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Dynamic graphs with ordered sequences of events between nodes are prevalent in real-world industrial applications such as e-commerce and social platforms. However, representation learning for dynamic graphs has posed great computational…

机器学习 · 计算机科学 2021-12-16 Xinshi Chen , Yan Zhu , Haowen Xu , Mengyang Liu , Liang Xiong , Muhan Zhang , Le Song

Achieving backward compatibility when rolling out new models can highly reduce costs or even bypass feature re-encoding of existing gallery images for in-production visual retrieval systems. Previous related works usually leverage losses…

计算机视觉与模式识别 · 计算机科学 2021-08-05 Qiang Meng , Chixiang Zhang , Xiaoqiang Xu , Feng Zhou

Transformer-based architectures are widely adopted in sequential recommendation systems, yet their application in Financial Services (FS) presents distinct practical and modeling challenges for real-time recommendation. These include:a)…

机器学习 · 计算机科学 2025-11-20 Dwipam Katariya , Snehita Varma , Akshat Shreemali , Benjamin Wu , Kalanand Mishra , Pranab Mohanty

Motivated by the high resource costs and privacy concerns associated with centralized machine learning, federated learning (FL) has emerged as an efficient alternative that enables clients to collaboratively train a global model while…

机器学习 · 计算机科学 2025-09-10 Yiyue Chen , Usman Akram , Chianing Wang , Haris Vikalo

An increasing number and diversity of services are available, which result in significant challenges to effective reuse service during requirement satisfaction. There have been many service bundle recommendation studies and achieved…

人工智能 · 计算机科学 2021-08-10 Mingyi Liu , Zhiying Tu , Xiaofei Xu , Zhongjie Wang

Industrial financial systems operate on temporal event sequences such as transactions, user actions, and system logs. While recent research emphasizes representation learning and large language models, production systems continue to rely…

Federated Learning(FL) is a privacy-preserving machine learning paradigm where a global model is trained in-situ across a large number of distributed edge devices. These systems are often comprised of millions of user devices and only a…

分布式、并行与集群计算 · 计算机科学 2024-06-05 Yuanli Wang , Lei Huang

Learning sentence embeddings from dialogues has drawn increasing attention due to its low annotation cost and high domain adaptability. Conventional approaches employ the siamese-network for this task, which obtains the sentence embeddings…

计算与语言 · 计算机科学 2021-09-28 Che Liu , Rui Wang , Jinghua Liu , Jian Sun , Fei Huang , Luo Si

The burgeoning e-Commerce sector requires advanced solutions for the detection of transaction fraud. With an increasing risk of financial information theft and account takeovers, deep learning methods have become integral to the embedding…

机器学习 · 计算机科学 2025-05-19 Bo Qu , Zhurong Wang , Minghao Gu , Daisuke Yagi , Yang Zhao , Yinan Shan , Frank Zahradnik

This paper proposes a client selection (CS) method to tackle the communication bottleneck of federated learning (FL) while concurrently coping with FL's data heterogeneity issue. Specifically, we first analyze the effect of CS in FL and…

机器学习 · 计算机科学 2023-03-31 Yuxuan Zhang , Chao Xu , Howard H. Yang , Xijun Wang , Tony Q. S. Quek

Online shopping caters to the needs of millions of users daily. Search, recommendations, personalization have become essential building blocks for serving customer needs. Efficacy of such systems is dependent on a thorough understanding of…

机器学习 · 计算机科学 2019-07-01 Loveperteek Singh , Shreya Singh , Sagar Arora , Sumit Borar

Federated learning is a distributed learning paradigm in which multiple mobile clients train a global model while keeping data local. These mobile clients can have various available memory and network bandwidth. However, to achieve the best…

分布式、并行与集群计算 · 计算机科学 2024-09-16 Dixi Yao

Diverse and enriched data sources are essential for commercial ads-recommendation models to accurately assess user interest both before and after engagement with content. While extended user-engagement histories can improve the prediction…

信息检索 · 计算机科学 2026-01-07 Sohini Roychowdhury , Doris Wang , Qian Ge , Joy Mu , Srihari Reddy

Federated Learning (FL) has been considered as an appealing framework to tackle data privacy issues of mobile devices compared to conventional Machine Learning (ML). Using Edge Servers (ESs) as intermediaries to perform model aggregation in…

机器学习 · 计算机科学 2021-12-06 Zhe Qu , Rui Duan , Lixing Chen , Jie Xu , Zhuo Lu , Yao Liu

Driven by the vision of edge computing and the success of rich cognitive services based on artificial intelligence, a new computing paradigm, edge cognitive computing (ECC), is a promising approach that applies cognitive computing at the…

网络与互联网体系结构 · 计算机科学 2018-08-23 Min Chen , Wei Li , Giancarlo Fortino , Yixue Hao , Long Hu , Iztok Humar

Federated Learning (FL) has become a viable technique for realizing privacy-enhancing distributed deep learning on the network edge. Heterogeneous hardware, unreliable client devices, and energy constraints often characterize edge computing…

机器学习 · 计算机科学 2024-11-05 Herbert Woisetschläger , Alexander Erben , Ruben Mayer , Shiqiang Wang , Hans-Arno Jacobsen

It is of high interest for a company to identify customers expected to bring the largest profit in the upcoming period. Knowing as much as possible about each customer is crucial for such predictions. However, their demographic data,…

机器学习 · 计算机科学 2018-03-30 Jelena Stojanovic , Djordje Gligorijevic , Zoran Obradovic

Clustering is an unsupervised data mining technique that can be employed to segment customers. The efficient clustering of customers enables banks to design and make offers based on the features of the target customers. The present study…

机器学习 · 计算机科学 2021-10-25 Ehsan Barkhordar , Mohammad Hassan Shirali-Shahreza , Hamid Reza Sadeghi

Federated continual learning (FCL) has garnered increasing attention for its ability to support distributed computation in environments with evolving data distributions. However, the emergence of new tasks introduces both temporal and…

机器学习 · 计算机科学 2025-09-30 Danni Yang , Zhikang Chen , Sen Cui , Mengyue Yang , Ding Li , Abudukelimu Wuerkaixi , Haoxuan Li , Jinke Ren , Mingming Gong

We tackle the challenge of feature embedding for the purposes of improving the click-through rate prediction process. We select three models: logistic regression, factorization machines and deep factorization machines, as our baselines and…

机器学习 · 计算机科学 2022-09-21 Samo Pahor , Davorin Kopič , Jure Demšar