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Recently, matrix factorization-based recommendation methods have been criticized for the problem raised by the triangle inequality violation. Although several metric learning-based approaches have been proposed to overcome this issue,…

信息检索 · 计算机科学 2019-06-06 Chanyoung Park , Donghyun Kim , Xing Xie , Hwanjo Yu

Recommender systems are extensively utilised across various areas to predict user preferences for personalised experiences and enhanced user engagement and satisfaction. Traditional recommender systems, however, are complicated by…

信息检索 · 计算机科学 2024-10-17 Jianfeng Deng , Qingfeng Chen , Debo Cheng , Jiuyong Li , Lin Liu , Xiaojing Du

Many real incidents demonstrate that users of Online Social Networks need mechanisms that help them manage their interactions by increasing the awareness of the different contexts that coexist in Online Social Networks and preventing them…

社会与信息网络 · 计算机科学 2016-06-14 Natalia Criado , Jose M. Such

Modeling user's historical feedback is essential for Click-Through Rate Prediction in personalized search and recommendation. Existing methods usually only model users' positive feedback information such as click sequences which neglects…

信息检索 · 计算机科学 2022-03-30 Zhifang Fan , Dan Ou , Yulong Gu , Bairan Fu , Xiang Li , Wentian Bao , Xin-Yu Dai , Xiaoyi Zeng , Tao Zhuang , Qingwen Liu

The study of online decision-making problems that leverage contextual information has drawn notable attention due to their significant applications in fields ranging from healthcare to autonomous systems. In modern applications, contextual…

机器学习 · 统计学 2025-04-22 Qiyu Han , Will Wei Sun , Yichen Zhang

In spite of the tremendous development of recommender system owing to the progressive capability of machine learning recently, the current recommender system is still vulnerable to the distribution shift of users and items in realistic…

机器学习 · 计算机科学 2022-02-10 Yue He , Zimu Wang , Peng Cui , Hao Zou , Yafeng Zhang , Qiang Cui , Yong Jiang

Implicit feedback is the simplest form of user feedback that can be used for item recommendation. It is easy to collect and is domain independent. However, there is a lack of negative examples. Previous work tackles this problem by assuming…

信息检索 · 计算机科学 2019-04-19 Farhan Khawar , Nevin L. Zhang

Recommendation systems have become popular and effective tools to help users discover their interesting items by modeling the user preference and item property based on implicit interactions (e.g., purchasing and clicking). Humans perceive…

信息检索 · 计算机科学 2023-02-10 Hongyu Zhou , Xin Zhou , Zhiwei Zeng , Lingzi Zhang , Zhiqi Shen

Online learning is an important technical means for sketching massive real-time and high-speed data. Although this direction has attracted intensive attention, most of the literature in this area ignore the following three issues: (1) they…

机器学习 · 计算机科学 2022-01-20 Si-si Zhang , Jian-wei Liu , Xin Zuo , Run-kun Lu , Si-ming Lian

Trip recommendation is an important location-based service that helps relieve users from the time and efforts for trip planning. It aims to recommend a sequence of places of interest (POIs) for a user to visit that maximizes the user's…

信息检索 · 计算机科学 2018-08-27 Jiayuan He , Jianzhong Qi , Kotagiri Ramamohanarao

In real-world recommender systems, such as in the music domain, repeat consumption is a common phenomenon where users frequently listen to a small set of preferred songs or artists repeatedly. The key point of modeling repeat consumption is…

信息检索 · 计算机科学 2024-05-28 Sunhao Dai , Changle Qu , Sirui Chen , Xiao Zhang , Jun Xu

In product search, users tend to browse results on multiple search result pages (SERPs) (e.g., for queries on clothing and shoes) before deciding which item to purchase. Users' clicks can be considered as implicit feedback which indicates…

信息检索 · 计算机科学 2020-01-10 Keping Bi , Choon Hui Teo , Yesh Dattatreya , Vijai Mohan , W. Bruce Croft

The Massive Open Online Course (MOOC) has expanded significantly in recent years. With the widespread of MOOC, the opportunity to study the fascinating courses for free has attracted numerous people of diverse educational backgrounds all…

机器学习 · 计算机科学 2016-10-18 Yifan Hou , Pan Zhou , Ting Wang , Li Yu , Yuchong Hu , Dapeng Wu

In real-world applications, users always interact with items in multiple aspects, such as through implicit binary feedback (e.g., clicks, dislikes, long views) and explicit feedback (e.g., comments, reviews). Modern recommendation systems…

信息检索 · 计算机科学 2025-08-26 Shuo Yang , Jiangxia Cao , Haipeng Li , Yuqi Mao , Shuchao Pang

Traditional recommender systems aim to estimate a user's rating to an item based on observed ratings from the population. As with all observational studies, hidden confounders, which are factors that affect both item exposures and user…

机器学习 · 计算机科学 2022-11-22 Yaochen Zhu , Jing Yi , Jiayi Xie , Zhenzhong Chen

Human affordance learning investigates contextually relevant novel pose prediction such that the estimated pose represents a valid human action within the scene. While the task is fundamental to machine perception and automated interactive…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Prasun Roy , Saumik Bhattacharya , Subhankar Ghosh , Umapada Pal , Michael Blumenstein

Sequential recommendation aims to estimate how a user's interests evolve over time via uncovering valuable patterns from user behavior history. Many previous sequential models have solely relied on users' historical information to model the…

信息检索 · 计算机科学 2024-08-15 Lei Zheng , Ning Li , Yanhuan Huang , Ruiwen Xu , Weinan Zhang , Yong Yu

User implicit feedback plays an important role in recommender systems. However, finding implicit features is a tedious task. This paper aims to identify users' preferences through implicit behavioural signals for image recommendation based…

信息检索 · 计算机科学 2020-01-23 Amit Kumar Jaiswal , Haiming Liu , Ingo Frommholz

Online streaming services have become the most popular way of listening to music. The majority of these services are endowed with recommendation mechanisms that help users to discover songs and artists that may interest them from the vast…

信息检索 · 计算机科学 2020-08-27 Diego Sánchez-Moreno , Yong Zheng , María N. Moreno-García

Predicting traffic conditions from online route queries is a challenging task as there are many complicated interactions over the roads and crowds involved. In this paper, we intend to improve traffic prediction by appropriate integration…

计算机视觉与模式识别 · 计算机科学 2018-06-20 Binbing Liao , Jingqing Zhang , Chao Wu , Douglas McIlwraith , Tong Chen , Shengwen Yang , Yike Guo , Fei Wu