Subjects -> MATHEMATICS (Total: 1013 journals)
    - APPLIED MATHEMATICS (92 journals)
    - GEOMETRY AND TOPOLOGY (23 journals)
    - MATHEMATICS (714 journals)
    - MATHEMATICS (GENERAL) (45 journals)
    - NUMERICAL ANALYSIS (26 journals)
    - PROBABILITIES AND MATH STATISTICS (113 journals)

MATHEMATICS (714 journals)                  1 2 3 4 | Last

Showing 1 - 200 of 538 Journals sorted alphabetically
Abakós     Open Access   (Followers: 3)
Abhandlungen aus dem Mathematischen Seminar der Universitat Hamburg     Hybrid Journal   (Followers: 2)
Accounting Perspectives     Full-text available via subscription   (Followers: 4)
ACM Transactions on Algorithms (TALG)     Hybrid Journal   (Followers: 13)
ACM Transactions on Computational Logic (TOCL)     Hybrid Journal   (Followers: 5)
ACM Transactions on Mathematical Software (TOMS)     Hybrid Journal   (Followers: 6)
ACS Applied Materials & Interfaces     Hybrid Journal   (Followers: 39)
Acta Applicandae Mathematicae     Hybrid Journal   (Followers: 2)
Acta Mathematica Hungarica     Hybrid Journal   (Followers: 3)
Acta Mathematica Sinica, English Series     Hybrid Journal   (Followers: 5)
Acta Mathematica Vietnamica     Hybrid Journal  
Acta Mathematicae Applicatae Sinica, English Series     Hybrid Journal  
Advanced Science Letters     Full-text available via subscription   (Followers: 9)
Advances in Applied Clifford Algebras     Hybrid Journal   (Followers: 5)
Advances in Catalysis     Full-text available via subscription   (Followers: 7)
Advances in Complex Systems     Hybrid Journal   (Followers: 10)
Advances in Computational Mathematics     Hybrid Journal   (Followers: 20)
Advances in Decision Sciences     Open Access   (Followers: 4)
Advances in Difference Equations     Open Access   (Followers: 2)
Advances in Fixed Point Theory     Open Access  
Advances in Geosciences (ADGEO)     Open Access   (Followers: 19)
Advances in Linear Algebra & Matrix Theory     Open Access   (Followers: 9)
Advances in Materials Science     Open Access   (Followers: 19)
Advances in Mathematical Physics     Open Access   (Followers: 5)
Advances in Mathematics     Full-text available via subscription   (Followers: 19)
Advances in Numerical Analysis     Open Access   (Followers: 4)
Advances in Operations Research     Open Access   (Followers: 13)
Advances in Operator Theory     Hybrid Journal  
Advances in Pure Mathematics     Open Access   (Followers: 8)
Advances in Science and Research (ASR)     Open Access   (Followers: 8)
Aequationes Mathematicae     Hybrid Journal   (Followers: 2)
African Journal of Educational Studies in Mathematics and Sciences     Full-text available via subscription   (Followers: 7)
African Journal of Mathematics and Computer Science Research     Open Access   (Followers: 5)
Afrika Matematika     Hybrid Journal   (Followers: 2)
Air, Soil & Water Research     Open Access   (Followers: 6)
AKSIOMATIK : Jurnal Penelitian Pendidikan dan Pembelajaran Matematika     Open Access  
Al-Jabar : Jurnal Pendidikan Matematika     Open Access  
Al-Qadisiyah Journal for Computer Science and Mathematics     Open Access   (Followers: 2)
AL-Rafidain Journal of Computer Sciences and Mathematics     Open Access   (Followers: 3)
Algebra and Logic     Hybrid Journal   (Followers: 7)
Algebra Colloquium     Hybrid Journal   (Followers: 1)
Algebra Universalis     Hybrid Journal   (Followers: 2)
Algorithmic Operations Research     Open Access   (Followers: 5)
Algorithms     Open Access   (Followers: 13)
Algorithms Research     Open Access   (Followers: 1)
