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Minimizing the Mean Squared Error (MSE) is a key objective in machine learning and is commonly used for imputing missing values. While this approach provides accurate point estimates, it introduces systematic biases in downstream analyses.…

机器学习 · 统计学 2026-05-06 Stef van Buuren

The ALICE experiment at CERN LHC is specifically designed for investigating heavy ion collisions. The upgraded ALICE accommodates a tenfold increase in PbPb luminosity and a two-order of magnitude surge in minimum bias events. To address…

高能物理 - 实验 · 物理学 2024-04-12 Marian Ivanov , Marian Ivanov , Giulio Eulise

Multi-agent systems (MAS) are critical for automating complex tasks, yet their practical deployment is severely hampered by the challenge of failure attribution. Current diagnostic tools, which rely on statistical correlations, are…

人工智能 · 计算机科学 2025-09-11 Guoqing Ma , Jia Zhu , Hanghui Guo , Weijie Shi , Jiawei Shen , Jingjiang Liu , Yidan Liang

As a widely used weakly supervised learning scheme, modern multiple instance learning (MIL) models achieve competitive performance at the bag level. However, instance-level prediction, which is essential for many important applications,…

机器学习 · 计算机科学 2022-06-14 Hitesh Sapkota , Qi Yu

We present a new machine learning model for estimating photometric redshifts with improved accuracy for galaxies in Pan-STARRS1 data release 1. Depending on the estimation range of redshifts, this model based on neural networks can handle…

天体物理仪器与方法 · 物理学 2021-12-09 Joongoo Lee , Min-Su Shin

The high computational complexity and energy consumption of artificial intelligence (AI) algorithms hinder their application in augmented reality (AR) systems. However, mobile edge computing (MEC) makes it possible to solve this problem.…

网络与互联网体系结构 · 计算机科学 2023-01-04 Guangjin Pan , Heng Zhang , Shugong Xu , Shunqing Zhang , Xiaojing Chen

The use of flexible machine-learning (ML) models to generate imputations of missing data within the framework of Multiple Imputation (MI) has recently gained traction, particularly in observational settings. For randomised controlled trials…

统计方法学 · 统计学 2025-10-07 Mia S. Tackney , Jonathan W. Bartlett , Elizabeth Williamson , Kim May Lee

Multi-label Classification (MLC) assigns an instance to one or more non-exclusive classes. A challenge arises when the dataset contains a large proportion of instances with no assigned class, referred to as negative data, which can…

机器学习 · 计算机科学 2025-06-09 Dumindu Tissera , Omar Awadallah , Muhammad Umair Danish , Ayan Sadhu , Katarina Grolinger

Redshift prediction is a fundamental task in astronomy, essential for understanding the expansion of the universe and determining the distances of astronomical objects. Accurate redshift prediction plays a crucial role in advancing our…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Amirreza Dolatpour Fathkouhi , Geoffrey Charles Fox

Most datasets suffer from partial or complete missing values, which has downstream limitations on the available models on which to test the data and on any statistical inferences that can be made from the data. Several imputation techniques…

机器学习 · 统计学 2023-02-09 Adrienne Kline , Yuan Luo

In this paper we discuss an application of machine learning based methods to the identification of candidate AGN from optical survey data and to the automatic classification of AGNs in broad classes. We applied four different machine…

宇宙学与河外天体物理 · 物理学 2013-10-14 Stefano Cavuoti , Massimo Brescia , Raffaele D'Abrusco , Giuseppe Longo , Maurizio Paolillo

This study introduces the Misclassification Likelihood Matrix (MLM) as a novel tool for quantifying the reliability of neural network predictions under distribution shifts. The MLM is obtained by leveraging softmax outputs and clustering…

We consider the problem of estimating expectations with respect to a target distribution with an unknown normalizing constant, and where even the unnormalized target needs to be approximated at finite resolution. This setting is ubiquitous…

数值分析 · 数学 2023-03-23 Kody J. H. Law , Neil Walton , Shangda Yang , Ajay Jasra

Inference and Estimation in Missing Information (MI) scenarios are important topics in Statistical Learning Theory and Machine Learning (ML). In ML literature, attempts have been made to enhance prediction through precise feature selection…

机器学习 · 统计学 2017-07-26 Ahmadreza Moradipari , Sina Shahsavari , Ashkan Esmaeili , Farokh Marvasti

Identification of charged particles in a multilayer detector by the energy loss technique may also be achieved by the use of a neural network. The performance of the network becomes worse when a large fraction of information is missing, for…

统计方法学 · 统计学 2020-04-14 S. Riggi , D. Riggi , F. Riggi

Multiple Instance Learning (MIL) has been widely applied in pathology towards solving critical problems such as automating cancer diagnosis and grading, predicting patient prognosis, and therapy response. Deploying these models in a…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Syed Ashar Javed , Dinkar Juyal , Harshith Padigela , Amaro Taylor-Weiner , Limin Yu , Aaditya Prakash

Weighted model counting (WMC) is a well-known inference task on knowledge bases, used for probabilistic inference in graphical models. We introduce algebraic model counting (AMC), a generalization of WMC to a semiring structure. We show…

计算机科学中的逻辑 · 计算机科学 2012-11-20 Angelika Kimmig , Guy Van den Broeck , Luc De Raedt

Dealing with missing values and incomplete time series is a labor-intensive, tedious, inevitable task when handling data coming from real-world applications. Effective spatio-temporal representations would allow imputation methods to…

机器学习 · 计算机科学 2022-02-11 Andrea Cini , Ivan Marisca , Cesare Alippi

The Canadian Hydrogen Intensity Mapping Experiment (CHIME) is a drift-scan interferometer designed to map the entire northern sky every 24 hours. The all-sky coverage and sensitivity to neutral hydrogen flux at intermediate redshifts makes…

星系天体物理 · 物理学 2024-08-28 Ava Polzin , Laura Newburgh , Priyamvada Natarajan , Hsiao-Wen Chen

Automatic modulation classification (AMC) is a key technique for designing non-cooperative communication systems, and deep learning (DL) is applied effectively to AMC for improving classification accuracy. However, most of the DL-based AMC…

信号处理 · 电气工程与系统科学 2023-04-25 Lantu Guo , Yu Wang , Yun Lin , Haitao Zhao , Guan Gui