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作品数：69被引量：72H指数：4
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相关机构：黄淮学院浙江工业大学复旦大学福建师范大学更多>>
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Position-Aware and Subgraph Enhanced Dynamic Graph Contrastive Learning on Discrete-Time Dynamic Graph
《Computers, Materials & Continua》2024年第11期2895-2909,共15页Jian Feng Tian Liu Cailing Du 
Unsupervised learning methods such as graph contrastive learning have been used for dynamic graph represen-tation learning to eliminate the dependence of labels.However,existing studies neglect positional information ...
关键词：Dynamic graph representation learning graph contrastive learning structure representation position representation evolving pattern 
Social Robot Detection Method with Improved Graph Neural Networks
《Computers, Materials & Continua》2024年第2期1773-1795,共23页Zhenhua Yu Liangxue Bai Ou Ye Xuya Cong 
This work was supported in part by the National Natural Science Foundation of China under Grants 62273272,62303375 and 61873277;in part by the Key Research and Development Program of Shaanxi Province under Grant 2023-YBGY-243;in part by the Natural Science Foundation of Shaanxi Province under Grants 2022JQ-606 and 2020-JQ758;in part by the Research Plan of Department of Education of Shaanxi Province under Grant 21JK0752;in part by the Youth Innovation Team of Shaanxi Universities.
Social robot accounts controlled by artificial intelligence or humans are active in social networks,bringing negative impacts to network security and social life.Existing social robot detection methods based on graph ...
关键词：Social robot detection social relationship subgraph graph attention network feature linear modulation behavioral gene sequences 
Research on Link Prediction Algorithms Based on Multichannel Structure Modelling
《国际计算机前沿大会会议论文集》2023年第2期269-284,共16页Gege Li Lin Zhou Zhonglin Ye Haixing Zhao 
This article was supported by the National Key Research and Development Program of China(No.2020YFC1523300);the Innovation Platform Construction Project of Qinghai Province(2022-ZJ-T02).
Today’s link prediction methods are based on the network structure using a single-channel approach for prediction,and there is a lack of link prediction algorithms constructed from a multichannel approach,which makes...
关键词：Link Prediction Subgraph Sampling Matrix Factorization Similarity Matrix MULTICHANNEL 
Distributed Truss Computation in Dynamic Graphs
《Tsinghua Science and Technology》2023年第5期873-887,共15页Ziwei Mo Qi Luo Dongxiao Yu Hao Sheng Jiguo Yu Xiuzhen Cheng 
supported in part by the National Key Research and Development Program of China(No.2020YFB1005900);in part by National Natural Science Foundation of China(No.62122042);in part by Shandong University Multidisciplinary Research and Innovation Team of Young Scholars(No.2020QNQT017)。
Large-scale graphs usually exhibit global sparsity with local cohesiveness,and mining the representative cohesive subgraphs is a fundamental problem in graph analysis.The k-truss is one of the most commonly studied co...
关键词：distributed algorithm dynamic graph graph mining cohesive subgraph k-truss 
Self-similarity of complex networks under centrality-based node removal strategy
《Chinese Physics B》2023年第9期596-602,共7页陈单 蔡德福 苏厚胜 
the Science and Technology Project of State Grid Corporation of China(Grant No.5100-202199557A-0-5-ZN)。
Real-world networks exhibit complex topological interactions that pose a significant computational challenge to analyses of such networks.Due to limited resources,there is an urgent need to develop dimensionality redu...
关键词：complex networks subgraph extraction SELF-SIMILARITY scale invariance 
MF-SuP-pK_(a): Multi-fidelity modeling with subgraph pooling mechanism for pK_(a) prediction被引量：1
《Acta Pharmaceutica Sinica B》2023年第6期2572-2584,共13页Jialu Wu Yue Wan Zhenxing Wu Shengyu Zhang Dongsheng Cao Chang-Yu Hsieh Tingjun Hou 
financially supported by National Key Research and Development Program of China (2021YFF1201400);National Natural Science Foundation of China (22220102001);Natural Science Foundation of Zhejiang Province (LZ19H300001, LD22H300001, China)。
Acid-base dissociation constant(pK_(a)) is a key physicochemical parameter in chemical science, especially in organic synthesis and drug discovery. Current methodologies for pK_(a) prediction still suffer from limited...
关键词：pK_(a)prediction Graph neural network Subgraph pooling Multi-fidelity learning Data augmentation 
Blockchain Based Consensus Algorithm and Trustworthy Evaluation of Authenticated Subgraph Queries
《Computer Systems Science & Engineering》2023年第5期1743-1758,共16页G.Sharmila M.K.Kavitha Devi 
Over the past era,subgraph mining from a large collection of graph database is a crucial problem.In addition,scalability is another big problem due to insufficient storage.There are several security challenges associa...
关键词：Big data blockchain consensus algorithm trust management graph index 
Loop Subgraph-Level Greedy Mapping Algorithm for Grid Coarse-Grained Reconfigurable Array
《Tsinghua Science and Technology》2023年第2期330-343,共14页Naijin Chen Fei Cheng Chenghao Han Jianhui Jiang Xiaoqing Wen 
This research was supported by the Natural Science Foundation of Anhui Province(No.1808085MF203);the Natural Science Foundation of China(Nos.61972438 and 61432017).
To solve the problem of grid coarse-grained reconfigurable array task mapping under multiple constraints,we propose a Loop Subgraph-Level Greedy Mapping(LSLGM)algorithm using parallelism and processing element fragmen...
关键词：Grid Coarse-Grained Reconfigurable Array(GCGRA) mapping loop subgraph scheduling 
Discovering Association Rules with Graph Patterns in Temporal Networks被引量：1
《Tsinghua Science and Technology》2023年第2期344-359,共16页Chu Huang Qianzhen Zhang Deke Guo Xiang Zhao Xi Wang 
This work was partially supported by the National Key Research and Development Program(No.2018YFB1800203);National Natural Science Foundation of China(No.U19B2024);Postgraduate Scientific Research Innovation Project of Hunan Province(No.CX20210038).
Discovering regularities between entities in temporal graphs is vital for many real-world applications(e.g.,social recommendation,emergency event detection,and cyberattack event detection).This paper proposes temporal...
关键词：temporal networks graph association rule subgraph pattern matching graph mining big graphs 
The Characterization of Graphs with No 2-connected Spanning Subgraph of V_(8)as a Minor
《Acta Mathematicae Applicatae Sinica》2022年第4期902-915,共14页Xiao-min ZHOU Xia-xia GUAN Cheng-fu QIN Wei-hua YANG 
Research Project supported by the National Natural Science Foundation of China(No.11961051);Provincial Natural Science Foundation of Shanxi(20210302123097);Shanxi Scholarship Council of China。
It is difficult to characterize graphs which contain no a 2-connected graph as a minor in graph theory.Let V_(8)be a graph constructed from an 8-cycle by connecting the antipodal vertices.There are thirteen 2-connecte...
关键词：V_(8) internally 4-connected graph minor-free 2-connected subgraph 
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