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The irreducible complexity of natural phenomena has led Graph Neural Networks to be employed as a standard model to perform representation learning tasks on graph-structured data. While their capacity to capture local and global patterns is…

Machine Learning · Computer Science 2024-02-13 Lorenzo Giusti

Few-Shot Segmentation (FSS) is challenging for limited support images and large intra-class appearance discrepancies. Most existing approaches focus on extracting high-level representations of the same layers for support-query correlations,…

Computer Vision and Pattern Recognition · Computer Science 2023-05-03 Hao Chen , Yunlong Yu , Yonghan Dong , Zheming Lu , Yingming Li , Zhongfei Zhang

Spatio-temporal representations in frame sequences play an important role in the task of action recognition. Previously, a method of using optical flow as a temporal information in combination with a set of RGB images that contain spatial…

Computer Vision and Pattern Recognition · Computer Science 2018-08-02 Myunggi Lee , Seungeui Lee , Sungjoon Son , Gyutae Park , Nojun Kwak

In recent years, Graph Neural Networks has received enormous attention from academia for its huge potential of modeling the network traits such as macrostructure and single node attributes. However, prior mainstream works mainly focus on…

Social and Information Networks · Computer Science 2022-07-13 Yang Yan , Qiuyan Wang

Information Filtering Networks (IFNs) provide a powerful framework for modeling complex systems through globally sparse yet locally dense and interpretable structures that capture multivariate dependencies. This review offers a…

Machine Learning · Computer Science 2025-05-08 Tomaso Aste

Graph Neural Networks (GNNs) have led to state-of-the-art performance on a variety of machine learning tasks such as recommendation, node classification and link prediction. Graph neural network models generate node embeddings by merging…

Machine Learning · Computer Science 2020-11-04 Yunpeng Weng , Xu Chen , Liang Chen , Wei Liu

Creating an effective representation space is crucial for mitigating the curse of dimensionality, enhancing model generalization, addressing data sparsity, and leveraging classical models more effectively. Recent advancements in automated…

Machine Learning · Computer Science 2024-01-17 Ehtesamul Azim , Dongjie Wang , Kunpeng Liu , Wei Zhang , Yanjie Fu

Precise user and item embedding learning is the key to building a successful recommender system. Traditionally, Collaborative Filtering(CF) provides a way to learn user and item embeddings from the user-item interaction history. However,…

Information Retrieval · Computer Science 2019-04-24 Le Wu , Peijie Sun , Yanjie Fu , Richang Hong , Xiting Wang , Meng Wang

Ad hoc architectures have emerged as a valuable alternative to centralized participatory sensing systems due to their infrastructureless nature, which ensures good availability, easy maintenance and direct user communication. As a result,…

Networking and Internet Architecture · Computer Science 2023-12-18 Fátima Castro-Jul , Rebeca Díaz Redondo , Ana Fernández-Vilas

The digitization of different components of industry and inter-connectivity among indigenous networks have increased the risk of network attacks. Designing an intrusion detection system to ensure security of the industrial ecosystem is…

Machine Learning · Computer Science 2023-07-31 Anabia Sohail , Bibi Ayisha , Irfan Hameed , Muhammad Mohsin Zafar , Hani Alquhayz , Asifullah Khan

Micro-expression recognition (MER), a critical subfield of affective computing, presents greater challenges than macro-expression recognition due to its brief duration and low intensity. While incorporating prior knowledge has been shown to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Chuang Ma , Shaokai Zhao , Dongdong Zhou , Yu Pei , Zhiguo Luo , Liang Xie , Ye Yan , Erwei Yin

Cross-domain recommendation systems face the challenge of integrating fine-grained user and item relationships across various product domains. To address this, we introduce RankGraph, a scalable graph learning framework designed to serve as…

Information Retrieval · Computer Science 2025-09-04 Renzhi Wu , Junjie Yang , Li Chen , Hong Li , Li Yu , Hong Yan

RGB-Thermal (RGB-T) crowd counting is a challenging task, which uses thermal images as complementary information to RGB images to deal with the decreased performance of unimodal RGB-based methods in scenes with low-illumination or similar…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Pengyu Chen , Junyu Gao , Yuan Yuan , Qi Wang

Graph collaborative filtering, which learns user and item representations through message propagation over the user-item interaction graph, has been shown to effectively enhance recommendation performance. However, most current graph…

Information Retrieval · Computer Science 2023-11-14 Yijie Zhang , Yuanchen Bei , Shiqi Yang , Hao Chen , Zhiqing Li , Lijia Chen , Feiran Huang

Scoring a large number of candidates precisely in several milliseconds is vital for industrial pre-ranking systems. Existing pre-ranking systems primarily adopt the \textbf{two-tower} model since the ``user-item decoupling architecture''…

Information Retrieval · Computer Science 2022-10-19 Xiangyang Li , Bo Chen , HuiFeng Guo , Jingjie Li , Chenxu Zhu , Xiang Long , Sujian Li , Yichao Wang , Wei Guo , Longxia Mao , Jinxing Liu , Zhenhua Dong , Ruiming Tang

Heterogeneous information network (HIN) has been widely used to characterize entities of various types and their complex relations. Recent attempts either rely on explicit path reachability to leverage path-based semantic relatedness or…

Information Retrieval · Computer Science 2021-07-02 Jiarui Jin , Kounianhua Du , Weinan Zhang , Jiarui Qin , Yuchen Fang , Yong Yu , Zheng Zhang , Alexander J. Smola

Graph Convolution Networks (GCNs) have significantly succeeded in learning user and item representations for recommendation systems. The core of their efficacy is the ability to explicitly exploit the collaborative signals from both the…

Information Retrieval · Computer Science 2024-11-11 Fan Liu , Shuai Zhao , Zhiyong Cheng , Liqiang Nie , Mohan Kankanhalli

The performance of sensor arrays in sensing and wireless communications improves with more elements, but this comes at the cost of increased energy consumption and hardware expense. This work addresses the challenge of selecting $k$ sensor…

Machine Learning · Computer Science 2024-07-30 Spilios Evmorfos , Zhaoyi Xu , Athina Petropulu

Large language models have become a powerful method for feature augmentation in recommendation systems. However, existing approaches relying on quick inference often suffer from incomplete feature coverage and insufficient specificity in…

Information Retrieval · Computer Science 2025-02-25 Weihao Liu , Zhaocheng Du , Haiyuan Zhao , Wenbo Zhang , Xiaoyan Zhao , Gang Wang , Zhenhua Dong , Jun Xu

Federated recommendation provides a privacy-preserving solution for training recommender systems without centralizing user interactions. However, existing methods follow an ID-indexed communication paradigm that transmit whole item…

Information Retrieval · Computer Science 2026-01-27 Mingzhe Han , Jiahao Liu , Dongsheng Li , Hansu Gu , Peng Zhang , Ning Gu , Tun Lu
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