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We consider a simulation-based Ranking and Selection (R&S) problem with input uncertainty, where unknown input distributions can be estimated using input data arriving in batches of varying sizes over time. Each time a batch arrives,…

最优化与控制 · 数学 2022-09-05 Di Wu , Yuhao Wang , Enlu Zhou

We demonstrate the first climate-scale, numerical ocean simulations improved through distributed, online inference of Deep Neural Networks (DNN) using SmartSim. SmartSim is a library dedicated to enabling online analysis and Machine…

计算工程、金融与科学 · 计算机科学 2021-04-20 Sam Partee , Matthew Ellis , Alessandro Rigazzi , Scott Bachman , Gustavo Marques , Andrew Shao , Benjamin Robbins

Retrieval-Augmented Language Models (RALMs) have significantly improved performance in open-domain question answering (QA) by leveraging external knowledge. However, RALMs still struggle with unanswerable queries, where the retrieved…

计算与语言 · 计算机科学 2024-08-09 Seong-Il Park , Seung-Woo Choi , Na-Hyun Kim , Jay-Yoon Lee

In computational fluid dynamics simulations of industrial flows, models based on the Reynolds-averaged Navier--Stokes (RANS) equations are expected to play an important role in decades to come. However, model uncertainties are still a major…

流体动力学 · 物理学 2018-10-01 Heng Xiao , Paola Cinnella

We introduce ETOM, a five-level benchmark for evaluating multi-hop, end-to-end tool orchestration by LLM agents within a hierarchical Model-Context Protocol (MCP) ecosystem. Existing benchmarks often assess tools in isolation, overlooking…

人工智能 · 计算机科学 2026-01-21 Jia-Kai Dong , I-Wei Huang , Chun-Tin Wu , Yi-Tien Tsai

Computational Fluid Dynamics (CFD) simulations using turbulence models are commonly used in engineering design. Of the different turbulence modeling approaches that are available, eddy viscosity based models are the most common for their…

流体动力学 · 物理学 2023-10-24 Minghan Chu , Weicheng Qian

We propose GAM-Agent, a game-theoretic multi-agent framework for enhancing vision-language reasoning. Unlike prior single-agent or monolithic models, GAM-Agent formulates the reasoning process as a non-zero-sum game between base…

人工智能 · 计算机科学 2025-05-30 Jusheng Zhang , Yijia Fan , Wenjun Lin , Ruiqi Chen , Haoyi Jiang , Wenhao Chai , Jian Wang , Keze Wang

Social deduction games have become a popular testbed for probing reasoning, deception, coordination, and belief modeling in Large Language Model (LLM) agents. However, most environments are scored only by game outcomes such as win rates and…

Large language models (LLMs) exhibit strong generative capabilities but remain vulnerable to confabulations, fluent yet unreliable outputs that vary arbitrarily even under identical prompts. Leveraging a quantum tensor network based…

计算与语言 · 计算机科学 2026-02-03 Pragatheeswaran Vipulanandan , Kamal Premaratne , Dilip Sarkar

Reduced Order Models (ROMs) form essential tools across engineering domains by virtue of their function as surrogates for computationally intensive digital twinning simulators. Although purely data-driven methods are available for ROM…

计算工程、金融与科学 · 计算机科学 2025-04-14 Konstantinos Vlachas , Thomas Simpson , Anthony Garland , D. Dane Quinn , Charbel Farhat , Eleni Chatzi

Universal multimodal embedding (UME) maps heterogeneous inputs into a shared retrieval space with a single model. Recent approaches improve UME by generating explicit chain-of-thought (CoT) rationales before extracting embeddings, enabling…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Chenwei He , Xiangzhao Hao , Tianyu Yang , Yuxiang Ma , Yuheng Jia , Lingxiang Wu , Chaoyang Zhao , Haiyun Guo , Jinqiao Wang

This paper investigates non-intrusive Scientific Machine Learning (SciML) Reduced-Order Models (ROMs) for plasma turbulence simulations. In particular, we focus on Operator Inference (OpInf) to build low-cost physics-based ROMs from data…

计算物理 · 物理学 2024-11-20 Constantin Gahr , Ionut-Gabriel Farcas , Frank Jenko

This study focuses on designing and developing a mathematically based quadcopter rotational dynamics simulation framework for testing reinforcement learning (RL) algorithms in many flexible configurations. The design of the simulation…

机器学习 · 计算机科学 2022-02-22 Burak Han Demirbilek

To generate "accurate" scene graphs, almost all existing methods predict pairwise relationships in a deterministic manner. However, we argue that visual relationships are often semantically ambiguous. Specifically, inspired by linguistic…

计算机视觉与模式识别 · 计算机科学 2021-03-11 Gengcong Yang , Jingyi Zhang , Yong Zhang , Baoyuan Wu , Yujiu Yang

Mediation analysis for complex, non-Euclidean data, such as probability distributions, compositions, images, and networks, presents significant methodological challenges due to the inherent nonlinearity and geometric constraints of such…

统计方法学 · 统计学 2026-04-01 Wenxi Tan , Bing Li , Lingzhou Xue

Numerical simulations of contaminant dispersion, as after a gas leakage incident on a chemical plant, can provide valuable insights for both emergency response and preparedness. Simulation approaches combine incompressible Navier-Stokes…

计算工程、金融与科学 · 计算机科学 2026-03-05 Lisa Kühn , Jacopo Bonari , Max von Danwitz , Alexander Popp

Large language models (LLMs) integrated into multistep agent systems enable complex decision-making processes across various applications. However, their outputs often lack reliability, making uncertainty estimation crucial. Existing…

计算与语言 · 计算机科学 2024-12-03 Qiwei Zhao , Xujiang Zhao , Yanchi Liu , Wei Cheng , Yiyou Sun , Mika Oishi , Takao Osaki , Katsushi Matsuda , Huaxiu Yao , Haifeng Chen

In the era of information proliferation, discerning the credibility of news content poses an ever-growing challenge. This paper introduces RELIANCE, a pioneering ensemble learning system designed for robust information and fake news…

信息检索 · 计算机科学 2024-04-23 Majid Ramezani , Hamed Mohammadshahi , Mahshid Daliry , Soroor Rahmani , Amir-Hosein Asghari

We explore a reduced-order model (ROM) of plane Couette flow with a view to performing turbulence control. The ROM is derived through Galerkin projections of the incompressible Navier-Stokes (NS) system onto a basis composed of…

流体动力学 · 物理学 2025-07-09 Igor A. Maia , André V. G. Cavalieri

Neural Networks (NNs) have been extensively used for a wide spectrum of real-world regression tasks, where the goal is to predict a numerical outcome such as revenue, effectiveness, or a quantitative result. In many such tasks, the point…

机器学习 · 计算机科学 2020-06-05 Xin Qiu , Elliot Meyerson , Risto Miikkulainen