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Complex systems often comprise many kinds of components which vary over many orders of magnitude in size: Populations of cities in countries, individual and corporate wealth in economies, species abundance in ecologies, word frequency in…

Real-world complex systems often comprise many distinct types of elements as well as many more types of networked interactions between elements. When the relative abundances of types can be measured well, we often observe heavy-tailed…

物理与社会 · 物理学 2025-03-17 P. S. Dodds , J. R. Minot , M. V. Arnold , T. Alshaabi , J. L. Adams , A. J. Reagan , C. M. Danforth

The software Randentropy is designed to estimate inequality in a random system where several individuals interact moving among many communities and producing dependent random quantities of an attribute. The overall inequality is assessed by…

统计金融 · 定量金融 2021-03-17 Guglielmo D'Amico , Stefania Scocchera , Loriano Storchi

Optical turbulence presents a significant challenge for communication, directed energy, and imaging systems, especially in the atmospheric boundary layer. Effective modeling of optical turbulence strength is critical for the development and…

大气与海洋物理 · 物理学 2024-01-09 Christopher Jellen , Charles Nelson , Cody Brownell , John Burkhardt

This monograph offers a toolbox of mathematical techniques, which have been effective and widely applicable in information-theoretic analysis. The first tool is a generalization of the method of types to Gaussian settings, and then to…

信息论 · 计算机科学 2024-06-04 Neri Merhav , Nir Weinberger

The Information Dynamics Toolkit xl (IDTxl) is a comprehensive software package for efficient inference of networks and their node dynamics from multivariate time series data using information theory. IDTxl provides functionality to…

We present a user-friendly open-source MATLAB\textsuperscript{\textregistered} package developed by the research group Turbulence, Wind energy and Stochastics (TWiSt) at the Carl von Ossietzky University of Oldenburg. Firstly, this package…

流体动力学 · 物理学 2023-01-19 André Fuchs , Swapnil Kharche , Matthias Wächter , Joachim Peinke

Ontology alignment, a critical process in the Semantic Web for detecting relationships between different ontologies, has traditionally focused on identifying so-called "simple" 1-to-1 relationships through class labels and properties…

人工智能 · 计算机科学 2024-07-24 Reihaneh Amini , Sanaz Saki Norouzi , Pascal Hitzler , Reza Amini

While achieving remarkable progress in a broad range of tasks, large language models (LLMs) remain significantly limited in properly using massive external tools. Existing in-context learning approaches simply format tools into a list of…

人工智能 · 计算机科学 2024-03-05 Xukun Liu , Zhiyuan Peng , Xiaoyuan Yi , Xing Xie , Lirong Xiang , Yuchen Liu , Dongkuan Xu

Numerical and experimental turbulence simulations are nowadays reaching the size of the so-called big data, thus requiring refined investigative tools for appropriate statistical analyses and data mining. We present a new approach based on…

流体动力学 · 物理学 2017-01-05 Stefania Scarsoglio , Giovanni Iacobello , Luca Ridolfi

We present SentAlign, an accurate sentence alignment tool designed to handle very large parallel document pairs. Given user-defined parameters, the alignment algorithm evaluates all possible alignment paths in fairly large documents of…

计算与语言 · 计算机科学 2023-11-16 Steinþór Steingrímsson , Hrafn Loftsson , Andy Way

Token-level reweighting is a simple yet effective mechanism for controlling supervised fine-tuning, but common indicators are largely one-dimensional: the ground-truth probability reflects downstream alignment, while token entropy reflects…

机器学习 · 计算机科学 2026-05-28 Wenhao Yu , Shaohang Wei , Jiahong Liu , Yifan Li , Minda Hu , Aiwei Liu , Hao Zhang , Irwin King

We present an open source Python library for simulating overlapping (i.e., blended) images of galaxies and performing self-consistent comparisons of detection and deblending algorithms based on a suite of metrics. The package, named…

Braidlab is a Matlab package for analyzing data using braids. It was designed to be fast, so it can be used on relatively large problems. It uses the object-oriented features of Matlab to provide a class for braids on punctured disks and a…

几何拓扑 · 数学 2019-11-18 Jean-Luc Thiffeault , Marko Budisic

Analyzing texts such as open-ended responses, headlines, or social media posts is a time- and labor-intensive process highly susceptible to bias. LLMs are promising tools for text analysis, using either a predefined (top-down) or a…

We introduce NetworKit, an open-source software package for analyzing the structure of large complex networks. Appropriate algorithmic solutions are required to handle increasingly common large graph data sets containing up to billions of…

社会与信息网络 · 计算机科学 2015-11-16 Christian L. Staudt , Aleksejs Sazonovs , Henning Meyerhenke

For measuring tail risk with scarce extreme events, extreme value analysis is often invoked as the statistical tool to extrapolate to the tail of a distribution. The presence of large datasets benefits tail risk analysis by providing more…

统计方法学 · 统计学 2023-12-18 Liujun Chen , Deyuan Li , Chen Zhou

A set of analytical and computational tools based on transition path theory (TPT) is proposed to analyze flows in complex networks. Specifically, TPT is used to study the statistical properties of the reactive trajectories by which…

统计力学 · 物理学 2015-06-18 Maria Cameron , Eric Vanden-Eijnden

Automated searches for strong gravitational lensing in optical imaging survey datasets often employ machine learning and deep learning approaches. These techniques require more example systems to train the algorithms than have presently…

天体物理仪器与方法 · 物理学 2021-02-08 Robert Morgan , Brian Nord , Simon Birrer , Joshua Yao-Yu Lin , Jason Poh

Many scientific problems require multiple distinct computational tasks to be executed in order to achieve a desired solution. We introduce the Ensemble Toolkit (EnTK) to address the challenges of scale, diversity and reliability they pose.…

分布式、并行与集群计算 · 计算机科学 2018-05-17 Vivek Balasubramanian , Matteo Turilli , Weiming Hu , Matthieu Lefebvre , Wenjie Lei , Guido Cervone , Jeroen Tromp , Shantenu Jha
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