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Physics Preprint PDF DOI

Testing $\Lambda$CDM with ANN-Reconstructed Expansion History from Cosmic Chronometers

Yuki Hashimoto, Kazuharu Bamba, Sanjay Mandal · 2026

In modern cosmology, the rapid growth of high-precision observational data, along with significant theoretical advances, has intensified the challenge of identifying a robust, model-independent framew…

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Computer Science Preprint PDF DOI

Onyx: Cost-Efficient Disk-Oblivious ANN Search

Deevashwer Rathee, Jean-Luc Watson, Zirui Neil Zhao, G. Edward Suh, Raluca Ada Popa · 2026

Approximate nearest neighbor (ANN) search in AI systems increasingly handles sensitive data on third-party infrastructure. Trusted execution environments (TEEs) offer protection, but cost-efficient de…

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Computer Science Preprint PDF DOI

A GPU-Accelerated Framework for Multi-Attribute Range Filtered Approximate Nearest Neighbor Search

Zhonggen Li, Haoran Yu, Zixuan Xu, Yifan Zhu, Yunjun Gao · 2026

Range-filtered approximate nearest neighbor search (RFANNS) is increasingly critical for modern vector databases. However, existing solutions suffer from severe index inflation and construction overhe…

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Physics Preprint PDF DOI

Orlov-Schulman symmetries of the self-dual conformal structure equations

L. V. Bogdanov · 2026

We construct Orlov-Schulman symmetries for the self-dual conformal structure (SDCS) hierarchy. We provide an explicit proof of compatibility of additional symmetries with the basic Lax-Sato flows of t…

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AI & Data Science Preprint PDF DOI

Quantum inspired qubit qutrit neural networks for real time financial forecasting

Kanishk Bakshi, Kathiravan Srinivasan · 2026

This research investigates the performance and efficacy of machine learning models in stock prediction, comparing Artificial Neural Networks (ANNs), Quantum Qubit-based Neural Networks (QQBNs), and Qu…

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Neuroscience Preprint PDF DOI

The Umwelt Representation Hypothesis: Rethinking Universality

Victoria Bosch, Rowan Sommers, Adrien Doerig, Tim C Kietzmann · 2026

Recent studies reveal striking representational alignment between artificial neural networks (ANNs) and biological brains, leading to proposals that all sufficiently capable systems converge on univer…

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AI & Data Science Preprint PDF DOI

Assessing the Potential of Masked Autoencoder Foundation Models in Predicting Downhole Metrics from Surface Drilling Data

Aleksander Berezowski, Hassan Hassanzadeh, Gouri Ginde · 2026

Oil and gas drilling operations generate extensive time-series data from surface sensors, yet accurate real-time prediction of critical downhole metrics remains challenging due to the scarcity of labe…

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Computer Science Preprint PDF DOI

Decoupling Vector Data and Index Storage for Space Efficiency

Yuanming Ren, Juncheng Zhang, Yanjing Ren, Rui Yang, Di Wu, Patrick P. C. Lee · 2026

Managing large-scale vector datasets with disk-based approximate nearest neighbor search (ANNS) systems faces critical efficiency challenges stemming from the co-location of vector data and auxiliary …

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AI & Data Science Preprint PDF DOI

Ge$^\text{2}$mS-T: Multi-Dimensional Grouping for Ultra-High Energy Efficiency in Spiking Transformer

Zecheng Hao, Shenghao Xie, Kang Chen, Wenxuan Liu, Zhaofei Yu, Tiejun Huang · 2026

Spiking Neural Networks (SNNs) offer superior energy efficiency over Artificial Neural Networks (ANNs). However, they encounter significant deficiencies in training and inference metrics when applied …

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AI & Data Science Preprint PDF DOI

Context is All You Need

Jean Erik Delanois, Shruti Joshi, Ryan Golden, Teresa Nick, Maxim Bazhenov · 2026

Artificial Neural Networks (ANNs) are increasingly deployed across diverse real-world settings, where they must operate under data distributions that differ from those seen during training. This chall…

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AI & Data Science Preprint PDF DOI

