Showing 2,801 - 2,820 results of 11,103 for search 'features problems', query time: 0.20s Refine Results
  1. 2801

    Evaluation of the Relation Between Democracy and the Political Participation Over Türkiye by Gizem Kabasakal, Abdulvahap Akıncı

    Published 2024-10-01
    “…Political participation is one of the most defining features of democratic practices that date back to ancient Greece. …”
    Get full text
    Article
  2. 2802

    Dynamic graph attention network for local leisure event recommendation in event-based social networks by Xia Peng, Yazhao Wu, Zhiming Gui, Yitian Liu, Zhou Huang, Yi Bao

    Published 2025-08-01
    “…The model extracts event features, mines user preferences from historical events, models social relationships using graph attention networks, and captures recent preference features through temporal social networks with long short-term memory networks. …”
    Get full text
    Article
  3. 2803

    Text similarity detection method based on NLP by Xiaoli DAI, Shifeng LIU, Daqing GONG

    Published 2021-10-01
    “…Current text similarity detection methods that ignore document structure information and lack semantic relevance.To solve these problems, a text-oriented similarity detection method was proposed.First, analytic hierarchy process (AHP) was used to calculate word position weight to extract feature words.Second, the Pearson correlation coefficient was used to measure semantic correlation between words which was the weight of generalized Dice coefficient to calculate similarity.Experimental results show that the proposed method can improve the precision of feature word extraction and the accuracy of similarity calculation results.…”
    Get full text
    Article
  4. 2804

    Text similarity detection method based on NLP by Xiaoli DAI, Shifeng LIU, Daqing GONG

    Published 2021-10-01
    “…Current text similarity detection methods that ignore document structure information and lack semantic relevance.To solve these problems, a text-oriented similarity detection method was proposed.First, analytic hierarchy process (AHP) was used to calculate word position weight to extract feature words.Second, the Pearson correlation coefficient was used to measure semantic correlation between words which was the weight of generalized Dice coefficient to calculate similarity.Experimental results show that the proposed method can improve the precision of feature word extraction and the accuracy of similarity calculation results.…”
    Get full text
    Article
  5. 2805
  6. 2806

    Fault Diagnosis of Train Bogie Bearing Based on Multi-scale Sample Entropy Improved Extreme Learning Machine by JIN Zhenzhen, HE Deqiang, MIAO Jian, XU Weichang

    Published 2021-01-01
    “…Firstly, fault features are extracted by using the multi-scale sample entropy to form a feature vector set. …”
    Get full text
    Article
  7. 2807

    The Use of Econometric Methods for Analyzing the Market of Present Day Manufactured Toys by R. V. Gavva, E. N. Lozhkomoeva

    Published 2019-03-01
    “…It is shown that specificity of industry, features of its development influence the expediency of using concrete methods, models, information technologies, ways of processing statistic information, analysis and forecast of its indices. …”
    Get full text
    Article
  8. 2808

    Insulator Defect Detection in Complex Environments Based on Improved YOLOv8 by Yuxin Qin, Ying Zeng, Xin Wang

    Published 2025-06-01
    “…Insulator defect detection is important in ensuring power systems’ safety and stable operation. To solve the problems of its low accuracy, high delay, and large model size in complex environments, following the principle of progressive extraction from high-entropy details to low-entropy semantics, an improved YOLOv8 target detection network for insulator defects based on bidirectional weighted feature fusion was proposed. …”
    Get full text
    Article
  9. 2809

    Broad learning system based on attention mechanism and tracking differentiator by LIAO Lüchao, ZOU Weidong, YANG Jialong, LU Huihuang, XIA Yuanqing, GAO Jianlei

    Published 2024-09-01
    “…However, it also has drawbacks such as insufficient feature learning capability and unstable generalization performance. …”
    Get full text
    Article
  10. 2810

    FML-Swin: An Improved Swin Transformer Segmentor for Remote Sensing Images by Tianren Wu, Wenqin Deng, Rui Lin, Junzhe Jiang, Xueyun Chen