American Journal of Computational and Applied Mathematics     Open Access   (Followers: 8)
American Journal of Mathematical Analysis     Open Access   (Followers: 1)
American Journal of Mathematical and Management Sciences     Hybrid Journal  
American Journal of Mathematics     Full-text available via subscription   (Followers: 8)
American Journal of Operations Research     Open Access   (Followers: 6)
American Mathematical Monthly     Full-text available via subscription   (Followers: 3)
An International Journal of Optimization and Control: Theories & Applications     Open Access   (Followers: 12)
Analele Universitatii Ovidius Constanta - Seria Matematica     Open Access  
Analysis and Applications     Hybrid Journal   (Followers: 2)
Analysis and Mathematical Physics     Hybrid Journal   (Followers: 9)
Anargya : Jurnal Ilmiah Pendidikan Matematika     Open Access  
Annales Mathematicae Silesianae     Open Access  
Annales mathématiques du Québec     Hybrid Journal   (Followers: 3)
Annales Universitatis Mariae Curie-Sklodowska, sectio A – Mathematica     Open Access   (Followers: 1)
Annales Universitatis Paedagogicae Cracoviensis. Studia Mathematica     Open Access  
Annali di Matematica Pura ed Applicata     Hybrid Journal   (Followers: 1)
Annals of Combinatorics     Hybrid Journal   (Followers: 3)
Annals of Data Science     Hybrid Journal   (Followers: 14)
Annals of Functional Analysis     Hybrid Journal   (Followers: 2)
Annals of Mathematics     Full-text available via subscription   (Followers: 4)
Annals of Mathematics and Artificial Intelligence     Hybrid Journal   (Followers: 16)
Annals of PDE     Hybrid Journal  
Annals of Pure and Applied Logic     Open Access   (Followers: 4)
Annals of the Alexandru Ioan Cuza University - Mathematics     Open Access   (Followers: 1)
Annals of the Institute of Statistical Mathematics     Hybrid Journal   (Followers: 1)
Annals of West University of Timisoara - Mathematics     Open Access   (Followers: 1)
Annuaire du Collège de France     Open Access   (Followers: 6)
ANZIAM Journal     Open Access   (Followers: 1)
Applicable Algebra in Engineering, Communication and Computing     Hybrid Journal   (Followers: 3)
Applications of Mathematics     Hybrid Journal   (Followers: 2)
Applied Categorical Structures     Hybrid Journal   (Followers: 4)
Applied Computational Intelligence and Soft Computing     Open Access   (Followers: 16)
Applied Mathematics     Open Access   (Followers: 7)
Applied Mathematics     Open Access   (Followers: 6)
Applied Mathematics & Optimization     Hybrid Journal   (Followers: 11)
Applied Mathematics - A Journal of Chinese Universities     Hybrid Journal   (Followers: 1)
Applied Mathematics and Nonlinear Sciences     Open Access  
Applied Mathematics Letters     Full-text available via subscription   (Followers: 1)
Applied Mathematics Research eXpress     Hybrid Journal   (Followers: 1)
Applied Network Science     Open Access   (Followers: 2)
Applied Numerical Mathematics     Hybrid Journal   (Followers: 4)
Applied Spatial Analysis and Policy     Hybrid Journal   (Followers: 5)
Arab Journal of Mathematical Sciences     Open Access   (Followers: 3)
Arabian Journal of Mathematics     Open Access   (Followers: 1)
Archive for Mathematical Logic     Hybrid Journal   (Followers: 3)
Archive of Applied Mechanics     Hybrid Journal   (Followers: 4)
Archive of Numerical Software     Open Access  
Archives of Computational Methods in Engineering     Hybrid Journal   (Followers: 5)
Armenian Journal of Mathematics     Open Access  
Arnold Mathematical Journal     Hybrid Journal   (Followers: 1)
