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Cross-domain recommendation (CDR), aiming to extract and transfer knowledge across domains, has attracted wide attention for its efficacy in addressing data sparsity and cold-start problems. Despite significant advances in representation…

Information Retrieval · Computer Science 2024-04-02 Luankang Zhang , Hao Wang , Suojuan Zhang , Mingjia Yin , Yongqiang Han , Jiaqing Zhang , Defu Lian , Enhong Chen

Stable pre-training is essential for achieving better-performing language models. However, tracking pre-training stability by calculating gradient variance at every step is impractical due to the significant computational costs. We explore…

Computation and Language · Computer Science 2024-09-13 Woojin Chung , Jiwoo Hong , Na Min An , James Thorne , Se-Young Yun

The Knowledge Tracing (KT) task plays a crucial role in personalized learning, and its purpose is to predict student responses based on their historical practice behavior sequence. However, the KT task suffers from data sparsity, which…

Machine Learning · Computer Science 2023-09-06 Moyu Zhang , Xinning Zhu , Chunhong Zhang , Feng Pan , Wenchen Qian , Hui Zhao

Initializing with pre-trained models when learning on downstream tasks is becoming standard practice in machine learning. Several recent works explore the benefits of pre-trained initialization in a federated learning (FL) setting, where…

Machine Learning · Computer Science 2025-02-13 Divyansh Jhunjhunwala , Pranay Sharma , Zheng Xu , Gauri Joshi

Sequential recommenders have made great strides in capturing a user's preferences. Nevertheless, the cold-start recommendation remains a fundamental challenge as they typically involve limited user-item interactions for personalization.…

Information Retrieval · Computer Science 2023-08-22 Minchang Kim , Yongjin Yang , Jung Hyun Ryu , Taesup Kim

Model Predictive Control lacks the ability to escape local minima in nonconvex problems. Furthermore, in fast-changing, uncertain environments, the conventional warmstart, using the optimal trajectory from the last timestep, often falls…

Systems and Control · Electrical Eng. & Systems 2023-10-05 Mohamed-Khalil Bouzidi , Yue Yao , Daniel Goehring , Joerg Reichardt

Communication overhead is a known bottleneck in federated learning (FL). To address this, lossy compression is commonly used on the information communicated between the server and clients during training. In horizontal FL, where each client…

Machine Learning · Computer Science 2025-02-25 Pedro Valdeira , João Xavier , Cláudia Soares , Yuejie Chi

Among the machine learning applications to business, recommender systems would take one of the top places when it comes to success and adoption. They help the user in accelerating the process of search while helping businesses maximize…

Information Retrieval · Computer Science 2019-07-23 Kiran Rama , Pradeep Kumar , Bharat Bhasker

Transfer learning plays a key role in advancing machine learning models, yet conventional supervised pretraining often undermines feature transferability by prioritizing features that minimize the pretraining loss. In this work, we adapt a…

Machine Learning · Computer Science 2024-02-26 Jiachen Zhu , Katrina Evtimova , Yubei Chen , Ravid Shwartz-Ziv , Yann LeCun

Federated Learning (FL) is an emerging paradigm that allows a model to be trained across a number of participants without sharing data. Recent works have begun to consider the effects of using pre-trained models as an initialization point…

Machine Learning · Computer Science 2023-11-07 Gwen Legate , Nicolas Bernier , Lucas Caccia , Edouard Oyallon , Eugene Belilovsky

Vision-language models (VLMs) can learn high-quality representations from a large-scale training dataset of image-text pairs. Prompt learning is a popular approach to fine-tuning VLM to adapt them to downstream tasks. Despite the satisfying…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Zhifang Zhang , Yuwei Niu , Xin Liu , Beibei Li

Vertical federated learning is a collaborative machine learning framework to train deep leaning models on vertically partitioned data with privacy-preservation. It attracts much attention both from academia and industry. Unfortunately,…

Machine Learning · Computer Science 2021-06-21 Wensheng Xia , Ying Li , Lan Zhang , Zhonghai Wu , Xiaoyong Yuan

This paper focusses on the optimal implementation of a Mean Variance Estimation network (MVE network) (Nix and Weigend, 1994). This type of network is often used as a building block for uncertainty estimation methods in a regression…

Machine Learning · Statistics 2023-08-04 Laurens Sluijterman , Eric Cator , Tom Heskes

Residual reinforcement learning (RL) enables stable online refinement of expressive pretrained policies by freezing the base and learning only bounded corrections. However, value learning in residual RL poses unique challenges that remain…

Machine Learning · Computer Science 2026-02-12 Guozheng Ma , Lu Li , Haoyu Wang , Zixuan Liu , Pierre-Luc Bacon , Dacheng Tao

Recommender systems often struggle with data sparsity and cold-start scenarios, limiting their ability to provide accurate suggestions for new or infrequent users. This paper presents a Graph Attention Network (GAT) based Collaborative…

Information Retrieval · Computer Science 2025-10-31 Danial Ebrat , Sepideh Ahmadian , Luis Rueda

In the traditional vehicular network, computing tasks generated by the vehicles are usually uploaded to the cloud for processing. However, since task offloading toward the cloud will cause a large delay, vehicular edge computing (VEC) is…

Machine Learning · Computer Science 2023-04-07 Qiong Wu , Siyuan Wang , Pingyi Fan , Qiang Fan

Exemplar-Free Class Incremental Learning (EFCIL) aims to learn from a sequence of tasks without having access to previous task data. In this paper, we consider the challenging Cold Start scenario in which insufficient data is available in…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Simone Magistri , Tomaso Trinci , Albin Soutif-Cormerais , Joost van de Weijer , Andrew D. Bagdanov

Traditional vertical federated learning schema suffers from two main issues: 1) restricted applicable scope to overlapped samples and 2) high system challenge of real-time federated serving, which limits its application to advertising…

Machine Learning · Computer Science 2026-01-26 Wenjie Li , Shu-Tao Xia , Jiangke Fan , Teng Zhang , Xingxing Wang

Federated learning (FL) has obtained tremendous progress in providing collaborative training solutions for distributed data silos with privacy guarantees. However, few existing works explore a more realistic scenario where the clients hold…

Machine Learning · Computer Science 2024-06-18 Liwei Che , Jiaqi Wang , Xinyue Liu , Fenglong Ma

In this work, we present a general framework for continual learning of sequentially arrived tasks with the use of pre-training, which has emerged as a promising direction for artificial intelligence systems to accommodate real-world…

Machine Learning · Computer Science 2024-07-10 Liyuan Wang , Jingyi Xie , Xingxing Zhang , Hang Su , Jun Zhu
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