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Community Question Answering (CQA) websites have become valuable knowledge repositories where individuals exchange information by asking and answering questions. With an ever-increasing number of questions and high migration of users in and…

信息检索 · 计算机科学 2022-08-05 Vaibhav Krishna , Nino Antulov-Fantulin

Quantile regression (QR) is a principal regression method for analyzing the impact of covariates on outcomes. The impact is described by the conditional quantile function and its functionals. In this paper we develop the nonparametric…

统计方法学 · 统计学 2018-08-13 Alexandre Belloni , Victor Chernozhukov , Denis Chetverikov , Iván Fernández-Val

HTTP based adaptive video streaming has become a popular choice of streaming due to the reliable transmission and the flexibility offered to adapt to varying network conditions. However, due to rate adaptation in adaptive streaming, the…

Localization Quality Estimation (LQE) helps to improve detection performance as it benefits post processing through jointly considering classification score and localization accuracy. In this perspective, for further leveraging the close…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Pengfei Liu , Weibo Wang , Yuhan Guo , Jiubin Tan

When using the propensity score method to estimate the treatment effects, it is important to select the covariates to be included in the propensity score model. The inclusion of covariates unrelated to the outcome in the propensity score…

统计方法学 · 统计学 2024-02-29 Takehiro Shoji , Jun Tsuchida , Hiroshi Yadohisa

Given a sequence of sets, where each set has a timestamp and contains an arbitrary number of elements, temporal sets prediction aims to predict the elements in the subsequent set. Previous studies for temporal sets prediction mainly focus…

机器学习 · 计算机科学 2023-08-29 Le Yu , Zihang Liu , Leilei Sun , Bowen Du , Chuanren Liu , Weifeng Lv

Progression of chronic disease is often manifested by repeated occurrences of disease-related events over time. Delineating the heterogeneity in the risk of such recurrent events can provide valuable scientific insight for guiding…

统计方法学 · 统计学 2018-11-16 Huijuan Ma , Limin Peng , Chiung-Yu Huang , Haoda Fu

We present CasualGaze, a novel eye-gaze-based target selection technique to support natural and casual eye-gaze input. Unlike existing solutions that require users to keep the eye-gaze center on the target actively, CasualGaze allows users…

人机交互 · 计算机科学 2024-08-26 Yingtian Shi , Yukang Yan , Zisu Li , Chen Liang , Yuntao Wang , Chun Yu , Yuanchun Shi

Uncertainty quantification is crucial in time series prediction, and quantile regression offers a valuable mechanism for uncertainty quantification which is useful for extreme value forecasting. Although deep learning models have been…

机器学习 · 计算机科学 2024-11-26 Jimmy Cheung , Smruthi Rangarajan , Amelia Maddocks , Xizhe Chen , Rohitash Chandra

Data following an interval structure are increasingly prevalent in many scientific applications. In medicine, clinical events are often monitored between two clinical visits, making the exact time of the event unknown and generating…

统计方法学 · 统计学 2025-04-01 Carlos García Meixide , Michael R. Kosorok , Marcos Matabuena

It is well known that it is impossible to construct useful confidence intervals (CIs) about the mean or median of a response $Y$ conditional on features $X = x$ without making strong assumptions about the joint distribution of $X$ and $Y$.…

统计方法学 · 统计学 2024-01-29 Jayoon Jang , Emmanuel Candès

Sequential recommendation is one of the most important tasks in recommender systems, which aims to recommend the next interacted item with historical behaviors as input. Traditional sequential recommendation always mainly considers the…

信息检索 · 计算机科学 2023-08-09 Yunzhu Pan , Chen Gao , Jianxin Chang , Yanan Niu , Yang Song , Kun Gai , Depeng Jin , Yong Li

Numerous studies have focused on learning and understanding the dynamics of physical systems from video data, such as spatial intelligence. Artificial intelligence requires quantitative assessments of the uncertainty of the model to ensure…

机器学习 · 计算机科学 2024-12-18 Aoming Liang , Qi Liu , Lei Xu , Fahad Sohrab , Weicheng Cui , Changhui Song , Moncef Gabbouj

The need to estimate a particular quantile of a distribution is an important problem which frequently arises in many computer vision and signal processing applications. For example, our work was motivated by the requirements of many…

计算机视觉与模式识别 · 计算机科学 2015-04-22 Ognjen Arandjelovic , Duc-Son Pham , Svetha Venkatesh

The quantile residual lifetime (QRL) regression is an attractive tool for assessing covariate effects on the distribution of residual life expectancy, which is often of interest in clinical studies. When the study subjects are exposed to…

统计方法学 · 统计学 2025-03-04 Tonghui Yu , Liming Xiang , Jong-Hyeon Jeong

Many applications of machine learning methods involve an iterative protocol in which data are collected, a model is trained, and then outputs of that model are used to choose what data to consider next. For example, one data-driven approach…

Query cost estimation is a classical task for database management. Recently, researchers apply the AI-driven model to implement query cost estimation for achieving high accuracy. However, two defects of feature design lead to poor cost…

数据库 · 计算机科学 2023-10-03 Yu Yan , Hongzhi Wang , Junfang Huang , Dake Zhong , Man Yang , Kaixin Zhang , Tao Yu , Tianqing Wan

We propose Multivariate Quantile Function Forecaster (MQF$^2$), a global probabilistic forecasting method constructed using a multivariate quantile function and investigate its application to multi-horizon forecasting. Prior approaches are…

Networked applications have software components that reside on different computers. Email, for example, has database, processing, and user interface components that can be distributed across a network and shared by users in different…

统计方法学 · 统计学 2007-08-03 John M. Chambers , David A. James , Diane Lambert , Scott Vander Wiel

In the video recommendation, watch time is commonly adopted as an indicator of user interest. However, watch time is not only influenced by the matching of users' interests but also by other factors, such as duration bias and noisy…

信息检索 · 计算机科学 2023-08-17 Haiyuan Zhao , Lei Zhang , Jun Xu , Guohao Cai , Zhenhua Dong , Ji-Rong Wen