English
Related papers

Related papers: Lorentz Equivariant Model for Knowledge-Enhanced H…

200 papers

The kinematics of many mechanical systems encountered in robotics and other fields, such as single-bearing attitude estimation and SLAM, are naturally posed on homogeneous spaces: That is, their state lies in a smooth manifold equipped with…

Systems and Control · Electrical Eng. & Systems 2021-07-13 Pieter van Goor , Tarek Hamel , Robert Mahony

It is known that invariance and equivariance properties for systems on Lie groups can be exploited in the design of high performance and robust observers and filters for real-world robotic systems. This paper proposes an analysis framework…

Systems and Control · Electrical Eng. & Systems 2020-09-01 Robert Mahony , Jochen Trumpf

The remarkable progress of network embedding has led to state-of-the-art algorithms in recommendation. However, the sparsity of user-item interactions (i.e., explicit preferences) on websites remains a big challenge for predicting users'…

Information Retrieval · Computer Science 2019-07-30 Jun Zhao , Zhou Zhou , Ziyu Guan , Wei Zhao , Wei Ning , Guang Qiu , Xiaofei He

Graph convolutional networks (GCNs) have recently enabled a popular class of algorithms for collaborative filtering (CF). Nevertheless, the theoretical underpinnings of their empirical successes remain elusive. In this paper, we endeavor to…

Information Retrieval · Computer Science 2021-08-18 Yifei Shen , Yongji Wu , Yao Zhang , Caihua Shan , Jun Zhang , Khaled B. Letaief , Dongsheng Li

This paper presents an equivariant filter (EqF) transformation approach for visual--inertial navigation. By establishing analytical links between EqFs with different symmetries, the proposed approach enables systematic consistency design…

Robotics · Computer Science 2026-03-26 Chungeng Tian , Fenghua He , Ning Hao

Federated Learning (FL) has emerged as a promising approach for preserving data privacy in recommendation systems by training models locally. Recently, Graph Neural Networks (GNN) have gained popularity in recommendation tasks due to their…

Cryptography and Security · Computer Science 2024-01-24 Dezhong Yao , Tongtong Liu , Qi Cao , Hai Jin

The latest advance in recommendation shows that better user and item representations can be learned via performing graph convolutions on the user-item interaction graph. However, such finding is mostly restricted to the collaborative…

Information Retrieval · Computer Science 2022-01-10 Jiancan Wu , Xiangnan He , Xiang Wang , Qifan Wang , Weijian Chen , Jianxun Lian , Xing Xie

Network data is ubiquitous in various scientific disciplines, including sociology, economics, and neuroscience. Latent space models are often employed in network data analysis, but the geometric effect of latent space curvature remains a…

Methodology · Statistics 2026-02-11 Jinming Li , Gongjun Xu , Ji Zhu

Embedding methods transform the knowledge graph into a continuous, low-dimensional space, facilitating inference and completion tasks. Existing methods are mainly divided into two types: translational distance models and semantic matching…

Information Retrieval · Computer Science 2025-03-11 Deepak Banerjee , Anjali Ishaan

Recommending items to users has long been a fundamental task, and studies have tried to improve it ever since. Most well-known models commonly employ representation learning to map users and items into a unified embedding space for matching…

Information Retrieval · Computer Science 2025-04-16 Radin Cheraghi , Amir Mohammad Mahfoozi , Sepehr Zolfaghari , Mohammadshayan Shabani , Maryam Ramezani , Hamid R. Rabiee

Social recommendation task aims to predict users' preferences over items with the incorporation of social connections among users, so as to alleviate the sparse issue of collaborative filtering. While many recent efforts show the…

Information Retrieval · Computer Science 2021-10-11 Chao Huang , Huance Xu , Yong Xu , Peng Dai , Lianghao Xia , Mengyin Lu , Liefeng Bo , Hao Xing , Xiaoping Lai , Yanfang Ye

Recommendation systems get expanding significance because of their applications in both the scholarly community and industry. With the development of additional data sources and methods of extracting new information other than the rating…

Information Retrieval · Computer Science 2020-05-19 Mohammad Maghsoudi Mehrabani , Hamid Mohayeji , Ali Moeini

Collaborative Filtering (CF) is a widely used and effective technique for recommender systems. In recent decades, there have been significant advancements in latent embedding-based CF methods for improved accuracy, such as matrix…

Information Retrieval · Computer Science 2023-04-28 Yuntao Du , Jianxun Lian , Jing Yao , Xiting Wang , Mingqi Wu , Lu Chen , Yunjun Gao , Xing Xie

Accurate user and item embedding learning is crucial for modern recommender systems. However, most existing recommendation techniques have thus far focused on modeling users' preferences over singular type of user-item interactions. Many…

Information Retrieval · Computer Science 2021-10-11 Lianghao Xia , Chao Huang , Yong Xu , Peng Dai , Xiyue Zhang , Hongsheng Yang , Jian Pei , Liefeng Bo

Recommendation systems play a crucial role in helping users filter through vast amounts of information. However, traditional recommendation algorithms often overlook the integration and utilization of multi-source information, limiting…

Machine Learning · Computer Science 2024-09-25 Zhizhong Wu

Knowledge graphs have evolved rapidly in recent years and their usefulness has been demonstrated in many artificial intelligence tasks. However, knowledge graphs often have lots of missing facts. To solve this problem, many knowledge graph…

Artificial Intelligence · Computer Science 2019-04-08 Takuma Ebisu , Ryutaro Ichise

Knowledge Graph Embedding (KGE) aims to represent entities and relations of knowledge graph in a low-dimensional continuous vector space. Recent works focus on incorporating structural knowledge with additional information, such as entity…

Computation and Language · Computer Science 2018-08-14 Kai Wang , Yu Liu , Xiujuan Xu , Dan Lin

Observers for systems with Lie group symmetries are an active area of research that is seeing significant impact in a number of practical domains, including aerospace, robotics, and mechatronics. This paper builds on the theory of the…

Systems and Control · Electrical Eng. & Systems 2022-10-26 Hiya Gada , Pieter van Goor , Ravi Banavar , Robert Mahony

Multimodal knowledge graph completion (MMKGC) aims to predict missing links in multimodal knowledge graphs (MMKGs) by leveraging information from various modalities alongside structural data. Existing MMKGC approaches primarily extend…

Computation and Language · Computer Science 2025-09-16 Haodi Ma , Dzmitry Kasinets , Daisy Zhe Wang

We present a novel federated multi-task learning method that leverages cross-client similarity to enable personalized learning for each client. To avoid transmitting the entire model to the parameter server, we propose a…

Machine Learning · Computer Science 2025-06-13 Ahmed Elbakary , Chaouki Ben Issaid , Mehdi Bennis