Artificial Satellites     Open Access   (Followers: 21)
Asia-Pacific Journal of Operational Research     Hybrid Journal   (Followers: 3)
Asian Journal of Algebra     Open Access   (Followers: 1)
Asian Research Journal of Mathematics     Open Access  
Asian-European Journal of Mathematics     Hybrid Journal   (Followers: 2)
Australian Mathematics Teacher, The     Full-text available via subscription   (Followers: 7)
Australian Primary Mathematics Classroom     Full-text available via subscription   (Followers: 4)
Australian Senior Mathematics Journal     Full-text available via subscription   (Followers: 1)
Automatic Documentation and Mathematical Linguistics     Hybrid Journal   (Followers: 5)
Axioms     Open Access   (Followers: 1)
Baltic International Yearbook of Cognition, Logic and Communication     Open Access   (Followers: 2)
Banach Journal of Mathematical Analysis     Hybrid Journal  
Basin Research     Hybrid Journal   (Followers: 7)
BIBECHANA     Open Access  
Biomath     Open Access  
BIT Numerical Mathematics     Hybrid Journal  
Boletim Cearense de Educação e História da Matemática     Open Access  
Boletín de la Sociedad Matemática Mexicana     Hybrid Journal  
Bollettino dell'Unione Matematica Italiana     Full-text available via subscription  
British Journal for the History of Mathematics     Hybrid Journal   (Followers: 1)
British Journal of Mathematical and Statistical Psychology     Full-text available via subscription   (Followers: 17)
Buletinul Academiei de Stiinte a Republicii Moldova. Matematica     Open Access   (Followers: 1)
Bulletin des Sciences Mathamatiques     Full-text available via subscription   (Followers: 3)
Bulletin of Dnipropetrovsk University. Series : Communications in Mathematical Modeling and Differential Equations Theory     Open Access   (Followers: 2)
Bulletin of Mathematical Sciences     Open Access   (Followers: 1)
Bulletin of Symbolic Logic     Full-text available via subscription   (Followers: 4)
Bulletin of Taras Shevchenko National University of Kyiv. Series: Physics and Mathematics     Open Access  
Bulletin of the Australian Mathematical Society     Full-text available via subscription   (Followers: 2)
Bulletin of the Brazilian Mathematical Society, New Series     Hybrid Journal  
Bulletin of the Iranian Mathematical Society     Hybrid Journal  
Bulletin of the London Mathematical Society     Hybrid Journal   (Followers: 3)
Bulletin of the Malaysian Mathematical Sciences Society     Hybrid Journal  
Cadernos do IME : Série Matemática     Open Access  
Calculus of Variations and Partial Differential Equations     Hybrid Journal  
Canadian Journal of Mathematics / Journal canadien de mathématiques     Hybrid Journal  
Canadian Journal of Science, Mathematics and Technology Education     Hybrid Journal   (Followers: 20)
Canadian Mathematical Bulletin     Hybrid Journal  
Carpathian Mathematical Publications     Open Access  
Catalysis in Industry     Hybrid Journal  
CAUCHY     Open Access   (Followers: 1)
CEAS Space Journal     Hybrid Journal   (Followers: 6)
CHANCE     Hybrid Journal   (Followers: 5)
Chaos, Solitons & Fractals     Hybrid Journal   (Followers: 1)
Chaos, Solitons & Fractals : X     Open Access   (Followers: 1)
ChemSusChem     Hybrid Journal   (Followers: 7)
Chinese Annals of Mathematics, Series B     Hybrid Journal  
Chinese Journal of Catalysis     Full-text available via subscription   (Followers: 2)
Chinese Journal of Mathematics     Open Access  
Ciencia     Open Access  
CODEE Journal     Open Access  
