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  1. Article

    Open Access

    Enhancing hierarchical surrogate-assisted evolutionary algorithm for high-dimensional expensive optimization via random projection

    By remarkably reducing real fitness evaluations, surrogate-assisted evolutionary algorithms (SAEAs), especially hierarchical SAEAs, have been shown to be effective in solving computationally expensive optimiza...

    **aodong Ren, Daofu Guo, Zhigang Ren, Yongsheng Liang in Complex & Intelligent Systems (2021)

  2. Article

    Open Access

    Multiplex network embedding for implicit sentiment analysis

    As one of the hot research directions in natural language processing, sentiment analysis has received continuous and extensive attention. Different from explicit sentiment words indicating sentiment polarity, ...

    **aofang Zhao, Yuhong Liu, Zhigang ** in Complex & Intelligent Systems (2021)

  3. Article

    Open Access

    Memristor crossbar architectures for implementing deep neural networks

    The paper presents memristor crossbar architectures for implementing layers in deep neural networks, including the fully connected layer, the convolutional layer, and the pooling layer. The crossbars achieve p...

    **aoyang Liu, Zhigang Zeng in Complex & Intelligent Systems (2022)

  4. Article

    Open Access

    Topology-based UAV path planning for multi-view stereo 3D reconstruction of complex structures

    This paper introduces a new UAV path planning method for creating high-quality 3D reconstruction models of large and complex structures. The core of the new method is incorporating the topology information of ...

    Zhexiong Shang, Zhigang Shen in Complex & Intelligent Systems (2023)

  5. Article

    Open Access

    LTACL: long-tail awareness contrastive learning for distantly supervised relation extraction

    Distantly supervised relation extraction is an automatically annotating method for large corpora by classifying a bound of sentences with two same entities and the relation. Recent works exploit sound performa...

    Tianwei Yan, **ang Zhang, Zhigang Luo in Complex & Intelligent Systems (2024)

  6. Article

    Open Access

    Memristive crossbar-based circuit design of back-propagation neural network with synchronous memristance adjustment

    The performance improvement of CMOS computer fails to meet the enormous data processing requirement of artificial intelligence progressively. The memristive neural network is one of the most promising circuit ...

    Le Yang, Zhixia Ding, Yanyang Xu, Zhigang Zeng in Complex & Intelligent Systems (2024)