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  1. Modified graph systems for distributed optimization

    In distributed optimization theory, network topology graphs are important in communications among multiple agents. However, distributed optimization...

    Zicong **a, Yang Liu, ... Weihua Gui in Science China Information Sciences
    Article 28 November 2023
  2. Adaptive graph contrastive learning with joint optimization of data augmentation and graph encoder

    Graph contrastive learning (GCL) has been successfully used to solve the problem of the huge cost of graph data annotation, such as labor cost, time...

    Zhenpeng Wu, Jiamin Chen, ... Jianliang Gao in Knowledge and Information Systems
    Article 12 October 2023
  3. Large graph layout optimization based on vision and computational efficiency: a survey

    Graph layout can help users explore graph data intuitively. However, when handling large graph data volumes, the high time complexity of the layout...

    Shuhang Zhang, Ruihong Xu, Yining Quan in Visual Intelligence
    Article Open access 17 July 2023
  4. A survey on uncertain graph and uncertain network optimization

    Uncertainty theory, founded in 2007, has become a branch of mathematics to model uncertainty rather than randomness. As an indispensable part of...

    ** Peng, Bo Zhang, ... Hui Li in Fuzzy Optimization and Decision Making
    Article 08 June 2023
  5. Graph neural networks for deep portfolio optimization

    There is extensive literature dating back to the Markowitz model on portfolio optimization. Recently, with the introduction of deep models in...

    Ömer Ekmekcioğlu, Mustafa Ç. Pınar in Neural Computing and Applications
    Article 22 July 2023
  6. DC-Graph: a chunk optimization model based on document classification and graph learning

    Existing machine reading comprehension methods use a fixed stride to chunk long texts, which leads to missing contextual information at the...

    **g**g Zhou, Guohao Zhang, ... Hao Zhang in Artificial Intelligence Review
    Article Open access 16 May 2024
  7. Scalable decoupling graph neural network with feature-oriented optimization

    Recent advances in data processing have stimulated the demand for learning graphs of very large scales. Graph neural networks (GNNs), being an...

    Ningyi Liao, Dingheng Mo, ... Pengcheng Yin in The VLDB Journal
    Article 27 December 2023
  8. Comparative study of crystal structure prediction approaches based on a graph network and an optimization algorithm

    The combination of a database, graph neural network, and an optimization algorithm is an effective approach for crystal structure prediction (CSP)....

    Fan Yang, Guanjian Cheng, Wan-Jian Yin in Science China Materials
    Article 25 March 2024
  9. Aerodynamic shape optimization using graph variational autoencoders and genetic algorithms

    The use of machine learning in aerodynamic shape optimization problems has significantly increased in recent years. While existing deep learning...

    Jorge Jabón, Sergio Corbera, ... Rafael Barea in Structural and Multidisciplinary Optimization
    Article 26 February 2024
  10. Interactive optimization of relation extraction via knowledge graph representation learning

    Relation extraction is a vital task in constructing large-scale knowledge graphs, aiming to identify factual relations between entities from plain...

    Yuhua Liu, Yuming Ma, ... Zhiguang Zhou in Journal of Visualization
    Article 26 February 2024
  11. Iterative alternating optimization of bi-orthogonal two-channel graph filter bank

    The iterative alternating optimization (IAO) algorithm is proposed to optimize the coefficients of the (frequency domain/ spectral) general design...

    Hao Wang, Yi Ou, ... Chengwei Huang in Multidimensional Systems and Signal Processing
    Article 15 February 2023
  12. A crashworthiness optimization method of subway underframe structures based on the differential evolution of the weighted graph representation

    The crashworthiness optimization of the subway end structure is essentially a topology–shape–size collaborative optimization problem of a composite...

    Shuguang Yao, Yili Zhou, ... Fan Zou in Structural and Multidisciplinary Optimization
    Article 28 March 2024
  13. POSGO: an open-source software for GNSS pseudorange positioning based on graph optimization

    Graph optimization (GO) can correlate more historical information to increase the resistance against the GNSS outliers. Therefore, GO has the...

    Zhen Li, **g Guo, Qile Zhao in GPS Solutions
    Article 17 August 2023
  14. Mayfly Taylor Optimization-Based Graph Attention Network for Task Scheduling in Edge Computing

    Multi-access edge computing (MEC) is a technology that enables devices with limited processing capabilities to handle computationally intensive tasks...

    Dacheng Chen, **nhua Liu in Journal of Grid Computing
    Article 27 September 2023
  15. Few-shot temporal knowledge graph completion based on meta-optimization

    Knowledge Graphs (KGs) have become an increasingly important part of artificial intelligence, and KGs have been widely used in artificial...

    Lin Zhu, Luyi Bai, ... Mingcheng Zhang in Complex & Intelligent Systems
    Article Open access 04 July 2023
  16. A two-stage entity event deduplication method based on graph node selection and node optimization strategy

    Entity event deduplication is the task of identifying all duplication entity events that have described the same entity within a set of events....

    Wei Ai, Jia Xu, ... Keqin Li in Soft Computing
    Article 07 February 2024
  17. Enhancing fairness of trading environment: discovering overlap** spammer groups with dynamic co-review graph optimization

    Within the thriving e-commerce landscape, some unscrupulous merchants hire spammer groups to post misleading reviews or ratings, aiming to manipulate...

    Chaoqun Wang, Ning Li, ... Zhen Wang in Cybersecurity
    Article Open access 04 June 2024
  18. Leveraging Transfer Learning for Enhancing Graph Optimization Problem Solving

    Reinforcement learning to solve graph optimization problems has attracted increasing attention recently. Typically, these models require extensive...
    Hui-Ju Hung, Wang-Chien Lee, ... Zhen Lei in Advances in Knowledge Discovery and Data Mining
    Conference paper 2024
  19. Combinatorial optimization with physics-inspired graph neural networks

    Combinatorial optimization problems are pervasive across science and industry. Modern deep learning tools are poised to solve these problems at...

    Martin J. A. Schuetz, J. Kyle Brubaker, Helmut G. Katzgraber in Nature Machine Intelligence
    Article 21 April 2022
  20. Intrusion detection using graph neural network and Lyapunov optimization in wireless sensor network

    Sensor nodes deployed in a remote location are vulnerable to various attack. An intruder can easily capture and tamper with sensor nodes deployed in...

    Priyajit Biswas, Tuhina Samanta, Judhajit Sanyal in Multimedia Tools and Applications
    Article 30 September 2022
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