Cogent Mathematics     Open Access   (Followers: 2)
Cognitive Computation     Hybrid Journal   (Followers: 2)
Collectanea Mathematica     Hybrid Journal  
College Mathematics Journal     Hybrid Journal   (Followers: 3)
COMBINATORICA     Hybrid Journal  
Combinatorics, Probability and Computing     Hybrid Journal   (Followers: 4)
Combustion Theory and Modelling     Hybrid Journal   (Followers: 18)
Commentarii Mathematici Helvetici     Hybrid Journal   (Followers: 1)
Communications in Combinatorics and Optimization     Open Access  
Communications in Contemporary Mathematics     Hybrid Journal  
Communications in Mathematical Physics     Hybrid Journal   (Followers: 2)
Communications On Pure & Applied Mathematics     Hybrid Journal   (Followers: 6)
Complex Analysis and its Synergies     Open Access   (Followers: 2)
Complex Variables and Elliptic Equations: An International Journal     Hybrid Journal  
Compositio Mathematica     Full-text available via subscription   (Followers: 1)
Comptes Rendus : Mathematique     Open Access  
Computational and Applied Mathematics     Hybrid Journal   (Followers: 3)
Computational and Mathematical Methods     Hybrid Journal  
Computational and Mathematical Methods in Medicine     Open Access   (Followers: 2)
Computational and Mathematical Organization Theory     Hybrid Journal   (Followers: 1)
Computational Complexity     Hybrid Journal   (Followers: 5)
Computational Mathematics and Modeling     Hybrid Journal   (Followers: 8)
Computational Mechanics     Hybrid Journal   (Followers: 11)
Computational Methods and Function Theory     Hybrid Journal  
Computational Optimization and Applications     Hybrid Journal   (Followers: 9)
Computers & Mathematics with Applications     Full-text available via subscription   (Followers: 9)
Confluentes Mathematici     Hybrid Journal  
Constructive Mathematical Analysis     Open Access  
Contributions to Discrete Mathematics     Open Access  
Contributions to Game Theory and Management     Open Access  
COSMOS     Hybrid Journal   (Followers: 1)
Cross Section     Full-text available via subscription   (Followers: 1)
Cryptography and Communications     Hybrid Journal   (Followers: 11)
Cuadernos de Investigación y Formación en Educación Matemática     Open Access  
Cubo. A Mathematical Journal     Open Access  
Current Research in Biostatistics     Open Access   (Followers: 8)
Czechoslovak Mathematical Journal     Hybrid Journal  
Daya Matematis : Jurnal Inovasi Pendidikan Matematika     Open Access  
Demographic Research     Open Access   (Followers: 14)
Design Journal : An International Journal for All Aspects of Design     Hybrid Journal   (Followers: 33)
Desimal : Jurnal Matematika     Open Access  
Dhaka University Journal of Science     Open Access  
Differential Equations and Dynamical Systems     Hybrid Journal   (Followers: 2)
Differentsial'nye Uravneniya     Open Access  
Digital Experiences in Mathematics Education     Hybrid Journal   (Followers: 2)
Discrete Mathematics     Hybrid Journal   (Followers: 8)
Discrete Mathematics & Theoretical Computer Science     Open Access   (Followers: 1)
Discrete Mathematics, Algorithms and Applications     Hybrid Journal   (Followers: 2)
Discussiones Mathematicae - General Algebra and Applications     Open Access  
Discussiones Mathematicae Graph Theory     Open Access   (Followers: 1)
Diskretnaya Matematika     Full-text available via subscription  
Doklady Akademii Nauk     Open Access  
Doklady Mathematics     Hybrid Journal  
Eco Matemático     Open Access  
Econometrics     Open Access   (Followers: 2)

