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Showing 34746 results for "databases"
AI & Data Science Preprint PDF DOI

Sensi: Learn One Thing at a Time -- Curriculum-Based Test-Time Learning for LLM Game Agents

Mohsen Arjmandi ยท 2026

Large language model (LLM) agents deployed in unknown environments must learn task structure at test time, but current approaches require thousands of interactions to form useful hypotheses. We presenโ€ฆ

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Computer Science Preprint PDF DOI

On the generic information capacity of relational schemas with a single binary relation

Benoit Groz (Universite Paris-Saclay, CNRS, LISN, France), Jan Hidders (Birkbeck, University of London, UK), Nina Pardal (University of Edinburgh, UK), Jan Van den Bussche (Hasselt University, Belgium), Piotr Wieczorek (University of Wroc{l}aw, Poland) ยท 2026

We consider database schemas consisting of a single binary relation, with key constraints and inclusion dependencies. Over this space of 20 schemas, we completely characterize when one schema is generโ€ฆ

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AI & Data Science Preprint PDF DOI

End-to-end data-driven prediction of urban airflow and pollutant dispersion

Nishant Kumar, Franck Kerherve, Lionel Agostini, Laurent Cordier ยท 2026

Climate change and the rapid growth of urban populations are intensifying environmental stresses within cities, making the behavior of urban atmospheric flows a critical factor in public health, energโ€ฆ

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AI & Data Science Preprint PDF DOI

A Trace-Based Assurance Framework for Agentic AI Orchestration: Contracts, Testing, and Governance

Ciprian Paduraru, Petru-Liviu Bouruc, Alin Stefanescu ยท 2026

In Agentic AI, Large Language Models (LLMs) are increasingly used in the orchestration layer to coordinate multiple agents and to interact with external services, retrieval components, and shared memoโ€ฆ

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Physics Preprint PDF DOI

Hydrogen uptake and hydride formation in Al$_x$CoCrFeNi high-entropy alloys: First-principles, universal-potential, and experimental study

Fritz Kormann, Yuji Ikeda, Konstantin Glazyrin, Maxim Bykov, Kristina Spektor, Shrikant Bhat, Nikita Y. Gugin, Anton Bochkarev, Yury Lysogorskiy, Blazej Grabowski, Kirill V. Yusenko, Ralf Drautz ยท 2026

Hydrogen uptake in complex multicomponent alloys, including high-entropy alloys (HEAs), governs both hydrogen storage capacity and resistance to hydrogen-induced degradation. We combine high-pressure โ€ฆ

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Computer Science Preprint PDF DOI

Caging the Agents: A Zero Trust Security Architecture for Autonomous AI in Healthcare

Saikat Maiti ยท 2026

Autonomous AI agents powered by large language models are being deployed in production with capabilities including shell execution, file system access, database queries, and multi-party communication.โ€ฆ

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Computer Science Preprint PDF DOI

Circumventing Platform Defenses at Scale: Automated Content Replication from YouTube to Blockchain-Based Decentralized Storage

Zeeshan Akram ยท 2026

We present YouTube-Synch [1], a production system for automated, large-scale content extraction and replication from YouTube to decentralized storage on Joystream. The system continuously mirrors videโ€ฆ

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Computer Science Preprint PDF DOI

Revisiting Vulnerability Patch Identification on Data in the Wild

Ivana Clairine Irsan, Ratnadira Widyasari, Ting Zhang, Huihui Huang, Ferdian Thung, Yikun Li, Lwin Khin Shar, Eng Lieh Ouh, Hong Jin Kang, David Lo ยท 2026

Attacks can exploit zero-day or one-day vulnerabilities that are not publicly disclosed. To detect these vulnerabilities, security researchers monitor development activities in open-source repositorieโ€ฆ

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AI & Data Science Preprint PDF DOI

Pathology-Aware Multi-View Contrastive Learning for Patient-Independent ECG Reconstruction

Youssef Youssef, Jitin Singla ยท 2026

Reconstructing a 12-lead electrocardiogram (ECG) from a reduced lead set is an ill-posed inverse problem due to anatomical variability. Standard deep learning methods often ignore underlying cardiac pโ€ฆ

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Computer Science Preprint PDF DOI

Narrative Frames: A New Approach to Analysing Metaphors in AI Ethics and Policy Discourse

Daniel Stone ยท 2026

Metaphors fundamentally shape how we reason about complex issues like artificial intelligence, yet current approaches to metaphor analysis in political discourse suffer from inconsistent definitions aโ€ฆ

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Computer Science Preprint PDF DOI

Coded Information Retrieval for Block-Structured DNA-Based Data Storage

Daniella Bar-Lev ยท 2026

We study the problem of coded information retrieval for block-structured data, motivated by DNA-based storage systems where a database is partitioned into multiple files that must each be recoverable โ€ฆ

