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We propose an efficient, accurate method to integrate the basins of attraction of a smooth function defined on a general discrete grid, and apply it to the Bader charge partitioning for the electron charge density. Starting with the…

材料科学 · 物理学 2011-02-15 Min Yu , Dallas R. Trinkle

Retrieval-Augmented Generation (RAG) systems are increasingly deployed on large-scale document collections, often comprising millions of documents and tens of millions of text chunks. In industrial-scale retrieval platforms, scalability is…

信息检索 · 计算机科学 2026-01-08 Dario Maio , Stefano Rizzi

We propose a new method for shape recognition and retrieval based on dynamic programming. Our approach uses the dynamic programming algorithm to compute the optimal score and to find the optimal alignment between two strings. First, each…

计算机视觉与模式识别 · 计算机科学 2019-05-01 Noreddine Gherabi , Bahaj Mohamed

Dual Fabry-Perot cavity based optical refractometry (DFPC-OR) has a high potential for assessments of gas density. However, drifts of the FP cavity often limit its performance. We show that by the use of two narrow-linewidth fiber lasers…

仪器与探测器 · 物理学 2018-01-11 Isak Silander , Thomas Hausmaninger , Michael Bradley , Martin Zelan , Ove Axner

Hybridisation of the multi-objective optimisation algorithm NSGA-II and local search is proposed for water distribution system design. Results obtained with the proposed algorithm are presented for four medium-size water networks taken from…

神经与进化计算 · 计算机科学 2019-05-21 Mahesh Patil , M. Naveen Naidu , A. Vasan , Murari R. R. Varma

Multichannel frequency estimation with incomplete data and miscellaneous noises arises in array signal processing, modal analysis, wireless communications, and so on. In this paper, we consider maximum-likelihood(-like) optimization methods…

信号处理 · 电气工程与系统科学 2023-07-18 Xunmeng Wu , Zai Yang , Zongben Xu

Neural architecture search (NAS) has been studied extensively and has grown to become a research field with substantial impact. While classical single-objective NAS searches for the architecture with the best performance, multi-objective…

机器学习 · 计算机科学 2022-08-02 Lennart Schneider , Florian Pfisterer , Paul Kent , Juergen Branke , Bernd Bischl , Janek Thomas

We present a novel approach to adaptive optimal design of groundwater surveys - a methodology for choosing the location of the next monitoring well. Our dual-weighted approach borrows ideas from Bayesian Optimisation and goal-oriented error…

应用统计 · 统计学 2022-06-01 Mikkel B Lykkegaard , Tim J Dodwell

Reservoir computing has proven effective for tasks such as time-series prediction, particularly in the context of chaotic systems. However, conventional reservoir computing frameworks often face challenges in achieving high prediction…

混沌动力学 · 物理学 2025-05-28 Felix Köster , Kazutaka Kanno , Atsushi Uchida

Improving the efficiency of Neural Architecture Search (NAS) is a challenging but significant task that has received much attention. Previous works mainly adopted the Differentiable Architecture Search (DARTS) and improved its search…

计算机视觉与模式识别 · 计算机科学 2023-12-25 Chongjun Tu , Peng Ye , Weihao Lin , Hancheng Ye , Chong Yu , Tao Chen , Baopu Li , Wanli Ouyang

Structured optimization problems are ubiquitous in fields like data science and engineering. The goal in structured optimization is using a prescribed set of points, called atoms, to build up a solution that minimizes or maximizes a given…

最优化与控制 · 数学 2021-01-14 Andrea Cristofari , Francesco Rinaldi

The cost- and memory-efficient numerical simulation of coupled volume-based multi-physics problems like flow, transport, wave propagation and others remains a challenging task with finite element method (FEM) approaches. Goal-oriented space…

数学软件 · 计算机科学 2019-05-01 Uwe Köcher , Marius Paul Bruchhäuser , Markus Bause

Approximate Nearest Neighbor Search (ANNS) is a crucial operation in databases and artificial intelligence. While graph-based ANNS methods like HNSW and NSG excel in performance, they assume uniform query distribution. However, in…

数据库 · 计算机科学 2026-01-13 Yifan Zhu , Ruijie Zhao , Zhonggen Li , Baihua Zheng , Zhikun Zhang , Zhaoqiang Chen , Congcong Ge

Retrieval-augmented generation (RAG) is a promising method for addressing some of the memory-related challenges associated with Large Language Models (LLMs). Two separate systems form the RAG pipeline, the retriever and the reader, and the…

计算与语言 · 计算机科学 2024-11-13 Alexandria Leto , Cecilia Aguerrebere , Ishwar Bhati , Ted Willke , Mariano Tepper , Vy Ai Vo

To address the challenges of limited Battery Swap Stations datasets, high operational costs, and fluctuating user charging demand, this research proposes a probability estimation model based on charging pile data and constructs nine…

神经与进化计算 · 计算机科学 2025-08-21 Anzhen Li , Shufan Qing , Xiaochang Li , Rui Mao , Mingchen Feng

Current embedded systems are specifically designed to run multimedia applications. These applications have a big impact on both performance and energy consumption. Both metrics can be optimized selecting the best cache configuration for a…

神经与进化计算 · 计算机科学 2023-02-23 Josefa Díaz Álvarez , José L. Risco-Martín , J. Manuel Colmenar

This paper shows a mathematical formalization, algorithms and computation software of volume optimal cycles, which are useful to understand geometric features shown in a persistence diagram. Volume optimal cycles give us concrete and…

代数拓扑 · 数学 2017-12-15 Ippei Obayashi

Interatomic potentials which accurately describe long-range electrostatics require atom-centred charges. One such method to determine these atom-centred charges from density functional theory (DFT) calculations is the density-derived atomic…

材料科学 · 物理学 2026-04-14 Mohith H. , Sudarshan Vijay

A major challenge to implementing residential demand response is that of aligning the objectives of many households, each of which aims to minimize its payments and maximize its comfort level, while balancing this with the objectives of an…

分布式、并行与集群计算 · 计算机科学 2016-11-18 Sleiman Mhanna , Archie Chapman , Gregor Verbic

In the present article we describe a few simple and efficient finite volume type schemes on moving grids in one spatial dimension combined with appropriate predictor-corrector method to achieve higher resolution. The underlying finite…

数值分析 · 数学 2020-05-26 Gayaz Khakimzyanov , Denys Dutykh , Dimitrios Mitsotakis , Nina Shokina