        1 2 3 4 | Last

Similar Journals
Journal Cover
Automatic Documentation and Mathematical Linguistics
Number of Followers: 5  
 
  Hybrid Journal Hybrid journal (It can contain Open Access articles)
ISSN (Print) 1934-8371 - ISSN (Online) 0005-1055
Published by Springer-Verlag Homepage  [2469 journals]
  • An Adaptive Data-Exchange System

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      Abstract: Problems in constructing a data-exchange system for hardware and software systems are considered. The structure of an autonomous adaptive self-synchronizing input/output system invariant to various hardware configurations is presented. The system is implemented within the object-oriented approach.
      PubDate: 2022-02-01
       
  • Indexing Languages for Digital Humanities

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      Abstract: — This article considers the possibilities of using a specialized taxonomy of digital humanities (DH) as an indexing and search tool for the Digital Humanities Reference and Information System. The application of the Russian State Classifier of Scientific and Technical Information (GRNTI) to the task of describing the topic structure of DH has been tested, with the conclusion that the classifier requires substantial revision in order to be used for this purpose. A typology of DH objects is proposed. A list of DH keywords obtained by indexing an experimental array of DH objects is provided.
      PubDate: 2022-02-01
       
  • Predicting the Development of Scientific Trends on the Basis of Analysis
           of Conflicts between Fields of Knowledge

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      Abstract: General ideas about the structure and types of conflicts are systematized. The typology of scientific conflicts is supplemented with the concept of a conflict between fields of knowledge. A classification of conflict situations in science along the lines of demarcation between fields of knowledge is carried out. The interrelation of ways to end conflicts between fields of knowledge and conflict situations is indicated. A methodology for predicting the outcomes of knowledge conflicts based on heuristics has been developed. Tuple notation is used to record the format of data structures at the input and output of the predicting procedure.
      PubDate: 2022-02-01
       
  • Prospective Scientific Research Trend Identification Methods (Based on the
           Analysis of Gas Fuel-Related Publications)

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      Abstract: This article reviews prospective scientific research-trend identification methods based on the analysis of scientific publications focused on compressed natural gas. The methods for identifying publication directions and patterns by popularity of separate topics within one subject area are presented. The materials used in the article consist of scientific research on natural gas available in citation databases of Russian Science Citation Index (RSCI), Scopus, and Web of Science and the data from the EGISU R&D system of Russian researches. The results were processed in the VOSviewer software.
      PubDate: 2022-02-01
       
  • Structural and Functional Modeling of Processes with a Dedicated Control
           Subject

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      Abstract: — The efficiency of informational support depends on the speed and quality of making management decisions, as well as their relevance and adaptability to changing conditions, which determine the efficiency of the functioning of production systems. The paper considers the development of artifacts to represent structural and functional models of organizational systems described by the set of interacting processes and subprocesses functioning under uncertainty. The creation of a new system of artifacts is caused by the necessity to distinguish the subject of management in an explicit form combining discrete and continuous processes within the framework of one model, as well as determining the efficiency of the obtained models. The eEPC, BPMN, and IDEF methodology of structural modeling served as a basis for this development. The use of the proposed system of artifacts is shown using the example of managing the product portfolio of production systems operating on a free market. The presented form of representation allows one to structure the running processes and investigate their efficiency by the methods of simulation modeling and statistical analysis.
      PubDate: 2022-02-01
       
  • On the Incorrect Use of Citation Indices for Assessment by Comparison of
           Divisions of Science

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      Abstract: The well-known inaccuracy of assessments of the contribution of scientists, organizations, and countries, as well as the half-life of publications and the number of articles and their citations by sections of science when using indexing and citation platforms (using the example of Web of Science) is discussed. This inaccuracy is explained by the fact, that on these platforms, journals are classified by thematic category, while the objects of calculations require classification by articles. The distribution of articles on specific topics among journals is uneven and obeys the Bradford dispersion law, which is not taken into account. It turns out that it is impossible to correct the results of such calculations. The way out is seen in the use of abstract journals for them, in which articles are indexed by headings.
      PubDate: 2022-02-01
       
  • Information Analysis of the Representation of Women on Bank Boards of
           Directors (with Data from Scopus)

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      Abstract: International research devoted to the representation of women on bank boards of directors is growing rapidly and consideration of the representative set of publications allows summarizing their results. Information analysis of 104 articles published in international scientific journals reveals their thematic diversity and allows one to establish thematic and geographic biases in this research theme.
      PubDate: 2021-11-01
      DOI: 10.3103/S0005105521060078
       
  • The Problems and Methods of Automatic Text Document Classification

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      Abstract: This paper gives a review of the main problems and methods of automatic text classification. It focuses on problems such as the choice of source linguistic material, neutralization of discrepancies in texts sizes, application of distance-based and dictionary-based approaches to the classification, reduction of texts dimensionality, creation of dictionaries, adequate term weighting, and the training and functioning of a classifier program. The author describes the procedures of texts undersampling and logarithmic alignment and algorithms for computing the cosine similarity measure and the Z-score in a comprehensible form. This paper describes the peculiarities of the use of Bayes theorem for the purposes of parts-of-speech classification and spam filtering.
      PubDate: 2021-11-01
      DOI: 10.3103/S0005105521060030
       