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AI & Data Science Preprint PDF DOI

LLM NL2SQL Robustness: Surface Noise vs. Linguistic Variation in Traditional and Agentic Settings

Lifu Tu, Rongguang Wang, Tao Sheng, Sujjith Ravi, Dan Roth ยท 2026

Robustness evaluation for Natural Language to SQL (NL2SQL) systems is essential because real-world database environments are dynamic, noisy, and continuously evolving, whereas conventional benchmark eโ€ฆ

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Computer Science Preprint PDF DOI

ODIN-Based CPU-GPU Architecture with Replay-Driven Simulation and Emulation

Nij Dorairaj, Debabrata Chatterjee, Hong Wang, Hong Jiang, Alankar Saxena, Altug Koker, Thiam Ern Lim, Cathrane Teoh, Chuan Yin Loo, Bishara Shomar, Anthony Lester ยท 2026

Integration of CPU and GPU technologies is a key enabler for modern AI and graphics workloads, combining control-oriented processing with massive parallel compute capability. As systems evolve toward โ€ฆ

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Engineering Preprint PDF DOI

Evaluating Smartphone GNSS Accuracy for Geofenced 6 GHz Operations

Joshua Roy Palathinkal, Hardani Ismu Nabil, Muhammad Iqbal Rochman, Hossein Nasiri, Francis A. Gatsi, Monisha Ghosh ยท 2026

The recently deployed 6 GHz spectrum in the U.S. utilizes distinct power categories, with the latest proposed "Geofenced Variable Power" (GVP) category permitting indoor and outdoor operations withoutโ€ฆ

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Computer Science Preprint PDF DOI

Ember: A Serverless Peer-to-Peer End-to-End Encrypted Messaging System over an IPv6 Mesh Network

Hamish Alsop, Leandros Maglaras, Naghmeh Moradpoor ยท 2026

A substantial body of research has focused on formalising what constitutes a ``secure'' messaging system, recognising that end-to-end encryption alone is insufficient to capture the full range of secuโ€ฆ

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Computer Science Preprint PDF DOI

Organisational accounts engaged in scholarly communication on Twitter: Patterns of presence, activity and engagement

Zohreh Zahedi, Yanqing Zhang, Zekun Han, Er-Te Zheng, Zhichao Fang ยท 2026

Organisational accounts are an integral part of the Twitter (now X) ecosystem. This study identified 9,842 research- and policy-related organisational accounts that had tweeted about scholarly publicaโ€ฆ

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Physics Preprint PDF DOI

Quantum classification and search algorithms using spinorial representations

Lauro Mascarenhas, Vinicius N. A. Lula-Rocha, Marco A. S. Trindade ยท 2026

We propose an algebraic formulation for two distinct quantum algorithms: a quantum classification algorithm and a quantum search algorithm with a non-uniform initial distribution, both based on Cliffoโ€ฆ

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Physics Preprint PDF DOI

Empirical impact of near-separatrix plasma and neutral transport on the pedestal in the transition between EDA and ELMy H-modes on Alcator C-Mod

M.A. Miller, J.W. Hughes, S. Saarelma, T. Eich, J. Dunsmore, J. Han, P. Manz, J.W. Connor, G.R. Tynan, A.E. Hubbard, A. Ho, T. Body, D. Silvagni, O. Grover, S. Mordijck, E.M. Edlund, B. LaBombard, M. Wigram, A. Cavallaro ยท 2026

The transition between the ELMy H-mode and the EDA H-mode is studied on Alcator C-Mod using an experimental database and predictive pedestal models. High-resolution Thomson scattering measurements areโ€ฆ

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Computer Science Preprint PDF DOI

Practical MCTS-based Query Optimization: A Reproducibility Study and new MCTS algorithm for complex queries

Vladimir Burlakov, Alena Rybakina, Sergey Kudashev, Konstantin Gilev, Alexander Demin, Denis Ponomaryov, Yuriy Dorn ยท 2026

Monte Carlo Tree Search (MCTS) has been proposed as a transformative approach to join-order optimization in database query processing, with recent frameworks such as AlphaJoin and HyperQO claiming to โ€ฆ

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AI & Data Science Preprint PDF DOI

TRUST-SQL: Tool-Integrated Multi-Turn Reinforcement Learning for Text-to-SQL over Unknown Schemas

Ai Jian, Xiaoyun Zhang, Wanrou Du, Jingqing Ruan, Jiangbo Pei, Weipeng Zhang, Ke Zeng, Xunliang Cai ยท 2026

Text-to-SQL parsing has achieved remarkable progress under the Full Schema Assumption. However, this premise fails in real-world enterprise environments where databases contain hundreds of tables withโ€ฆ

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