Search Results for author: Chuan Chen

Found 29 papers, 8 papers with code

FedBRB: An Effective Solution to the Small-to-Large Scenario in Device-Heterogeneity Federated Learning

no code implementations27 Feb 2024 Ziyue Xu, Mingfeng Xu, Tianchi Liao, Zibin Zheng, Chuan Chen

FedBRB can uses small local models to train all blocks of the large global model, and broadcasts the trained parameters to the entire space for faster information interaction.

Federated Learning

Clients Collaborate: Flexible Differentially Private Federated Learning with Guaranteed Improvement of Utility-Privacy Trade-off

no code implementations10 Feb 2024 Yuecheng Li, Tong Wang, Chuan Chen, Jian Lou, Bin Chen, Lei Yang, Zibin Zheng

This implies that our FedCEO can effectively recover the disrupted semantic information by smoothing the global semantic space for different privacy settings and continuous training processes.

Federated Learning

VeryFL: A Verify Federated Learning Framework Embedded with Blockchain

1 code implementation27 Nov 2023 Yihao Li, Yanyi Lai, Chuan Chen, Zibin Zheng

These mechanism on blockchain shows an underlying support of blockchain for federated learning to provide a verifiable training, aggregation and incentive distribution procedure and thus we named this framework VeryFL (A Verify Federated Learninig Framework Embedded with Blockchain).

Federated Learning

Tokenized Model: A Blockchain-Empowered Decentralized Model Ownership Verification Platform

no code implementations27 Nov 2023 Yihao Li, Yanyi Lai, Tianchi Liao, Chuan Chen, Zibin Zheng

By using the model watermarking technology, we point out the possibility of building a unified platform for model ownership verification.

Community-Aware Efficient Graph Contrastive Learning via Personalized Self-Training

no code implementations18 Nov 2023 Yuecheng Li, YanMing Hu, Lele Fu, Chuan Chen, Lei Yang, Zibin Zheng

However, for unsupervised and structure-related tasks such as community detection, current GCL algorithms face difficulties in acquiring the necessary community-level information, resulting in poor performance.

Community Detection Contrastive Learning +1

Contrastive Deep Nonnegative Matrix Factorization for Community Detection

1 code implementation4 Nov 2023 Yuecheng Li, Jialong Chen, Chuan Chen, Lei Yang, Zibin Zheng

Recently, nonnegative matrix factorization (NMF) has been widely adopted for community detection, because of its better interpretability.

Community Detection Contrastive Learning +3

Multi-Agent Deep Reinforcement Learning for Dynamic Avatar Migration in AIoT-enabled Vehicular Metaverses with Trajectory Prediction

no code implementations26 Jun 2023 Junlong Chen, Jiawen Kang, Minrui Xu, Zehui Xiong, Dusit Niyato, Chuan Chen, Abbas Jamalipour, Shengli Xie

Specifically, we propose a model to predict the future trajectories of intelligent vehicles based on their historical data, indicating the future workloads of RSUs. Based on the expected workloads of RSUs, we formulate the avatar task migration problem as a long-term mixed integer programming problem.

Trajectory Prediction

DsMtGCN: A Direction-sensitive Multi-task framework for Knowledge Graph Completion

no code implementations17 Jun 2023 Jining Wang, Chuan Chen, Zibin Zheng, Yuren Zhou

To solve the inherent incompleteness of knowledge graphs (KGs), numbers of knowledge graph completion (KGC) models have been proposed to predict missing links from known triples.

Entity Embeddings

Contextual Dictionary Lookup for Knowledge Graph Completion

no code implementations13 Jun 2023 Jining Wang, Delai Qiu, YouMing Liu, Yining Wang, Chuan Chen, Zibin Zheng, Yuren Zhou

We extend several KGE models with the method, resulting in substantial performance improvements on widely-used benchmark datasets.

