Showing 201 - 220 results of 11,103 for search 'features problems', query time: 0.10s Refine Results
  1. 201

    On the problem of research schools in the library science by A. N. Vaneev, V. S. Kreydenko, V. A. Borodina, M. N. Kolesnikova, V. V. Orlov

    Published 2014-12-01
    “…Petersburg State University of Culture and Arts express their points of view on the problem of studying and definition of the library science research schools (RS). …”
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    Article
  2. 202

    RESEARCH OF CLASSIFICATION FEATURES OF THE FINANCIAL CONTROL by Knarik K. Arabyan

    Published 2016-08-01
    “…One of the major problems is an improvement of classification features in the financial control theory. …”
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    Article
  3. 203

    KHARKIV CYCLING INFRASTRUCTURE DEVELOPMENT FEATURES by Anna Sokolenko

    Published 2015-08-01
    “… The article focuses on cycling infrastructure development features in a number of European cities. The article outlines the main problems of a big city’s transport infrastructure and points out the advantages of a network of cycle paths and bike racks introduction to an urban space. …”
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    Article
  4. 204

    Feature selection algorithm based on XGBoost by Zhanshan LI, Zhaogeng LIU

    Published 2019-10-01
    “…Feature selection in classification has always been an important but difficult problem.This kind of problem requires that feature selection algorithms can not only help classifiers to improve the classification accuracy,but also reduce the redundant features as much as possible.Therefore,in order to solve feature selection in the classification problems better,a new wrapped feature selection algorithm XGBSFS was proposed.The thought process of building trees in XGBoost was used for reference,and the importance of features from three importance metrics was measured to avoid the limitation of single importance metric.Then the improved sequential floating forward selection (ISFFS) was applied to search the feature subset so that it had high quality.Compared with the experimental results of eight datasets in UCI,the proposed algorithm has good performance.…”
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    Article
  5. 205

    Feature selection algorithm based on XGBoost by Zhanshan LI, Zhaogeng LIU

    Published 2019-10-01
    “…Feature selection in classification has always been an important but difficult problem.This kind of problem requires that feature selection algorithms can not only help classifiers to improve the classification accuracy,but also reduce the redundant features as much as possible.Therefore,in order to solve feature selection in the classification problems better,a new wrapped feature selection algorithm XGBSFS was proposed.The thought process of building trees in XGBoost was used for reference,and the importance of features from three importance metrics was measured to avoid the limitation of single importance metric.Then the improved sequential floating forward selection (ISFFS) was applied to search the feature subset so that it had high quality.Compared with the experimental results of eight datasets in UCI,the proposed algorithm has good performance.…”
    Get full text
    Article
  6. 206

    FEATURES AND PERSPECTIVES OF THE DEVELOPMENT OF ELECTRONIC COMMERCE by E. Bratischeva, I. Chepurova, A. Gladysheva

    Published 2022-02-01
    “…We examined the current problems of e-commerce and suggested solutions, revealed the features and main trends of the market. …”
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    Article
  7. 207
  8. 208

    Features of Design of Medical Electronic Devices by V. F. Alexeev, G. A. Piskun

    Published 2023-03-01
    “…The design features of medical electronic devices are considered. …”
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    Article
  9. 209
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  11. 211

    Hepatocellular carcinoma and features of its development by R. A. Zubkov, K. N. Zabobonin, E. V. Simonova, E. R. Zubkova

    Published 2025-02-01
    “…Hepatocellular carcinoma is one of the most difficult medico-societal and economic problems in the world. In spite of profound studies in this sphere, hepatocellular carcinoma continuous to take a leading position among oncological diseases. …”
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    Article
  12. 212

    Obligatory insurance system: concept and features by A. E. Apanasenko

    Published 2023-01-01
    “…The author characterizes the functional subsystems included in the structure of obligatory insurance and defines their features. The relevance of the research topic of this article is determined by the fact that obligatory insurance in Russia is a growing type of financial activity that contributes to the economic stability of society. …”
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    Article
  13. 213

    Psychosemantic Features of Professional Consciousness of Engineers by Olha Drobot

    Published 2019-04-01
    “…This article presents results of an empiric study of psychosemantic features of professional consciousness of engineers: the associative structure of key professional notions has been determined, and its key properties have been revealed. …”
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    Article
  14. 214

    Features of constrained radial form turning by D. V. Moiseev, A. A. Ryzhkin

    Published 2018-06-01
    “…The radial profile turning features are compared with the conventional turning by a straight tool with a fixed shear area. …”
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    Article
  15. 215
  16. 216

    The essence, features and stages in the development of urbanization by L.V. Sergienko, K.M. Voitsitska

    Published 2019-12-01
    “…It is established that urbanization is a complex global process that influences the socio-economic development of regions, and its characteristic features are defined. The stages of development of urbanization are identified and their characteristics are carried out. …”
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    Article
  17. 217

    Linguopragmatic Features of Comments in the Arabic Blogosphere by G.G. Zaynullin, A.M. Khabibullina

    Published 2016-12-01
    “…The linguopragmatic features of web comments have been singled out in this paper. …”
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    Article
  18. 218
  19. 219

    FEATURES OF IMPLEMENTATION OF MANAGEMENT INNOVATIONS BY IT ENTREPRENEURS by Stanislav A. Horbachenko

    Published 2021-06-01
    “…The application of cloud technologies for the implementation of management innovations in the IT field and the introduction of service consulting, which is a comprehensive solution of business problems of the client based on an individual approach. …”
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    Article
  20. 220

    Personnel management features of medical institutions by Olena Pavlenko, Vitalii Sukalenko, Oleksii Shkulipa, Meena Sunildutt Sharma

    Published 2021-03-01
    “…The relevance of solving this scientific problem is a need to regulate the organization's personnel policy. …”
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    Article