collision attacks, wherein an adversary pollutes the cache by injecting adversarial queries, corru...

Jiacheng Liang, Yuhui Wang, Tanqiu Jiang et al. · 0 citations

MIND: Lightweight and Effective Memory Injection Defense for LLM Agents via Intent-Aware Information Bottleneck

The preliminary analysis reveals that benign and poisoned trajectories exhibit distinguishable relationships between the initial user intent and subsequent behavior, which mitigates information redundancy in multi-turn contexts while avoiding the overhead of repeated LLM auditing.

Dong-Yi Liu, Hai-Xing He, Xiao-Bao Wu et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Tracing Agentic Failure from the Flow of Success

Failure attribution for LLM-based agentic systems, i.e., identifying which steps in a failure trajectory caused the task to fail, is critical for debugging and improving these systems. Existing approaches either rely on prompting-based pipelines, which are computationally expensive, or require post-training on failure...

Samuel Yeh, Yiwen Zhu, Shaleen Deep et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Process Advantage Signal Shaping: Advantage Construction for Process-Supervised Reinforcement Learning in LLM Reasoners

Dense process supervision supplies local feedback but leaves open how that feedback should become a policy advantage. We introduce PASS (Process Advantage Signal Shaping), an advantage-construction pipeline for group-relative policy optimization (GRPO). PASS combines separate reward-channel normalization and fusion, si...

Chao Wang, Hongtao Tian, Tao Yang et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

What a Pooled Leaderboard Does Not Say: Auditing the Scope and Provenance of Method Comparisons in Microservice RCA Benchmarks

Offline benchmarks for microservice root cause analysis (RCA) rank methods by a score pooled over several applications, and a pooled lead leaves two things unstated: on which of the systems it holds, and how the score was produced. We audit both on three public benchmark families (OpenRCA, RCAEval, and PetShop), runnin...

Lining Hu, Ting Liu, Yuzhuo Fu · 0 citations
#artificial intelligence Preprint Open access Oct 2026

MedEvoEval: Evaluating Continual Evolution of Doctor Agents through Simulated Clinical Episodes

Doctor agents are moving beyond single-turn answer generation toward evolving clinical decision systems that acquire evidence within episodes and reuse experience across episodes. Fixed-input medical QA and many interactive benchmarks provide limited support for evaluating how episode-level decisions interact with cros...

Hui Zhang · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Understanding Rollout Error in Graph World Models

World models are increasingly used for planning by predicting future states under candidate actions. Many planning environments, however, are naturally graph-structured, with agents, tools, skills, routes, and dependencies connected through fixed or evolving relations. Understanding how prediction errors accumulate in...

Xinyuan Song, Zekun Cai · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Beyond Trajectory Imitation: Strategy-Guided Policy Optimization for LLM Reasoning

Distilling reasoning capabilities from strong to weak language models typically involves imitating specific solution trajectories, effectively transferring what to answer rather than how to reason. This trajectory-level imitation encourages memorization of instance-specific steps rather than acquisition of transferable...

Tianyuan Shi, Canbin Huang, Bei Li et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Litmus: Zero-Label, Code-Driven Metric Specification for Evaluating AI Systems

As agentic LLM systems move from prototypes to deployment, evaluating them has become more important and more difficult. Evaluation goals are often left implicit. Without a clear account of what a system is expected to do, how it can fail, and which failures matter, metric choices become difficult to justify, interpret...

Prajjwal Gupta, Prasang Gupta, Vishal Bhutani et al. · 0 citations

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Hugging Face Blog Nov 10, 2026

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