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  • Open Access

    ARTICLE

    UGEA-LMD: A Continuous-Time Dynamic Graph Representation Enhancement Framework for Lateral Movement Detection

    Jizhao Liu, Yuanyuan Shao*, Shuqin Zhang, Fangfang Shan, Jun Li

    CMC-Computers, Materials & Continua, Vol.86, No.1, pp. 1-20, 2026, DOI:10.32604/cmc.2025.068998 - 10 November 2025

    Abstract Lateral movement represents the most covert and critical phase of Advanced Persistent Threats (APTs), and its detection still faces two primary challenges: sample scarcity and “cold start” of new entities. To address these challenges, we propose an Uncertainty-Driven Graph Embedding-Enhanced Lateral Movement Detection framework (UGEA-LMD). First, the framework employs event-level incremental encoding on a continuous-time graph to capture fine-grained behavioral evolution, enabling newly appearing nodes to retain temporal contextual awareness even in the absence of historical interactions and thereby fundamentally mitigating the cold-start problem. Second, in the embedding space, we model the dependency structure among… More >

  • Open Access

    ARTICLE

    Effectiveness of an 8-Week Game-Based Physical Activity Program in Reducing Post-Traumatic Stress among Children Affected by the 2023 Kahramanmaraş Earthquakes

    Burak Canpolat1,*, Göktuğ Norman2, Cemal Gündoğdu2, Şakir Tüfekçi2, Yalın Aygün2, Taylan Akbuğa3

    International Journal of Mental Health Promotion, Vol.27, No.11, pp. 1781-1795, 2025, DOI:10.32604/ijmhp.2025.069852 - 28 November 2025

    Abstract Objectives: This study examines the effectiveness of an eight-week game-based physical activity program designed to reduce post-traumatic stress levels in children affected by the Kahramanmaraş-centered earthquakes that occurred in Turkey on 06 February 2023. Following the earthquake, millions of children experienced significant changes in their education and living conditions, adversely affecting their psychological health. Methods: The therapeutic effects of physical activity on post-traumatic stress disorder (PTSD) are frequently emphasized in the literature, and this study specifically focuses on the impact of game-based exercises. The research employed an experimental design, involving 80 earthquake-affected children aged 10 to… More >

  • Open Access

    ARTICLE

    The intelligence of the Copts of Sudan: A test of norms validation

    Edward Dutton1,*, Salwa Saleh Mohamed Alamein2, Guy Madison3, David Becker4, Mohammed Ateik Al-Khadher5, Salaheldin Farah Attallah Bakhiet6, Yousif Balil Bashir Maki6, Nasser Said Gomaa Abdelrasheed7, Ahmad Mohammad Alzoubi8,9

    Journal of Psychology in Africa, Vol.35, No.5, pp. 695-699, 2025, DOI:10.32604/jpa.2025.067488 - 24 October 2025

    Abstract This study validated the Standard Progressive Matrices (SPM+) norms in the Sudanese context. A sample of Coptic Sudanese (n = 385, girls = 34.5%) and other Sudanese children (n = 1656, girls = 51.5%) aged between 7 and 10 took the SPM+. Reliability was acceptable (Cronbach’s alpha = 0.755 for the Copts). British Intelligence Quotient (IQ) norms scores from the SPM+ for the Copts were compared to those of the (North) Sudanese, controlling for age. The mean IQ of the Sudanese Copts was 88.92, while that of the other (North) Sudanese was 78.26. This difference More >

  • Open Access

    ARTICLE

    Latent Profile Analysis: Mattering Concepts, Problematic Internet Use, and Adaptability in Chinese University Students

    Jianlong Wang1,#, Xiumei Chen1,2,#, Muqi Huang3, Rui Liu3, I-Hua Chen4,5,*, Gordon L. Flett6,*

    International Journal of Mental Health Promotion, Vol.27, No.2, pp. 241-256, 2025, DOI:10.32604/ijmhp.2025.058503 - 03 March 2025

    Abstract Background: This study addresses the pressing need to understand the nuanced relationship between ‘mattering’—the perception of being significant to others—and problematic internet use (PIU) among university students. Unlike previous research that has primarily employed variable-centered approaches, this study first adopts a person-centered approach using Latent Profile Analysis (LPA) to identify distinct mattering profiles. Subsequently, through variable-centered analyses, these profiles are examined in relation to different types of PIU—specifically problematic social media use (PSMU) and problematic gaming (PG)—as well as adaptability. Methods: Data were collected from 3587 university students across 19 universities in China. Participants completed… More >

  • Open Access

    PROCEEDINGS

    Attempts for Odor Reduction Caused by Railroad Vehicle Air Conditioner

    Won-Hee Park1,*, Su-Whan Yoon1

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.32, No.2, pp. 1-1, 2024, DOI:10.32604/icces.2024.011340

    Abstract Korea's Daegu Railway Line 3 is a line operated by three-car train of unmanned railway vehicles running over an elevated bridge. Complaints about bad odors when air conditioners are turned on during the summer and late spring and early fall are increasing. In the case of Daegu Line 3, which is exposed to the external environment, the stopping section is shorter than that of regular railways, and the congestion rate by time period/section changes rapidly. Since the perceived temperature is different for each gender/individual of the passengers, the set temperature of the air conditioner is… More >