YANA: Bridging the Neuromorphic Simulation-to-Hardware Gap

Brian Pachideh, Sven Nitzsche, Moritz Neher, Jann Krausse, Carmen Weigelt, Klaus Knobloch, Victor Pazmino Betancourt, Juergen Becker · 2026

Spiking Neural Networks (SNNs) promise significant advantages over conventional Artificial Neural Networks (ANNs) for applications requiring real-time processing of temporally sparse data streams unde…

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Engineering Preprint PDF DOI

Distributed Snitch Digital Twin-Based Anomaly Detection for Smart Voltage Source Converter-Enabled Wind Power Systems

Mohammad Ashraf Hossain Sadi, Soham Ghosh, Siby Plathottam, Mohd. Hasan Ali · 2026

Existing cyberattack detection methods for smart grids such as Artificial Neural Networks (ANNs) and Deep Reinforcement Learning (DRL) often suffer from limited adaptability, delayed response, and ina…

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Engineering Preprint PDF DOI

On ANN-enhanced positive invariance for nonlinear flat systems

Huu-Thinh Do, Ionela Prodan · 2026

The concept of positively invariant (PI) sets has proven effective in the formal verification of stability and safety properties for autonomous systems. However, the characterization of such sets is c…

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AI & Data Science Preprint PDF DOI

Detecting Toxic Language: Ontology and BERT-based Approaches for Bulgarian Text

Melania Berbatova, Tsvetoslav Vasev · 2026

Toxic content detection in online communication remains a significant challenge, with current solutions often inadvertently blocking valuable information, including medical terms and text related to m…

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Biology & Life Sciences Preprint PDF DOI

A Novel Multi-view Mixture Model Framework for Longitudinal Clustering with Application to ANCA-Associated Vasculitis

Shen Jia, David Selby, Mark A Little, Tin Lok James Ng · 2026

Effectively modeling irregularly sampled longitudinal data is essential for understanding disease progression and improving risk prediction. We propose a two-view mixture model that integrates static …

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Computer Science Preprint PDF DOI

STABLE: Efficient Hybrid Nearest Neighbor Search via Magnitude-Uniformity and Cardinality-Robustness

Qianyun Yang, Zhiwei Chen, Yupeng Hu, Zixu Li, Zhiheng Fu, Liqiang Nie · 2026

Hybrid Approximate Nearest Neighbor Search (Hybrid ANNS) is a foundational search technology for large-scale heterogeneous data and has gained significant attention in both academia and industry. Howe…

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Computer Science Preprint PDF DOI

Fiber-Navigable Search: A Geometric Approach to Filtered ANN

Thuong Dang · 2026

We present a geometric framework for filtered approximate nearest neighbor (ANN) search. Filtering a proximity graph by a metadata predicate produces a subgraph, a fiber, whose connectivity and geomet…

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Computer Science Preprint PDF DOI

GRAB-ANNS: High-Throughput Indexing and Hybrid Search via GPU-Native Bucketing

Xinkui Zhao, Hengxuan Lou, Yifan Zhang, Junjie Dai, Shuiguang Deng, Jianwei Yin · 2026

Hybrid search, which jointly optimizes vector similarity and structured predicate filtering, has become a fundamental building block for modern AI-driven systems. While recent predicate-aware ANN indi…

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Computer Science Preprint PDF DOI

Classifying Identities: Subcubic Distributivity Checking and Hardness from Arithmetic Progression Detection

Bart{l}omiej Dudek, Nick Fischer, Geri Gokaj, Ce Jin, Marvin Kunnemann, Xiao Mao, Mirza Redzic · 2026

We revisit the complexity of verifying basic identities, such as associativity and distributivity, on a given finite algebraic structure. In particular, while Rajagopalan and Schulman (FOCS'96, SICOMP…

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AI & Data Science Preprint PDF DOI

Few Shots Text to Image Retrieval: New Benchmarking Dataset and Optimization Methods

Ofer Idan, Vladi Vexler, Gil Lederman, Dima Sivov, Aviad Cohen Zada, Shir Niego Komforti · 2026

Pre-trained vision-language models (VLMs) excel in multimodal tasks, commonly encoding images as embedding vectors for storage in databases and retrieval via approximate nearest neighbor search (ANNS)…

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