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Many multimodal recommender systems have been proposed to exploit the rich side information associated with users or items (e.g., user reviews and item images) for learning better user and item representations to improve the recommendation…

信息检索 · 计算机科学 2022-10-26 Fan Liu , Huilin Chen , Zhiyong Cheng , Anan Liu , Liqiang Nie , Mohan Kankanhalli

Evaluations of Deep Reinforcement Learning (DRL) methods are an integral part of scientific progress of the field. Beyond designing DRL methods for general intelligence, designing task-specific methods is becoming increasingly prominent for…

机器学习 · 计算机科学 2022-10-18 Vindula Jayawardana , Catherine Tang , Sirui Li , Dajiang Suo , Cathy Wu

Emerging data-driven approaches, such as deep reinforcement learning (DRL), aim at on-the-field learning of powertrain control policies that optimize fuel economy and other performance metrics. Indeed, they have shown great potential in…

系统与控制 · 电气工程与系统科学 2024-04-30 Lindsey Kerbel , Beshah Ayalew , Andrej Ivanco

Multi-scenario learning (MSL) enables a service provider to cater for users' fine-grained demands by separating services for different user sectors, e.g., by user's geographical region. Under each scenario there is a need to optimize…

机器学习 · 计算机科学 2022-06-07 Xinyu Zou , Zhi Hu , Yiming Zhao , Xuchu Ding , Zhongyi Liu , Chenliang Li , Aixin Sun

Graph path search is a classic computer science problem that has been recently approached with Reinforcement Learning (RL) due to its potential to outperform prior methods. Existing RL techniques typically assume a global view of the…

机器学习 · 计算机科学 2024-11-27 Alexei Pisacane , Victor-Alexandru Darvariu , Mirco Musolesi

Existing methods often adjust representations adaptively only after aggregating user behavior sequences. This coarse-grained approach to re-weighting the entire user sequence hampers the model's ability to accurately model the user interest…

信息检索 · 计算机科学 2024-05-01 Moyu Zhang , Yongxiang Tang , Jinxin Hu , Yu Zhang

Modern edge data centers simultaneously handle multiple Deep Neural Networks (DNNs), leading to significant challenges in workload management. Thus, current management systems must leverage the architectural heterogeneity of new embedded…

机器学习 · 计算机科学 2024-11-28 Andreas Karatzas , Dimitrios Stamoulis , Iraklis Anagnostopoulos

Link prediction is widely used in a variety of industrial applications, such as merchant recommendation, fraudulent transaction detection, and so on. However, it's a great challenge to train and deploy a link prediction model on…

社会与信息网络 · 计算机科学 2020-03-11 Dalong Zhang , Xianzheng Song , Ziqi Liu , Zhiqiang Zhang , Xin Huang , Lin Wang , Jun Zhou

DBSCAN is widely used in many scientific and engineering fields because of its simplicity and practicality. However, due to its high sensitivity parameters, the accuracy of the clustering result depends heavily on practical experience. In…

机器学习 · 计算机科学 2022-08-10 Ruitong Zhang , Hao Peng , Yingtong Dou , Jia Wu , Qingyun Sun , Jingyi Zhang , Philip S. Yu

Machine learning techniques have outperformed numerous rule-based methods for decision-making in autonomous vehicles. Despite recent efforts, lane changing remains a major challenge, due to the complex driving scenarios and changeable…

机器人学 · 计算机科学 2024-02-20 Kunpeng Xu , Lifei Chen , Shengrui Wang

The optimal dispatch of energy storage systems (ESSs) presents formidable challenges due to the uncertainty introduced by fluctuations in dynamic prices, demand consumption, and renewable-based energy generation. By exploiting the…

系统与控制 · 电气工程与系统科学 2023-07-27 Shengren Hou , Edgar Mauricio Salazar Duque , Peter Palensky , Pedro P. Vergara

Land cover maps generated from semantic segmentation of high-resolution remotely sensed images have drawn mucon in the photogrammetry and remote sensing research community. Currently, massive fine-resolution remotely sensed (FRRS) images…

计算机视觉与模式识别 · 计算机科学 2025-06-30 Naftaly Wambugu , Ruisheng Wang , Bo Guo , Tianshu Yu , Sheng Xu , Mohammed Elhassan

As opposed to manual feature engineering which is tedious and difficult to scale, network representation learning has attracted a surge of research interests as it automates the process of feature learning on graphs. The learned…

社会与信息网络 · 计算机科学 2018-08-28 Jundong Li , Liang Wu , Huan Liu

Understanding and quantifying node importance is a fundamental problem in network science and engineering, underpinning a wide range of applications such as influence maximization, social recommendation, and network dismantling. Prior…

社会与信息网络 · 计算机科学 2026-02-17 Jiahui Gao , Kuang Zhou , Yuchen Zhu , Keyu Wu

Nonnegative Matrix Factorization (NMF) aims to factorize a matrix into two optimized nonnegative matrices and has been widely used for unsupervised learning tasks such as product recommendation based on a rating matrix. However, although…

社会与信息网络 · 计算机科学 2015-04-03 Junyu Xuan , Jie Lu , Xiangfeng Luo , Guangquan Zhang

In this paper, we investigate the unsupervised deep representation learning issue and technically propose a novel framework called Deep Self-representative Concept Factorization Network (DSCF-Net), for clustering deep features. To improve…

机器学习 · 计算机科学 2020-01-01 Yan Zhang , Zhao Zhang , Zheng Zhang , Mingbo Zhao , Li Zhang , Zhengjun Zha , Meng Wang

Constrained low-rank matrix approximations have been known for decades as powerful linear dimensionality reduction techniques to be able to extract the information contained in large data sets in a relevant way. However, such low-rank…

机器学习 · 计算机科学 2021-12-20 Pierre De Handschutter , Nicolas Gillis , Xavier Siebert

The proliferation of Large Language Models (LLMs) has created a diverse ecosystem of models with highly varying performance and costs, necessitating effective query routing to balance performance and expense. Current routing systems often…

计算与语言 · 计算机科学 2026-03-03 Hang Zheng , Hongshen Xu , Yongkai Lin , Shuai Fan , Lu Chen , Kai Yu

Deep reinforcement learning (DRL) demonstrates its potential in learning a model-free navigation policy for robot visual navigation. However, the data-demanding algorithm relies on a large number of navigation trajectories in training.…

机器人学 · 计算机科学 2018-02-27 Kaichun Mo , Haoxiang Li , Zhe Lin , Joon-Young Lee

Deep reinforcement learning has proven remarkably useful in training agents from unstructured data. However, the opacity of the produced agents makes it difficult to ensure that they adhere to various requirements posed by human engineers.…

机器学习 · 计算机科学 2022-02-10 Raz Yerushalmi , Guy Amir , Achiya Elyasaf , David Harel , Guy Katz , Assaf Marron