  • Open Access

    REVIEW

    A Critical Review of Active Distribution Network Reconfiguration: Concepts, Development, and Perspectives

    Bo Yang1, Rui Zhang1, Jie Zhang2, Xianlong Cheng2, Jiale Li3, Yimin Zhou1, Yuanweiji Hu1, Bin He1, Gongshuai Zhang4, Xiuping Du4, Si Ji5, Yiyan Sang6, Zhengxun Guo7,8,*

    Energy Engineering, Vol.121, No.12, pp. 3487-3547, 2024, DOI:10.32604/ee.2024.054662 - 22 November 2024

    Abstract In recent years, the large-scale grid connection of various distributed power sources has made the planning and operation of distribution grids increasingly complex. Consequently, a large number of active distribution network reconfiguration techniques have emerged to reduce system losses, improve system safety, and enhance power quality via switching switches to change the system topology while ensuring the radial structure of the network. While scholars have previously reviewed these methods, they all have obvious shortcomings, such as a lack of systematic integration of methods, vague classification, lack of constructive suggestions for future study, etc. Therefore, this… More >

  • Open Access

    PROCEEDINGS

    Exploration of Alloy Composition-Phase Relationships: High-Throughput Experimental Concepts and Approaches

    Liang Jiang1,*

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.29, No.1, pp. 1-1, 2024, DOI:10.32604/icces.2024.012946

    Abstract The Materials Genome Engineering (MGE) spurs the developments and applications of methods and tools in high-throughput experiments, integrated computation materials engineering and big data. Due to the unique importance and characteristics of structural alloys, there are great needs for MGE high throughput experimental methods and tools to enable efficient establishment of the complex alloy composition-microstructures-property relationships. To explore the alloy composition-phase relationships, several high-throughput experimental concepts are discussed. The diffusion-based high-throughput experimental concepts and approaches are highlighted from generating composition spread, automating characterization, and to illustrating systematic analysis. In particular, the evolution of diffusion multiple More >

  • Open Access

    ARTICLE

    The Association between Fear of COVID-19, Obsession with COVID-19, and Post Traumatic Stress Disorder in Korean Emergency Rescue Firefighters: A Cross-Sectional Study

    Yun-Jung Choi1, Heewon Song2,*

    International Journal of Mental Health Promotion, Vol.26, No.6, pp. 475-480, 2024, DOI:10.32604/ijmhp.2024.050824 - 28 June 2024

    Abstract During the rapid spread of COVID-19, first responders are at risk of being exposed to COVID-19 due to their role in providing first aid and responding to an unspecified number of people. This uncertainty can have adverse mental health effects, such as increased anxiety and fear. This study aimed to investigate the degree of association between fear of COVID-19, obsession with COVID-19, and post-traumatic stress disorder (PTSD) in emergency rescue firefighters. The participants were 150 emergency rescue firefighters working in Region S, Korea. They filled out self-report questionnaires: The data obtained through the Fear of… More >

  • Open Access

    ARTICLE

    Citizens’ Mental Health Issues and Psychological Trauma Experience due to a Crowd-Crush Disaster in Korea

    Yun-Jung Choi1,#,*, Jae-Won Kwak2,#, Hae-In Namgung3

    International Journal of Mental Health Promotion, Vol.26, No.6, pp. 439-447, 2024, DOI:10.32604/ijmhp.2024.050458 - 28 June 2024

    Abstract This study evaluated the state of anxiety, depression, post-traumatic stress disorder, general mental health, and mental well-being among citizens after a crowd-crush disaster in Korea. Individuals who experienced the crowd crush had significantly higher anxiety, depression, and post-traumatic stress disorder (PTSD) scores than those who did not (p < 0.001). Additionally, people who avoided the disaster area had significantly higher depression and PTSD scores than those who did not avoid the area (p < 0.001). Those who directly witnessed the Seoul Halloween crowd crush had a significant difference in PTSD levels in either group than those More >

  • Open Access

    ARTICLE

    Improving Heat Transfer in Parabolic Trough Solar Collectors by Magnetic Nanofluids

    Ritesh Singh1, Abhishek Gupta1, Akshoy Ranjan Paul1, Bireswar Paul1, Suvash C. Saha2,*

    Energy Engineering, Vol.121, No.4, pp. 835-848, 2024, DOI:10.32604/ee.2024.046849 - 26 March 2024

    Abstract A parabolic trough solar collector (PTSC) converts solar radiation into thermal energy. However, low thermal efficiency of PTSC poses a hindrance to the deployment of solar thermal power plants. Thermal performance of PTSC is enhanced in this study by incorporating magnetic nanoparticles into the working fluid. The circular receiver pipe, with dimensions of 66 mm diameter, 2 mm thickness, and 24 m length, is exposed to uniform temperature and velocity conditions. The working fluid, Therminol-66, is supplemented with Fe3O4 magnetic nanoparticles at concentrations ranging from 1% to 4%. The findings demonstrate that the inclusion of nanoparticles… More >

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