  • Information as a Product of Collapsing Consciousness (Quantum Model)

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      Abstract: — This article considers the role of consciousness in the formation of information images in accordance with the new energy-based paradigm of informatics. A quantum model of the emergence of an information image in the consciousness of an observer based on the quantum mechanics concept of wave function collapse is presented.
      PubDate: 2021-11-01
      DOI: 10.3103/S0005105521060042
       
  • The Formalized Heuristics for Typological Analysis of Society

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      Abstract: This paper deals with the problems of formalizing research heuristics used in the process of empirical typologization of social objects or phenomena. To solve these problems, the means of the JSM method of automated research support are used. The results of the study of helping behavior, including various forms of corporate and individual volunteering, are presented. Significant differences in some determinant factors of helping behavior are revealed. Recommendations for the social policy of companies in relation to the volunteer activities of employees are proposed.
      PubDate: 2021-11-01
      DOI: 10.3103/S0005105521060066
       
  • The European Project in the Materials Informatics Domain: Ontologies and
           Virtual Platforms

    • Free pre-print version: Loading...

      Abstract: Abstract—The European experience in creating a large-scale infrastructure that provides material modeling tasks during the development of new technologies is considered. The infrastructure combines information and computing resources and numerous services that allow one to apply a new business model in the field of high technology. The leading role in the organization of such an infrastructure is played by a system of ontologies for standardization of the conceptual apparatus appearing in the documents, models and software used. The main ideas in the implementation of modeling are systematized through the European Materials Modeling Ontology (EMMO), which is capable of expanding and covering new objects and research methods. The unique standards that underlie ontologies and cover almost all types of material objects, from atoms up to building materials, are described.
      PubDate: 2021-11-01
      DOI: 10.3103/S0005105521060029
       
  • Promising Directions of Information Activities of the All-Russian
           Institute for Scientific and Technical Information of the Russian Academy
           of Sciences

    • Free pre-print version: Loading...

      Abstract: — The directions of development and implementation of a new scientific and information policy of development of the All-Russian Institute for Scientific and Technical Information of the Russian Academy of Sciences are considered. The main goal is to show the potential capabilities of the Institute as a multifunctional information center that widely uses modern information and telecommunication technologies and electronic information resources. Promising approaches to deeper information processing and multidimensional analysis of accumulated data, as well as the possibilities of creating relevant types of information products and services oriented to support decisions in scientific, technical, and industrial spheres and, indirectly, in the economy as a whole are shown.
      PubDate: 2021-11-01
      DOI: 10.3103/S000510552106008X
       
  • The Publication Activities of Russian Scientists in the Field of Medicine
           and Healthcare in Comparison with World Trends (1993–2019)

    • Free pre-print version: Loading...

      Abstract: The dynamics of the publication activities of Russian scientists in the field of medicine and healthcare are analyzed for an almost 30-year period (1993–2019). The thematic spectrum of Russian studies in this area was compared with the corresponding spectrum of world studies based on the data of Web of Science. The comparison was performed using Kendall’s rank correlation coefficient, as well as using additional assessment methods, including the level of international co-authorship.
      PubDate: 2021-09-01
      DOI: 10.3103/S0005105521050022
       
  • Models for Assessing the Security of Network Information Systems against
           Negative External Influences

    • Free pre-print version: Loading...

      Abstract: — The structure of an intelligent information system that has been designed to protect the network information system from unauthorized external influences by various parrying means is described. The conditions for the stable functioning of the network information system are presented. An optimization problem has been formulated, which consists in the need to minimize the negative external influence on the network information system using parrying means of the designed intelligent information system. This problem has been divided into four subproblems, analytical models have been created for their solution, algorithms have been developed, and two examples of analytical solutions of problems of optimal distribution of negative external influences by the elements of the network information system without taking the mutual influence of system elements into account and taking them into account are shown.
      PubDate: 2021-09-01
      DOI: 10.3103/S0005105521050071
       
  • The Model of Effective Management in the Formation of a Production
           Portfolio

    • Free pre-print version: Loading...

