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  • Open Access

    ARTICLE

    Deep Learning-Based Natural Language Processing Model and Optical Character Recognition for Detection of Online Grooming on Social Networking Services

    Sangmin Kim1, Byeongcheon Lee1, Muazzam Maqsood2, Jihoon Moon3,*, Seungmin Rho4,*

    CMES-Computer Modeling in Engineering & Sciences, Vol.143, No.2, pp. 2079-2108, 2025, DOI:10.32604/cmes.2025.061653 - 30 May 2025

    Abstract The increased accessibility of social networking services (SNSs) has facilitated communication and information sharing among users. However, it has also heightened concerns about digital safety, particularly for children and adolescents who are increasingly exposed to online grooming crimes. Early and accurate identification of grooming conversations is crucial in preventing long-term harm to victims. However, research on grooming detection in South Korea remains limited, as existing models trained primarily on English text and fail to reflect the unique linguistic features of SNS conversations, leading to inaccurate classifications. To address these issues, this study proposes a novel… More >

  • Open Access

    ARTICLE

    Enhanced KOCED Routing Protocol with K-means Algorithm

    SeaYoung Park1, Jong-Yong Lee2, Daesung Lee3,*

    CMC-Computers, Materials & Continua, Vol.67, No.3, pp. 4019-4037, 2021, DOI:10.32604/cmc.2021.014353 - 01 March 2021

    Abstract Replacing or recharging batteries in the sensor nodes of a wireless sensor network (WSN) is a significant challenge. Therefore, efficient power utilization by sensors is a critical requirement, and it is closely related to the life span of the network. Once a sensor node consumes all its energy, it will no longer function properly. Therefore, various protocols have been proposed to minimize the energy consumption of sensors and thus prolong the network operation. Recently, clustering algorithms combined with artificial intelligence have been proposed for this purpose. In particular, various protocols employ the K-means clustering algorithm,… More >

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