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In high-dimensional settings, Canonical Correlation Analysis (CCA) often fails, and existing sparse methods force an untenable choice between computational speed and statistical rigor. This work introduces a fast and provably consistent…

统计方法学 · 统计学 2025-07-16 Zixuan Wu , Elena Tuzhilina , Claire Donnat

We take an information theoretic perspective on a classical sparse-sampling noisy linear model and present an analytical expression for the mutual information, which plays central role in a variety of communications/processing problems.…

信息论 · 计算机科学 2014-03-25 Wasim Huleihel , Neri Merhav , Shlomo Shamai

The orthogonalization process is an essential building block in Krylov space methods, which takes up a large portion of the computational time. Commonly used methods, like the Gram-Schmidt method, consider the projection and normalization…

数值分析 · 数学 2022-04-29 Nils-Arne Dreier , Christian Engwer

Agreement measures are useful to both compare different evaluations of the same diagnostic outcomes and validate new rating systems or devices. Information Agreement (IA) is an information-theoretic-based agreement measure introduced to…

信息论 · 计算机科学 2020-08-27 Alberto Casagrande , Francesco Fabris , Rossano Girometti

A dependence measure for arbitrary type pairs of random variables is proposed and analyzed, which in the particular case where both random variables are continuous turns out to be a concordance measure. Also, a sample version of the…

统计理论 · 数学 2017-02-07 Arturo Erdely

Instructional documents are rich sources of knowledge for completing various tasks, yet their unique challenges in conversational question answering (CQA) have not been thoroughly explored. Existing benchmarks have primarily focused on…

计算与语言 · 计算机科学 2024-10-02 Shiwei Wu , Chen Zhang , Yan Gao , Qimeng Wang , Tong Xu , Yao Hu , Enhong Chen

This paper studies a downlink system that combines orthogonal-time-frequency-space (OTFS) modulation and sparse code multiple access (SCMA) to support massive connectivity in high-mobility environments. We propose a cross-domain receiver…

信息论 · 计算机科学 2023-01-04 Haifeng Wen , Weijie Yuan , Zilong Liu , Shuangyang Li

The Gaussian copula is a powerful tool that has been widely used to model spatial and/or temporal correlated data with arbitrary marginal distributions. However, this kind of model can potentially be too restrictive since it expresses a…

统计方法学 · 统计学 2023-05-30 Moreno Bevilacqua , Eloy Alvarado , Christian Caamaño-Carrillo

Cala-gopher is a library-level Scala implementation of communication sequence process constructs: channels, selectors (similar to analogical constructs in Limbo or Go) transputers (similar to Occam proc) and a set of high-level operations…

编程语言 · 计算机科学 2016-11-03 Ruslan Shevchenko

The emergence of large language models (LLMs) has significantly influenced numerous fields, including healthcare, by enhancing the capabilities of automated systems to process and generate human-like text. However, despite their…

信息检索 · 计算机科学 2025-04-23 Mohit Gupta , Akiko Aizawa , Rajiv Ratn Shah

In distributed machine learning, where agents collaboratively learn from diverse private data sets, there is a fundamental tension between consensus and optimality. In this paper, we build on recent algorithmic progresses in distributed…

机器学习 · 统计学 2018-05-31 Zhanhong Jiang , Aditya Balu , Chinmay Hegde , Soumik Sarkar

This paper is targeted in the area of biometric data enabled security system based on the machine learning for the digital health. The disadvantages of traditional authentication systems include the risks of forgetfulness, loss, and theft.…

密码学与安全 · 计算机科学 2019-12-03 Amang Song-Kyoo Kim , Chan Yeob Yeun , Paul D. Yoo

Gaussian copulas are widely used in the industry to correlate two random variables when there is no prior knowledge about the co-dependence between them. The perturbed Gaussian copula approach allows introducing the skew information of both…

证券定价 · 定量金融 2012-02-10 Alberto Elices , Jean-Pierre Fouque

In this paper, we study the problem of learning multi-dimensional Gaussian Mixture Models (GMMs), with a specific focus on model order selection and efficient mixing distribution estimation. We first establish an information-theoretic lower…

机器学习 · 统计学 2026-03-23 Xinyu Liu , Hai Zhang

The rapid development of high-throughput technologies has enabled the generation of data from biological or disease processes that span multiple layers, like genomic, proteomic or metabolomic data, and further pertain to multiple sources,…

机器学习 · 统计学 2022-01-25 Subhabrata Majumdar , George Michailidis

Argo is an international program that collects temperature and salinity observations in the upper two kilometers of the global ocean. Most existing approaches for modeling Argo temperature rely on localized modeling within moving windows,…

统计计算 · 统计学 2026-04-28 Nian Liu , Jian Cao

Recursive self-modification is increasingly central in AutoML, neural architecture search, and adaptive optimization, yet no existing framework ensures that such changes are made safely. Godel machines offer a principled safeguard by…

机器学习 · 计算机科学 2025-10-14 Xuening Wu , Shenqin Yin , Yanlan Kang , Xinhang Zhang , Qianya Xu , Zeping Chen , Wenqiang Zhang

We introduce Omega^2, a Large Language Model-driven framework for corporate credit scoring that combines structured financial data with advanced machine learning to improve predictive reliability and interpretability. Our study evaluates…

机器学习 · 计算机科学 2025-11-05 Chitro Majumdar , Sergio Scandizzo , Ratanlal Mahanta , Avradip Mandal , Swarnendu Bhattacharjee

Graph matching is a challenging problem with very important applications in a wide range of fields, from image and video analysis to biological and biomedical problems. We propose a robust graph matching algorithm inspired in…

最优化与控制 · 数学 2013-11-26 Marcelo Fiori , Pablo Sprechmann , Joshua Vogelstein , Pablo Musé , Guillermo Sapiro

Large language models (LLMs) have demonstrated exceptional reasoning capabilities, and co-evolving paradigms have shown promising results in domains such as code and math. However, in scientific reasoning tasks, these models remain fragile…

人工智能 · 计算机科学 2026-02-13 Xiaohan He , Shiyang Feng , Songtao Huang , Lei Bai , Bin Wang , Bo Zhang