    Published 2025-01-01
    “…Due to the complex background, occlusion overlap and small scale target of urban remote sensing image, the semantic segmentation results have some defects such as target confusion and similarity, target boundary ambiguity, and small scale target omission. To solve the above problems, a feature-interactive fusion and multi-scale detail sensing lightweight enhanced Swin Transformer (FML-Swin) is proposed. …”
    Get full text
    Article
  11. 2811

    PFARN: Pyramid Fusion Attention and Refinement Network for Multiscale Ship Detection in SAR Images by Ke Li, Hang Yu, Suqi Li, Shanhu Chen, Bailu Wang

    Published 2025-01-01
    “…First, a shape scale convolution is used to improve the focus and extraction of mutiscale-ship features. Second, the feature maps are fused with pyramid fusion attention, which is based on self-attention and Gaussian cross-attention, ensuring alignment of both the semantic and spatial information. …”
    Get full text
    Article
  12. 2812

    Fine-grained point cloud classification based on hierarchical feature enhancement. Journal of Zhejiang University (Science Edition),2025,52(1):70⁃80(基于层次特征增强的细粒度点云分类)... by 白静(BAI Jing), 刘路(LIU Lu), 郑虎(ZHENG Hu), 蒋金哲(JIANG Jinzhe)

    Published 2025-01-01
    “…Aiming at the problem of insufficient local feature extraction of general point cloud classification methods in fine-grained classification tasks, we propose a point cloud-oriented 3D model classification framework, HFE-Net. …”
    Get full text
    Article
  13. 2813

    Machine Learning and Metaheuristics Approach for Individual Credit Risk Assessment: A Systematic Literature Review by Álex Paz, Broderick Crawford, Eric Monfroy, José Barrera-García, Álvaro Peña Fritz, Ricardo Soto, Felipe Cisternas-Caneo, Andrés Yáñez

    Published 2025-05-01
    “…These nature-inspired algorithms, derived from biological and ecological processes, align with bio-inspired principles by mimicking natural intelligence to solve complex problems in high-dimensional feature spaces. Unlike prior reviews that adopt broader scopes combining corporate, sovereign, and individual contexts, this work focuses exclusively on methodological strategies for individual credit risk. …”
    Get full text
    Article
  14. 2814
  15. 2815

    Time Series Data Generation Method with High Reliability Based on ACGAN by Fang Liu, Yuxin Li, Yuanfang Zheng

    Published 2025-01-01
    “…This can lead to insufficient feature extraction capability. At the same time, there is a high degree of overlap between the generated data due to the low category differentiation of the real data. …”
    Get full text
    Article
  16. 2816

    Sparse Temporal Data-Driven SSA-CNN-LSTM-Based Fault Prediction of Electromechanical Equipment in Rail Transit Stations by Jing Xiong, Youchao Sun, Junzhou Sun, Yongbing Wan, Gang Yu

    Published 2024-09-01
    “…An SSA-CNN-LSTM model is then established to extract effective data features from low-dimensional data with insufficient feature depth through structures such as convolutional layers and pooling layers in a CNN, determine the optimal hyperparameters, automatically optimize the model network size, solve the problem of the difficult determination of the neural network model size, and achieve accurate prediction of the fault rate of station electromechanical equipment. …”
    Get full text
    Article
  17. 2817
  18. 2818

    Adverse drug reaction signal detection via the long short-term memory model by Mengqi Cao, Yanna Chi, Jinyang Yu, Yu Yang, Ruogu Meng, Jinzhu Jia, Jinzhu Jia

    Published 2025-06-01
    “…IntroductionDrug safety has increasingly become a serious public health problem that threatens health and damages social economy. …”
    Get full text
    Article
  19. 2819

    Influence of Oil Temperature of Yaw Damper on Dynamic Performance by XU Tengyang, CHI Maoru, TIAN Xiangyang, GUO Zhaotuan, DAI Liangcheng, KUANG Chengxiao

    Published 2016-01-01
    “…It could be concluded that: oil temperature had a significant influence on dynamic feature of yaw damper, and lower temperature was much more obvious than higher. …”
    Get full text
    Article
  20. 2820