      Abstract: This paper considers the issues related to the generation and assessment of the efficiency of alternative solutions in the portfolio management of production systems (PSs), as well as algorithms for generating alternative project portfolios under the invariance of their production, components, and materials, and the construction and ranking of PS evolution trajectories by taking the structure of project portfolio and requirements for resources and speed of evolution of such systems into consideration. A system of notations for the description of the procedural model of project portfolio management, which can be implemented by algorithmic means, has been proposed.
      PubDate: 2021-09-01
      DOI: 10.3103/S0005105521050034
       
  • Webometric Ranking of Library Sites in the World

    • Free pre-print version: Loading...

      Abstract: Abstract—This article presents the results of a webometric study of 461 library websites of the global web space (98 countries). The main attention in the work is paid to indicators of presence in the world wide web, such as the number of web pages, full-text files, and backlink indicators. The result of the study was the ranking of library sites for 3 years (2018–2020), the first place in which is consistently occupied by the site of the Library of Congress (Washington, United States). The leading position in the Russian segment were held by the site of the Russian National Library in the first 2 years, which was displaced later by the Vologda Regional Universal Scientific Library.
      PubDate: 2021-09-01
      DOI: 10.3103/S0005105521050083
       
  • A Process Control Methodology Based on Digital Twins of Production System
           Objects

    • Free pre-print version: Loading...

      Abstract: Abstract We propose a methodology for building digital twins for the management of production systems. The digital twin consists of invariant and variable parts. The variable part is associated with industry-specific features of the subject area. A theoretical and quantitative mathematical description of the elements of the digital twin model is proposed. On the basis of predicate calculus a mathematical model for search of a problem situation and development of management actions is proposed.
      PubDate: 2021-09-01
      DOI: 10.3103/S0005105521050046
       
  • Research and Development in Artificial Intelligence Today: The Classics
           are Mainstream Again'

    • Free pre-print version: Loading...

      Abstract: — The current needs for knowledge representation and reasoning formalization tools in artificial intelligence (AI) as a field of research and development are discussed. A number of new problems are presented for further study.
      PubDate: 2021-09-01
      DOI: 10.3103/S0005105521050058
       
  • The Quartile Index in Scientometrics

    • Free pre-print version: Loading...

      Abstract: Abstract— The popularity of the use of the quartile index in various fields of knowledge is shown; the first mention dates back to the work of R. Kempton and L. Taylor on population biology, published in 1976 in the journal Nature. This index was proposed for the first time for scientometrics in 2019 by the historian A.V. Grinev from St. Petersburg. A number of improvements have been made to this index for the purpose of monitoring and evaluating the qualitative structure of publications by authors and any subjects of publication activity. It shows its significant advantage over Hirsch-like metrics and gives recommendations for its implementation in national and institutional systems for assessing the quality of publication activity.
      PubDate: 2021-07-01
      DOI: 10.3103/S0005105521040063
       
  • The Obsolescence of Cited and Citing Journals: Half-Lives and Their
           Connection to Other Bibliometric Indicators

    • Free pre-print version: Loading...

      Abstract: — This study analyzes the half-lives of all journals from the 1997–2018 period that were included in the Journal Citation Reports (JCR): Science (JCR-SE) and Social Sciences (JCR-SSE) JCR Editions, and in some narrower branches of science specially distinguished on the basis of WoS subject categories. The findings show that the values of the Cited Half-Life (CdHL) and Citing Half-Life (CgHL) indicators are almost always positive over the entire 22-year study period and for the entire global body of journals in the JCR, individual JCR editions, and each of the specially compiled sets of All Journals and Core Journals. They confirm the long-established fact that the CdHL and CgHL depend on the branch of science and characterize that branch and demonstrate that half-life values for social sciences and humanities are generally higher than for hard sciences. A correlation between half-life values and journal impact factors and numbers of Citable Items (articles, reviews, and conference proceedings that can be cited) is clearly shown. These features of half-lives are important to consider when goal setting and forecasting the development of scientific research.
      PubDate: 2021-07-01
      DOI: 10.3103/S0005105521040026
       
 
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