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To maintain the accuracy of supervised learning models in the presence of evolving data streams, we provide temporally-biased sampling schemes that weight recent data most heavily, with inclusion probabilities for a given data item decaying…

数据库 · 计算机科学 2019-06-14 Brian Hentschel , Peter J. Haas , Yuanyuan Tian

Bayesian estimation strategies represent the most fundamental formulation of the state estimation problem available, and apply readily to nonlinear systems with non-Gaussian uncertainties. The present paper introduces a novel method for…

最优化与控制 · 数学 2013-01-22 T R Bewley , A S Sharma

The paper presents alternative statistical methods for biological dosimetry, such as the Bayesian and Monte Carlo method. The classical Gaussian and robust Bayesian fit algorithms for the linear, linear-quadratic as well as saturated and…

统计方法学 · 统计学 2014-12-08 Krzysztof Wojciech Fornalski

This paper presents an evolutionary algorithm for modeling the arrival dates of document streams, which is any time-stamped collection of documents, such as newscasts, e-mails, IRC conversations, scientific journals archives and weblog…

信息检索 · 计算机科学 2007-05-23 Lourdes Araujo , Juan J. Merelo

Research into object deformations using computer vision techniques has been under intense study in recent years. A widely used technique is 3D non-rigid registration to estimate the transformation between two instances of a deforming…

计算机视觉与模式识别 · 计算机科学 2018-02-06 Marcelo Saval-Calvo , Jorge Azorin-Lopez , Andres Fuster-Guillo , Victor Villena-Martinez , Robert B. Fisher

Cryopreservation is beset with the challenge of protocol alignment across a wide range of cell types and process variables. By taking a cross-sectional assessment of previously published cryopreservation data (sample means and standard…

定量方法 · 定量生物学 2014-04-08 S Sambu

It is essential to find solar predictive methods to massively insert renewable energies on the electrical distribution grid. The goal of this study is to find the best methodology allowing predicting with high accuracy the hourly global…

机器学习 · 计算机科学 2013-09-20 Cyril Voyant , C. Darras , Marc Muselli , Christophe Paoli , Marie Laure Nivet , Philippe Poggi

1. Challenging calibration of complex models can be approached by using prior knowledge on the parameters. However, the natural choice of Bayesian inference can be computationally heavy when relying on Markov Chain Monte Carlo (MCMC)…

应用统计 · 统计学 2023-04-27 Charlotte Baey , Henrik G. Smith , Maj Rundlöf , Ola Olsson , Yann Clough , Ullrika Sahlin

Transiting planets manifest themselves by a periodic dimming of their host star by a fixed amount. On the other hand, light curves of transiting circumbinary (CB) planets are expected to be neither periodic nor to have a single depth while…

天体物理学 · 物理学 2013-08-13 Aviv Ofir

Global atmospheric reanalyses have become a common tool for both the validation of climate models and diagnostic studies, such as assessing climate variability and long-term trends. Presently, the 20th Century Reanalysis (20CR), which…

大气与海洋物理 · 物理学 2015-03-20 Oliver Krueger , Frederik Schenk , Frauke Feser , Ralf Weisse

In recommendation systems (RS), user behavior data is observational rather than experimental, resulting in widespread bias in the data. Consequently, tackling bias has emerged as a major challenge in the field of recommendation systems.…

信息检索 · 计算机科学 2023-08-21 ZiJie Song , JiaWei Chen , Sheng Zhou , QiHao Shi , Yan Feng , Chun Chen , Can Wang

Since model bias and associated initialization shock are serious shortcomings that reduce prediction skills in state-of-the-art decadal climate prediction efforts, we pursue a complementary machine-learning-based approach to climate…

大气与海洋物理 · 物理学 2022-11-09 Xihaier Luo , Balasubramanya T. Nadiga , Yihui Ren , Ji Hwan Park , Wei Xu , Shinjae Yoo

Two basic routes for planetesimal formation have been proposed over the last few decades. One is a classical "slow-growth" scenario. Another one is particle concentration models, in which small pebbles are concentrated locally and then…

地球与行星天体物理 · 物理学 2017-12-19 Alexander V. Krivov , Aljoscha Ide , Torsten Löhne , Anders Johansen , Jürgen Blum

We conduct a systematic search for quasars with periodic variations from the archival photometric data of the Zwicky Transient Facility by cross-matching with the quasar catalogs of the Sloan Digital Sky Survey and V{\'e}ron-Cetty \&…

Simulation models for pedestrian crowds are a ubiquitous tool in research and industry. It is crucial that the parameters of these models are calibrated carefully and ultimately it will be of interest to compare competing models to decide…

多智能体系统 · 计算机科学 2020-05-13 Nikolai Bode

Civil registration vital statistics (CRVS) data are used to produce national estimates of maternal mortality, but are often subject to substantial reporting errors due to misclassification of maternal deaths. The accuracy of CRVS systems…

应用统计 · 统计学 2019-09-19 Emily Peterson , Doris Chou , Ann-Beth Moller , Alison Gemmill , Lale Say , Leontine Alkema

Context: Transit surveys, both ground- and space- based, have already accumulated a large number of light curves that span several years. Aims: The search for transiting planets in these long time series is computationally intensive. We…

地球与行星天体物理 · 物理学 2015-06-16 Aviv Ofir

Assessing the degradation state of an industrial asset first requires evaluating its current condition and then to project the forecast model trajectory to a predefined prognostic threshold, thereby estimating its remaining useful life…

统计方法学 · 统计学 2025-10-06 Edgar Jaber , Emmanuel Remy , Vincent Chabridon , Mathilde Mougeot , Didier Lucor

We present the physical parameters of 2335 late-type contact binary (CB) systems extracted from the Catalina Sky Survey (CSS). Our sample was selected from the CSS Data Release 1 by strictly limiting the prevailing temperature uncertainties…

太阳与恒星天体物理 · 物理学 2020-04-01 Weijia Sun , Xiaodian Chen , Licai Deng , Richard de Grijs

Exposure to diverse non-genetic factors, known as the exposome, is a critical determinant of health outcomes. However, analyzing the exposome presents significant methodological challenges, including: high collinearity among exposures, the…

统计方法学 · 统计学 2025-10-10 Matteo Amestoy , Mark van de Wiel , Jeroen Lakerveld , Wessel van Wieringen