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Recommender Systems have become an integral part of online e-Commerce platforms, driving customer engagement and revenue. Most popular recommender systems attempt to learn from users' past engagement data to understand behavioral traits of…

机器学习 · 计算机科学 2020-12-04 Venugopal Mani , Ramasubramanian Balasubramanian , Sushant Kumar , Abhinav Mathur , Kannan Achan

We propose vine copula-based classifiers for probabilistic risk prediction in perioperative settings. We obtain full joint probability models for mixed continuous-ordinal variables by fitting a separate vine copula to each outcome class,…

统计方法学 · 统计学 2025-09-24 Özge Şahin

Virtual reality (VR) has emerged as a powerful tool for evaluating school security measures in high-risk scenarios such as school shootings, offering experimental control and high behavioral fidelity. However, assessing new interventions in…

人工智能 · 计算机科学 2026-03-20 Christopher A. McClurg , Alan R. Wagner

Modern computer vision applications rely on learning-based perception modules parameterized with neural networks for tasks like object detection. These modules frequently have low expected error overall but high error on atypical groups of…

计算机视觉与模式识别 · 计算机科学 2022-04-22 Cinjon Resnick , Or Litany , Amlan Kar , Karsten Kreis , James Lucas , Kyunghyun Cho , Sanja Fidler

Accuracy and interpretability are two essential properties for a crime prediction model. Because of the adverse effects that the crimes can have on human life, economy and safety, we need a model that can predict future occurrence of crime…

机器学习 · 计算机科学 2021-11-23 Yeasir Rayhan , Tanzima Hashem

We propose a new optimization framework for aleatoric uncertainty estimation in regression problems. Existing methods can quantify the error in the target estimation, but they tend to underestimate it. To obtain the predictive uncertainty…

计算机视觉与模式识别 · 计算机科学 2021-03-12 Takumi Kawashima , Qing Yu , Akari Asai , Daiki Ikami , Kiyoharu Aizawa

When data are right-censored, i.e. some outcomes are missing due to a limited period of observation, survival analysis can compute the "time to event". Multiple classes of outcomes lead to a classification variant: predicting the most…

人工智能 · 计算机科学 2024-06-21 Julie Alberge , Vincent Maladière , Olivier Grisel , Judith Abécassis , Gaël Varoquaux

Incarceration-diversion treatment programs aim to improve societal reintegration and reduce recidivism, but limited capacity forces policymakers to make prioritization decisions that often rely on risk assessment tools. While predictive,…

计算机与社会 · 计算机科学 2026-01-21 Chuwen Zhang , Pengyi Shi , Amy Ward

We propose a robust variable selection procedure using a divergence based M-estimator combined with a penalty function. It produces robust estimates of the regression parameters and simultaneously selects the important explanatory…

统计方法学 · 统计学 2020-01-01 Abhijit Mandal , Samiran Ghosh

Machine learning applications for longitudinal electronic health records often forecast the risk of events at fixed time points, whereas survival analysis achieves dynamic risk prediction by estimating time-to-event distributions. Here, we…

机器学习 · 计算机科学 2024-11-26 Munib Mesinovic , Peter Watkinson , Tingting Zhu

Public attitudes toward artificial intelligence (AI) and driving safety are typically studied in isolation using variable-centered methods that assume population homogeneity, yet risk perception theory predicts that these evaluations covary…

计算机与社会 · 计算机科学 2026-04-07 Amir Rafe , Anika Baitullah , Subasish Das

Predicting driver intentions is a difficult and crucial task for advanced driver assistance systems. Traditional confidence measures on predictions often ignore the way predicted trajectories affect downstream decisions for safe driving. In…

Online social networks are used to diffuse opinions and ideas among users, enabling a faster communication and a wider audience. The way in which opinions are conditioned by social interactions is usually called social influence. Social…

社会与信息网络 · 计算机科学 2019-07-03 Federico Corò , Emilio Cruciani , Gianlorenzo D'Angelo , Stefano Ponziani

Decisions such as which movie to watch next, which song to listen to, or which product to buy online, are increasingly influenced by recommender systems and user models that incorporate information on users' past behaviours, preferences,…

人工智能 · 计算机科学 2023-01-13 Inga Strümke , Marija Slavkovik , Clemens Stachl

Machine learning and data mining techniques are utiized for enhancement of the security of any network. Researchers used machine learning for pattern detection, anomaly detection, dynamic policy setting, etc. The methods allow the program…

密码学与安全 · 计算机科学 2024-08-31 Aviral Srivastava , Dhyan Thakkar , Sharda Valiveti , Pooja Shah , Gaurang Raval

Variational inference (VI) is a specific type of approximate Bayesian inference that approximates an intractable posterior distribution with a tractable one. VI casts the inference problem as an optimization problem, more specifically, the…

机器学习 · 计算机科学 2022-12-20 Felix Leibfried

Applying probabilistic models to reinforcement learning (RL) enables the application of powerful optimisation tools such as variational inference to RL. However, existing inference frameworks and their algorithms pose significant challenges…

机器学习 · 计算机科学 2020-07-17 Matthew Fellows , Anuj Mahajan , Tim G. J. Rudner , Shimon Whiteson

This paper aims to address few-shot segmentation. While existing prototype-based methods have achieved considerable success, they suffer from uncertainty and ambiguity caused by limited labeled examples. In this work, we propose attentional…

计算机视觉与模式识别 · 计算机科学 2023-05-31 Haoliang Sun , Xiankai Lu , Haochen Wang , Yilong Yin , Xiantong Zhen , Cees G. M. Snoek , Ling Shao

We study the problem of {\em impartial selection}, a topic that lies at the intersection of computational social choice and mechanism design. The goal is to select the most popular individual among a set of community members. The input can…

计算机科学与博弈论 · 计算机科学 2021-02-19 Ioannis Caragiannis , George Christodoulou , Nicos Protopapas

The mixture cure rate model is the most commonly used cure rate model in the literature. In the context of mixture cure rate model, the standard approach to model the effect of covariates on the cured or uncured probability is to use a…

统计方法学 · 统计学 2022-08-23 Suvra Pal , Yingwei Peng , Sandip Barui , Pei Wang