Showing 321 - 340 results of 4,802 for search 'complex have problems', query time: 0.18s Refine Results
  1. 321

    Accurate depth of anesthesia monitoring based on EEG signal complexity and frequency features by Tianning Li, Yi Huang, Peng Wen, Yan Li

    Published 2024-11-01
    “…Existing methods, such as the Bispectral Index (BIS), are limited in real-time accuracy and robustness. Current methods have problems in generalizability across diverse patient datasets and are sensitive to artifacts, making it difficult to provide reliable DoA assessments in real time. …”
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  2. 322

    Design tasks and their complexity for the European Train Control System with Hybrid Train Detection by Stefan Engels, Tom Peham, Judith Przigoda, Nils Przigoda, Robert Wille

    Published 2025-01-01
    “…However, although first approaches exist that solve design problems arising within ETCS L2 HTD, neither formal descriptions nor results on the computational complexity of the corresponding design tasks exist. …”
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  3. 323

    Complexity Assessment in Projects Using Small-World Networks for Risk Factor Reduction by Juan-Manuel Álvarez-Espada, José Luis Fuentes-Bargues, Alberto Sánchez-Lite, Cristina González-Gaya

    Published 2024-12-01
    “…These metrics are based on Boonstra and Reezigt’s studies on the dimensions and domains of complex projects. These two metrics have been combined to create a Global Complexity Index (GCI) for measuring project complexity under uncertainty using fuzzy logic. …”
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  4. 324

    Think, Solve, Win: The Open Middle Game by Nuno Bastos, Andreia Hall

    Published 2025-06-01
    “…It encourages students to persist through complex problems, reflect on their strategies, and develop confidence in their mathematical abilities. …”
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    Article
  5. 325

    Optimization of The Budget of The Industrial Complex Transformation Strategy Based on Neural Network Modeling by A. G. Boev, A. G. Puzakov, Yu. P. Anisimov

    Published 2022-06-01
    “…The analysis has been carried out and the problems of the current budget structure of the transformation strategies of the industrial complexes of Voronezh, Lipetsk, Kursk and a number of other regions have been identified. …”
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  6. 326

    An improved pelican optimization algorithm for function optimization and constrained engineering design problems by Haval Tariq Sadeeq, Araz Abrahim, Thamer Hameed, Najdavan Kako, Reber Mohammed, Dindar Ahmed

    Published 2025-01-01
    “…The Pelican optimization algorithm (POA) is a recently developed metaheuristic algorithm that simulates the hunting behavior of pelicans. In complex optimization problems, an POA may have slow convergence or fall in sub-optimal regions, especially in high complex ones. …”
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  7. 327

    AutoRL-Sim: Automated Reinforcement Learning Simulator for Combinatorial Optimization Problems by Gleice Kelly Barbosa Souza, André Luiz Carvalho Ottoni

    Published 2024-08-01
    “…However, this task can be complex because of the variety of possible configurations. …”
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  8. 328

    Distress, multimorbidity, and complex multimorbidity among Chinese and Korean American older adults. by Hannah Oh, Brittany N Morey, Yuxi Shi, Sunmin Lee

    Published 2024-01-01
    “…Multimorbidity (MM) was defined as having ≥2 chronic conditions. Complex multimorbidity (CMM) was defined as having ≥3 of the following body system disorders: circulation disorder, endocrine-metabolic disorder, cancer, anxiety or depression, breathing problem, and other health problems. …”
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  9. 329

    Russia and Iran in the South Caucasus: problems and prospects for cooperation in the field of energy security by A. K. Dudayti, J. Morshedloo, M. Abdollahi

    Published 2024-02-01
    “…In the context of the complex geopolitical situation that has developed in the South Caucasus in the post-Soviet period, the problems associated with the security of this region have become much more complicated. …”
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  10. 330

    The city from complex system theories. An approach to the study of Malaga urban area by Carlota Ángela Escudero Gallegos

    Published 2017-01-01
    “… For almost 100 years ago, many authors have understood that cities are the most complex artifacts built by humans. …”
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  11. 331

    Territorial Disputes and Problem of Border Demarcation of USSR (Russia) and China in 1960-1990 by A. P. Kostyuchenko

    Published 2017-02-01
    “…The article is devoted to problems of Russian-Chinese border demarcation. Russian-Chinese relations, with all its positive dynamics, are characterized by the presence of a number of acute problems, although somewhat moved “by the wayside” because of the more important bilateral priorities, have objectively high “destructive” potential. …”
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  12. 332

    The knowledge and perceptions regarding antibiotic stewardship of the interns rotating at the Bloemfontein Academic Complex by Anke Archer, Marna Blom, Renette de Lange, Esther Jansen van Vuuren, Theunis E. Kellerman, Samantha Potgieter, Gina Joubert

    Published 2021-10-01
    “…Background: Antibiotic resistance (ABR) is a global problem with the overuse of antibiotics accelerating this process. …”
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  13. 333

    Analyzing The Encountered Problems and Possible Solutions of Converting Relational Databases to Graph Databases by Ramazan Altın, A. Cumhur Kınacı

    Published 2022-06-01
    “…Relational database management systems have been used for storing data for a long time.However, these systems are insufficient to analyze the large and complex structure of the data. …”
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  14. 334

    Economic development of India in the post-colonial period: main features, problems, evolution by Alexander Stefanovich Ivashchenko

    Published 2023-04-01
    “…Not all countries of the Afro-Asian region, even today, have managed to solve this problem. However, among the third world countries there are also quite a few states that have succeeded. …”
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  15. 335

    A new index‐based hyper‐heuristic algorithm for global optimisation problems by Mohammad Reza Hasanzadeh, Farshid Keynia, Maliheh Hashemipour

    Published 2022-10-01
    “…Abstract In this research study, a new combination search algorithm, based on indexing its constituent processes, is proposed to solve global optimisation problems. As optimisation problems become more complex, especially real‐world problems, the use of higher‐performance algorithms has become essential. …”
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  16. 336
  17. 337

    Cluster Projective Synchronization of Fractional-Order Complex Network via Pinning Control by Li-xin Yang, Wan-sheng He, Fan-di Zhang, Jin-ping Jia

    Published 2014-01-01
    “…Synchronization is the strongest form of collective phenomena in complex systems of interacting components. In this paper, the problem of cluster projective synchronization of complex networks with fractional-order nodes based on the fractional-order differential equation stability theory is investigated. …”
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  18. 338

    Achieving Network Stability via Optimal Pinning Control in Weighted Complex Networks by Saber Jafarizadeh

    Published 2024-01-01
    “…Interconnected systems forming complex networks are ubiquitous in many man-made and natural phenomena. …”
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  19. 339

    Application of Complex Vector Current Regulator in Traction Permanent Magnet Synchronous Motor by TIAN Qing, HOU Xiaojun, ZHANG Caixia, ZHAO Anding

    Published 2018-01-01
    “…Moreover, the current and voltage have better steady-state and dynamic performance when the gears are added or shifted.…”
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  20. 340