Knowledge Graph Embedding Relation

Migrate Demographic Group For Fair GNNs

no code implementations7 Jun 2023 YanMing Hu, Tianchi Liao, Jialong Chen, Jing Bian, Zibin Zheng, Chuan Chen

To tackle this problem, we propose a brand new framework, FairMigration, which can dynamically migrate the demographic groups instead of keeping that fixed with raw sensitive attributes.

Fairness Graph Learning +1

Capturing Fine-grained Semantics in Contrastive Graph Representation Learning

no code implementations23 Apr 2023 Lin Shu, Chuan Chen, Zibin Zheng

Concretely, FSGCL first introduces a motif-based graph construction, which employs graph motifs to extract diverse semantics existed in graphs from the perspective of input data.

Contrastive Learning graph construction +1

FedEgo: Privacy-preserving Personalized Federated Graph Learning with Ego-graphs

1 code implementation29 Aug 2022 Taolin Zhang, Chuan Chen, Yaomin Chang, Lin Shu, Zibin Zheng

As special information carriers containing both structure and feature information, graphs are widely used in graph mining, e. g., Graph Neural Networks (GNNs).

Federated Learning Graph Learning +2

Distributed Evolution Strategies for Black-box Stochastic Optimization

no code implementations9 Apr 2022 Xiaoyu He, Zibin Zheng, Chuan Chen, Yuren Zhou, Chuan Luo, QIngwei Lin

This work concerns the evolutionary approaches to distributed stochastic black-box optimization, in which each worker can individually solve an approximation of the problem with nature-inspired algorithms.

Evolutionary Algorithms

A Decentralized Federated Learning Framework via Committee Mechanism with Convergence Guarantee

2 code implementations1 Aug 2021 Chunjiang Che, XiaoLi Li, Chuan Chen, Xiaoyu He, Zibin Zheng

In addition, we theoretically analyze and prove the convergence of CMFL under different election and selection strategies, which coincides with the experimental results.

Federated Learning

A Dual-Purpose Deep Learning Model for Auscultated Lung and Tracheal Sound Analysis Based on Mixed Set Training

no code implementations9 Jul 2021 Fu-Shun Hsu, Shang-Ran Huang, Chang-Fu Su, Chien-Wen Huang, Yuan-Ren Cheng, Chun-Chieh Chen, Chun-Yu Wu, Chung-Wei Chen, Yen-Chun Lai, Tang-Wei Cheng, Nian-Jhen Lin, Wan-Ling Tsai, Ching-Shiang Lu, Chuan Chen, Feipei Lai

However, mixed set training or domain adaptation improved the performance for 1) inhalation and exhalation detection in lung sounds and 2) inhalation, exhalation, and CAS detection in tracheal sounds compared to positive controls (the models trained using lung sound alone and used in lung sound analysis and vice versa).

Domain Adaptation

FedGL: Federated Graph Learning Framework with Global Self-Supervision

no code implementations7 May 2021 Chuan Chen, Weibo Hu, Ziyue Xu, Zibin Zheng

Moreover, the global self-supervision enables the information of each client to flow and share in a privacy-preserving manner, thus alleviating the heterogeneity and utilizing the complementarity of graph data among different clients.

Federated Learning Graph Learning +2

A_Blockchain-Based_Decentralized_Federated_Learning_Framework_with_Committee_Consensus

no code implementations IEEE Network 2021 Yuzheng Li, Chuan Chen, Nan Liu, Huawei Huang, Zibin Zheng, and Qiang Yan

To address these security issues, we propose a decentralized federated learning framework based on blockchain, that is, a Blockchain- based Federated Learning framework with Committee consensus (BFLC).

Federated Learning

Tensor Completion via Convolutional Sparse Coding Regularization

no code implementations2 Dec 2020 Zhebin Wu, Tianchi Liao, Chuan Chen, Cong Liu, Zibin Zheng, Xiongjun Zhang

On the contrary, in the field of signal processing, Convolutional Sparse Coding (CSC) can provide a good representation of the high-frequency component of the image, which is generally associated with the detail component of the data.

