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artificial intelligence

19,709 papers

#artificial intelligence Preprint Open access Nov 2026

Test-Time Self-Play: Scaling without a Verifier

Test-time scaling methods spend additional compute at deployment to improve a large language model's performance on a hard target problem. Most methods rely on a verifier that scores candidate solutions for correctness, using it to select among or refine the model's outputs. In many deployment regimes, however, a stron...

Akira Yoshiyama, Akmal Ashirmatov, Jonas H\"ubotter et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

Selective Retrieval Routing for Multi-Violation Knowledge Graph Repair

Knowledge graphs often contain missing or inconsistent facts that undermine the applications built on them. Schema validation detects such violations but does not identify which of several valid repairs recovers the intended graph. External corpora can supply the evidence needed to identify the intended repair, but ret...

Tung-Wei Lin, Gabe Fierro, Han Li et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

Permanent and Transient Representations for Continual Reinforcement Learning

Continual Reinforcement Learning (CRL) agents struggle to adapt to new situations while retaining prior knowledge, leading to a stability-plasticity trade-off. One approach to solving this problem is by using complementary learning systems: one for slow, long-term learning and another for quick, transient adaptation. A...

Nishanth Anand, Doina Precup · 0 citations
#artificial intelligence Preprint Nov 2026

How Should Agents See Code? Rethinking Code Representations for Agentic Software Engineering

LLM agents are increasingly used for repository-level software engineering tasks. However, most agents still access repositories through raw files, lexical search, and shell commands, treating code primarily as text. This paper investigates map-based code-representation workflows as a design variable in agentic softwar...

Melika Sepidband, Jiho Shin, Song Wang et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

Encoding and Propagation of Grammatical Number in Large Language Models

Sparse autoencoders (SAEs) have become an increasingly popular means of translating Large Language Model (LLM) hidden state vectors into a human-comprehensible list of features or symbols. As such, SAEs may provide insight into an LLM's knowledge representation and internal ``mental'' grammar - topics of pragmatic inte...

Jacob Solinsky (University of Minnesota), Serguei Pakhomov (University of Minnesota) · 0 citations
#artificial intelligence Preprint Open access Nov 2026

Efficient Diffusion Policy Fine Tuning with Latent Noise Representation Bridging

Pre-trained diffusion and flow policies have emerged as powerful backbones for robotics, yet adapting them to novel data via reinforcement learning (RL) remains computationally expensive, sample inefficient and lacks theoretical guarantees. Prior approaches that fine-tune the initial noise bypass costly backpropagation...

Yuanchu Liang, Yue Yang, An-Chi He et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

Satisficing as competitive Bayesian weighting: a minimal model of goal-directed choice under an unattained target

Animals and humans often do not maximize; they act relative to goals (aspiration levels) that are frequently not yet met. How can a goal that is not (yet) realized organize choice? Deacon (2012) calls such absence-referenced organization \emph{ententional}, and Garc\'{i}a-Valdecasas and Deacon (2024) argue that ends ar...

Moto Shinriki, Yu Kono, Tatsuji Takahashi · 0 citations
#artificial intelligence Preprint Open access Nov 2026

How Deep is the Signal? Time-Context up to 30 Years for Colorectal Cancer Prediction in a Primary-Care EHR Model

EHR foundation models read medical events within a fixed context window, and long context has so far been measured only in tokens. How far back in time a model must look to capture the earliest predictive signal is unknown. We introduce time-context, the calendar lookback window before the prediction point, and provide...

Achille Raviez, Lan Wang, Brendan Delaney · 0 citations
#artificial intelligence Preprint Open access Nov 2026

Evolutionary Adaptive Neighborhood Learning: A Genetic Algorithm for Instance-Dependent k Optimization in Nearest Neighbor Classification

The number of neighbours k is the central hyperparameter of the k-nearest neighbour (k-NN) classifier and is usually selected globally through cross-validation or evolutionary search. However, the bias-variance trade-off is inherently local: dense and noise-free regions may favour small neighbourhoods, whereas sparse o...

Isaac Touza, Kaladzavi Guidedi, Kolyang · 0 citations
#artificial intelligence Preprint Open access Nov 2026

TriAttention: Unified Sparse Mixed-Precision Attention for Long-Context LLM Inference

Sparsity and quantization reduce the cost of attention by skipping interactions and lowering the precision of those retained. However, useful interactions differ in their precision requirements: some tolerate low-precision scores while remaining sensitive to removal. We therefore introduce TriAttention, which assigns q...

Hanzhi Zhang, Qiao Zhang, Qinglei Cao et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

KG-Neighbor: Knowledge-Guided Neighborhood Construction for Embedding Visualization

In embedding visualizations, nearby instances are interpreted as semantically related, although neighborhoods derived from input embeddings may not reflect content relationships. Neighborhood-based dimensionality reduction (DR) methods can propagate this limitation by optimizing layouts from embedding-based neighborhoo...

Chang Won Kim, Jaewook Lee, Haeun Min et al. · 0 citations
#artificial intelligence Preprint Open access Nov 2026

MAC-v2: Long-horizon model-based value expansion from pixels

We study whether \emph{long-horizon model-based value expansion} can serve as an effective framework in pixel-based offline reinforcement learning (RL). Long-horizon model-based value expansion from pixels is substantially harder than state-based environments, as the agent must learn both the representation and its dyn...

Kwanyoung Park, Sergey Levine · 0 citations

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