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This paper proposes a method for designing diagonal preconditioners for a preconditioned primal-dual splitting method (P-PDS), an efficient algorithm that solves nonsmooth convex optimization problems. To speed up the convergence of P-PDS,…

信号处理 · 电气工程与系统科学 2023-07-25 Kazuki Naganuma , Shunsuke Ono

This work develops an active learning framework to intelligently enrich data-driven reduced-order models (ROMs) of parametric dynamical systems, which can serve as the foundation of virtual assets in a digital twin. Data-driven ROMs are…

机器学习 · 统计学 2026-01-05 Shane A. McQuarrie , Mengwu Guo , Anirban Chaudhuri

High-quality pre-training data is crutial for large language models, where quality captures factual reliability and semantic value, and diversity ensures broad coverage and distributional heterogeneity. Existing approaches typically rely on…

计算与语言 · 计算机科学 2025-10-23 Hongyi He , Xiao Liu , Zhenghao Lin , Mingni Tang , Yi Cheng , Jintao Wang , Wenjie Li , Peng Cheng , Yeyun Gong

Support vector machines (SVMs) rely on the inherent geometry of a data set to classify training data. Because of this, we believe SVMs are an excellent candidate to guide the development of an analytic feature selection algorithm, as…

机器学习 · 计算机科学 2013-04-23 Carly Stambaugh , Hui Yang , Felix Breuer

Precision cancer medicine aims to determine the optimal treatment for each patient. In-vitro cancer drug sensitivity screens combined with multi-omics characterization of the cancer cells have become an important tool to achieve this aim.…

统计方法学 · 统计学 2024-03-14 Zhi Zhao , Marco Banterle , Alex Lewin , Manuela Zucknick

Latent factor models are the driving forces of the state-of-the-art recommender systems, with an important insight of vectorizing raw input features into dense embeddings. The dimensions of different feature embeddings are often set to a…

机器学习 · 计算机科学 2020-09-11 Weiyu Cheng , Yanyan Shen , Linpeng Huang

In this article, we propose a novel strategy for conducting variable selection without prior model topology knowledge using the knockoff method with boosted tree models. Our method is inspired by the original knockoff method, where the…

统计方法学 · 统计学 2020-02-24 Tao Jiang , Yuanyuan Li , Alison A. Motsinger-Reif

While model selection is a well-studied topic in parametric and nonparametric regression or density estimation, selection of possibly high-dimensional nuisance parameters in semiparametric problems is far less developed. In this paper, we…

统计方法学 · 统计学 2023-09-06 Yifan Cui , Eric Tchetgen Tchetgen

Arbitrary-oriented object detection (AOOD) is a challenging task to detect objects in the wild with arbitrary orientations and cluttered arrangements. Existing approaches are mainly based on anchor-based boxes or dense points, which rely on…

计算机视觉与模式识别 · 计算机科学 2022-05-26 Linhui Dai , Hong Liu , Hao Tang , Zhiwei Wu , Pinhao Song

This paper proposes a method to automatically construct or estimate Neyman-orthogonal moments in general models defined by a finite number of conditional moment restrictions (CMRs), with possibly different conditioning variables and…

计量经济学 · 经济学 2025-12-10 Facundo Argañaraz

Structural and practical parameter non-identifiability issues are common when mathematical models are used to interpret data. Such issues motivate model reparameterisation and reduction methods. Here, we consider Invariant Image…

We conduct an exhaustive survey of adaptive selection of operators (AOS) in Evolutionary Algorithms (EAs). We simplified the AOS structure by adding more components to the framework to built upon the existing categorisation of AOS methods.…

神经与进化计算 · 计算机科学 2020-05-13 Mudita Sharma , Manuel Lopez-Ibanez , Dimitar Kazakov

Real-time robotic systems require advanced perception, computation, and action capability. However, the main bottleneck in current autonomous systems is the trade-off between computational capability, energy efficiency and model…

机器人学 · 计算机科学 2025-09-18 Shay Snyder , Andrew Capodieci , David Gorsich , Maryam Parsa

Constrained mechanical systems occur in many applications, such as modeling of robots and other multibody systems. In this case, the motion is governed by a system of differential-algebraic equations (DAE), often with large and sparse…

动力系统 · 数学 2025-07-09 Peter Benner , Yevgeniya Filanova , Igor Pontes Duff , Jens Saak

Structural monitoring for complex built environments often suffers from mismatch between design, laboratory testing, and actual built parameters. Additionally, real-world structural identification problems encounter many challenges. For…

机器学习 · 计算机科学 2022-08-29 Xuyang Li , Hamed Bolandi , Talal Salem , Nizar Lajnef , Vishnu Naresh Boddeti

Genetic algorithms are a widely used method in chemometrics for extracting variable subsets with high prediction power. Most fitness measures used by these genetic algorithms are based on the ordinary least-squares fit of the resulting…

统计计算 · 统计学 2017-11-21 David Kepplinger , Peter Filzmoser , Kurt Varmuza

We propose a dimension reduction framework for feature extraction and moment reconstruction in dynamical systems that operates on spaces of probability measures induced by observables of the system rather than directly in the original data…

机器学习 · 统计学 2020-04-07 Suddhasattwa Das , Dimitrios Giannakis , Enikő Székely

We propose a method for variable selection and basis learning for high-dimensional classification with ordinal responses. The proposed method extends sparse multiclass linear discriminant analysis, with the aim of identifying not only the…

统计方法学 · 统计学 2025-02-17 Minwoo Kim , Sangil Han , Jeongyoun Ahn , Sungkyu Jung

Insights into complex, high-dimensional data can be obtained by discovering features of the data that match or do not match a model of interest. To formalize this task, we introduce the "data selection" problem: finding a lower-dimensional…

统计方法学 · 统计学 2021-09-10 Eli N. Weinstein , Jeffrey W. Miller

Bayesian Optimization (BO) has shown great promise for the global optimization of functions that are expensive to evaluate, but despite many successes, standard approaches can struggle in high dimensions. To improve the performance of BO,…

机器学习 · 计算机科学 2022-06-17 Sebastian Ament , Carla Gomes