Competition of Spinon Fermi Surface and Heavy Fermi Liquids states from the Periodic Anderson to the Hubbard model

no code implementations1 Oct 2020 Chuan Chen, Inti Sodemann, Patrick A. Lee

We study a model of correlated electrons coupled by tunnelling to a layer of itinerant metallic electrons, which allows to interpolate from a frustrated limit favorable to spin liquid states to a Kondo-lattice limit favorable to interlayer coherent heavy metallic states.

Strongly Correlated Electrons Materials Science

Outlier-Resilient Web Service QoS Prediction

1 code implementation1 Jun 2020 Fanghua Ye, Zhiwei Lin, Chuan Chen, Zibin Zheng, Hong Huang

The proliferation of Web services makes it difficult for users to select the most appropriate one among numerous functionally identical or similar service candidates.

SocialTrans: A Deep Sequential Model with Social Information for Web-Scale Recommendation Systems

no code implementations9 May 2020 Qiaoan Chen, Hao Gu, Lingling Yi, Yishi Lin, Peng He, Chuan Chen, Yangqiu Song

Experiments on three data sets verify the effectiveness of our model and show that it outperforms state-of-the-art social recommendation methods.

Graph Attention Recommendation Systems

A Blockchain-based Decentralized Federated Learning Framework with Committee Consensus

1 code implementation2 Apr 2020 Yuzheng Li, Chuan Chen, Nan Liu, Huawei Huang, Zibin Zheng, Qiang Yan

To address these security issues, we proposed a decentralized federated learning framework based on blockchain, i. e., a Blockchain-based Federated Learning framework with Committee consensus (BFLC).

Federated Learning

An Uncoupled Training Architecture for Large Graph Learning

no code implementations21 Mar 2020 Dalong Yang, Chuan Chen, Youhao Zheng, Zibin Zheng, Shih-wei Liao

Instead of directly processing the coupled nodes as GCNs, Node2Grids supports a more efficacious method in practice, mapping the coupled graph data into the independent grid-like data which can be fed into the efficient Convolutional Neural Network (CNN).

Graph Learning

LoCEC: Local Community-based Edge Classification in Large Online Social Networks

no code implementations11 Feb 2020 Chonggang Song, Qian Lin, Guohui Ling, Zongyi Zhang, Hongzhao Chen, Jun Liao, Chuan Chen

To tackle the challenges, we propose a Local Community-based Edge Classification (LoCEC) framework that classifies user relationships in a social network into real-world social connection types.

Classification Edge Classification +2

Deep Autoencoder-like Nonnegative Matrix Factorization for Community Detection

2 code implementations CIKM 2018 Fanghua Ye, Chuan Chen, Zibin Zheng

Considering the complicated and diversified topology structures of real-world networks, it is highly possible that the mapping between the original network and the community membership space contains rather complex hierarchical information, which cannot be interpreted by classic shallow NMF-based approaches.

Local Community Detection Network Community Partition +2

Collaborative Deep Learning Across Multiple Data Centers

no code implementations16 Oct 2018 Kele Xu, Haibo Mi, Dawei Feng, Huaimin Wang, Chuan Chen, Zibin Zheng, Xu Lan

Valuable training data is often owned by independent organizations and located in multiple data centers.

Learning Semantic Representations for Unsupervised Domain Adaptation

1 code implementation ICML 2018 Shaoan Xie, Zibin Zheng, Liang Chen, Chuan Chen

Prior domain adaptation methods address this problem through aligning the global distribution statistics between source domain and target domain, but a drawback of prior methods is that they ignore the semantic information contained in samples, e. g., features of backpacks in target domain might be mapped near features of cars in source domain.

Learning Semantic Representations Unsupervised Domain Adaptation

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