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With the advancement of GPS and remote sensing technologies, large amounts of geospatial and spatiotemporal data are being collected from various domains, driving the need for effective and efficient prediction methods. Given spatial data…

机器学习 · 计算机科学 2020-12-25 Zhe Jiang

Recent methods in quantile regression have adopted a classification perspective to handle challenges posed by heteroscedastic, multimodal, or skewed data by quantizing outputs into fixed bins. Although these regression-as-classification…

机器学习 · 计算机科学 2024-11-05 Batuhan Cengiz , Halil Faruk Karagoz , Tufan Kumbasar

Spatial dependent data frequently occur in many fields such as spatial econometrics and epidemiology. To deal with the dependence of variables and estimate quantile-specific effects by covariates, spatial quantile autoregressive models…

统计方法学 · 统计学 2021-11-16 Ping Dong , Jiawei Hou , Yunquan Song

Temporal Point Processes (TPP) play an important role in predicting or forecasting events. Although these problems have been studied extensively, predicting multiple simultaneously occurring events can be challenging. For instance, more…

机器学习 · 计算机科学 2023-10-02 Parag Dutta , Kawin Mayilvaghanan , Pratyaksha Sinha , Ambedkar Dukkipati

Global ambient air pollution, a transboundary challenge, is typically addressed through interventions relying on data from spatially sparse and heterogeneously placed monitoring stations. These stations often encounter temporal data gaps…

机器学习 · 计算机科学 2024-02-19 Liam J Berrisford , Hugo Barbosa , Ronaldo Menezes

Using more test-time computation during language model inference, such as generating more intermediate thoughts or sampling multiple candidate answers, has proven effective in significantly improving model performance. This paper takes an…

机器学习 · 计算机科学 2025-08-20 Xingwu Chen , Miao Lu , Beining Wu , Difan Zou

Computational saliency models for still images have gained significant popularity in recent years. Saliency prediction from videos, on the other hand, has received relatively little interest from the community. Motivated by this, in this…

计算机视觉与模式识别 · 计算机科学 2017-11-16 Cagdas Bak , Aysun Kocak , Erkut Erdem , Aykut Erdem

Mathematical models of cognition are often memoryless and ignore potential fluctuations of their parameters. However, human cognition is inherently dynamic. Thus, we propose to augment mechanistic cognitive models with a temporal dimension…

统计方法学 · 统计学 2023-09-21 Lukas Schumacher , Paul-Christian Bürkner , Andreas Voss , Ullrich Köthe , Stefan T. Radev

Spatially dense self-supervised learning is a rapidly growing problem domain with promising applications for unsupervised segmentation and pretraining for dense downstream tasks. Despite the abundance of temporal data in the form of videos,…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Mohammadreza Salehi , Efstratios Gavves , Cees G. M. Snoek , Yuki M. Asano

The interest in deep learning methods for solving traditional signal processing tasks has been steadily growing in the last years. Time delay estimation (TDE) in adverse scenarios is a challenging problem, where classical approaches based…

音频与语音处理 · 电气工程与系统科学 2020-02-04 Luca Comanducci , Maximo Cobos , Fabio Antonacci , Augusto Sarti

Many real-world applications involve data from multiple modalities and thus exhibit the view heterogeneity. For example, user modeling on social media might leverage both the topology of the underlying social network and the content of the…

机器学习 · 计算机科学 2021-02-16 Lecheng Zheng , Yu Cheng , Hongxia Yang , Nan Cao , Jingrui He

Set prediction is about learning to predict a collection of unordered variables with unknown interrelations. Training such models with set losses imposes the structure of a metric space over sets. We focus on stochastic and underdefined…

机器学习 · 计算机科学 2021-02-23 David W. Zhang , Gertjan J. Burghouts , Cees G. M. Snoek

Predictive queries over spatiotemporal (ST) stream data pose significant data processing and analysis challenges. ST data streams involve a set of time series whose data distributions may vary in space and time, exhibiting multiple distinct…

机器学习 · 统计学 2024-10-03 Anderson Chaves , Eduardo Ogasawara , Patrick Valduriez , Fabio Porto

In spite of the recent surge of interest in quantile regression, joint estimation of linear quantile planes remains a great challenge in statistics and econometrics. We propose a novel parametrization that characterizes any collection of…

统计方法学 · 统计学 2015-07-14 Yun Yang , Surya Tokdar

Aggregated data is commonplace in areas such as epidemiology and demography. For example, census data for a population is usually given as averages defined over time periods or spatial resolutions (cities, regions or countries). In this…

机器学习 · 统计学 2020-02-20 Fariba Yousefi , Michael Thomas Smith , Mauricio A. Álvarez

A key challenge in environmental health research is unmeasured spatial confounding, driven by unobserved spatially structured variables that influence both treatment and outcome. A common approach is to fit a spatial regression that models…

统计方法学 · 统计学 2025-12-23 Sophie M. Woodward , Francesca Dominici , Jose R. Zubizarreta

Quantile regression is a powerful tool for inferring how covariates affect specific percentiles of the response distribution. Existing methods either estimate conditional quantiles separately for each quantile of interest or estimate the…

统计方法学 · 统计学 2024-11-19 Joseph Feldman , Daniel Kowal

Cross-domain time series imputation is an underexplored data-centric research task that presents significant challenges, particularly when the target domain suffers from high missing rates and domain shifts in temporal dynamics. Existing…

机器学习 · 计算机科学 2025-06-17 Kexin Zhang , Baoyu Jing , K. Selçuk Candan , Dawei Zhou , Qingsong Wen , Han Liu , Kaize Ding

Enabling robots to solve multiple manipulation tasks has a wide range of industrial applications. While learning-based approaches enjoy flexibility and generalizability, scaling these approaches to solve such compositional tasks remains a…

We present a deep transformation model for probabilistic regression. Deep learning is known for outstandingly accurate predictions on complex data but in regression tasks, it is predominantly used to just predict a single number. This…

机器学习 · 统计学 2020-04-02 Beate Sick , Torsten Hothorn , Oliver Dürr