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Published since 1998
ISSN 1562-5419
16+
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How the Latest Release Date of Publication is Formed in Bibliographic Reference "On the Fly"

Mikhail Mikhailovich Gorbunov-Posadov
554-565
Abstract:

The scientific work posted on the Internet, which its author constantly keeps up to date, will be called an alive publication. The genre of alive publishing has many attractive features. However, it requires a certain expansion of the composition of the meta-attributes of the publication: along with the traditional attributes, the date of the appearance of the new, fresh edition is brought to the fore here. Such date is placed in a prominent place in the text of the publication. Along with this, it becomes highly desirable to include such a dynamically ("on the fly") generated date in a bibliographic link to an alive publication. The currently used methods of dynamic extraction of this date are considered for a simple online publication, for a publication that has received a DOI through Crossref, and for a publication posted in arXiv.org.

Keywords: alive publication, dynamic component of the bibliographic reference, the latest revision date, Crossref, arXiv.org, Preprints.org.

Russian Scientific Publication — 2019

Mikhail Mikhailovich Gorbunov-Posadov
382-389
Abstract: The article presents the events that took place last year in the world of Russian scientific publications. There is a slow slide towards paid access of some academic journals turned in open access in 2018. The European Union has announced plan "S" for the mass transition of scientific journals to open access. New models of the scientific publication are introducing. Reporting on publications requested by the Ministry of education and science in 2019 does not take into account the size of the readership of the article. Neither the Ministry of education and science, nor the Higher Attestation Commission (HAC) does not encourage publication in the public domain. In Russian Science Citation Index began the fight against widespread fraudulent trade in references to the article, but the HAC is not interested in this activity. A proliferation of contradictory the term "self-plagiarism" has spread. This label is widely stigmatized authors and journals for repeated publications.
Keywords: open access, plan "S" administrative assessment of article, serial publications, online reader, h-index, Dissernet, self-plagiarism.

Alive Publications are Gaining Popularity

Mikhail Mikhailovich Gorbunov-Posadov
819-829
Abstract:

An alive publication is a new genre for presenting the results of scientific research, which means that scientific work is published online, and then constantly developing and improving by its author. Serious errors and typos are no longer fatal, nor do they haunt the author for the rest of his or her life. The reader of an alive publication knows that the author is constantly monitoring changes occurring in this branch of science. Meanwhile at present, the Russian author who supports an alive publication is dramatically losing out on many generally accepted bibliometric indicators. The alive publication encourages the development of the bibliography apparatus. Each bibliographic reference will soon have to contain such important for the reader updating on-the-fly attribute as date of the last revision of alive publication. It is to be expected that as the alive publication spreads over to the scientific world, the author's concern for the publication's evolution will become like a parent's care for the development of a child. The Internet will be filled with scientific publications that do not lose their relevance over time.

Keywords: scientific publication, dynamic content, article versions, last updated date.

Authors Identification within the Subject Area in the Semantic Library

Olga Muratovna Ataeva, Vladimir Alekseevich Serebriakov, Natalia Pavlovna Tuchkova
198-217
Abstract:

The peculiarities of the task of authors identifying and determining author's contribution to publications in digital bibliographic codes are considered. The features of the problem of insufficient identification are manifested in the repetition of information, doubling, the presence of authors with completely coincidental names, self-quotation, autoplagiate and plagiarism itself. It is proposed to use publication information that has already been accumulated in the digital library in the form of related object area data and a variety of target thesaurus data, as the author and user of the library. This information contains links whereby keyword contexts, multiple co-authors, and term associations in dictionaries and thesauruses can be used to identify authorship. It is important that an array of scientific publications is considered, since they have an established traditional structure, which allows comparing fixed text elements (annotations, keywords, classifier codes, etc.). Thus, even if the names in the publications are fully matched, the question of authorship can be raised if the publications in the digital library correspond to different subject areas. Resolution of such contradictions is accomplished by evaluating a plurality of links of all elements of secondary publication information. The result of the comparison could be the addition of the author to a specific area, i.e. the extension of the addressee's thesaurus and the author's personal thesaurus, or the appearance of full namesakes in the library, but from different areas of knowledge. It has been shown that modern data analysis tools allow you to evaluate the author's contribution to publication, despite the fact that of course, only the scientific community can evaluate the real contribution to scientific research.

Keywords: comparison of scientific texts, semantic search, thesaurus for the ontology of knowledge information, query using the thesaurus methods of authors identification, addressee thesaurus, secondary information, individual frequency dictionary, LibMeta.

Science Data Infrastructure for Access to Earth Observation Satellite Data

Е.Б. Кудашев
Abstract: Virtual research centre of digital preservation in Europe provides a natural basis for long-term consolidation of digital preservation research and expertise. Spatial Data Infrastructure will cover technical methods for preservation, access and most importantly re-use of data holdings over the whole lifecycle; legal and economic issues including costs and governance issues as well as digital rights; and outreach within and outside the consortium to help to create a discipline of data curators with appropriate qualifications. Main tasks of Spatial Data Infrastructure SDI development are building global infrastructure for IT and geodata; satellite information harmonization; usage of agreed upon set of standards; clear documentation describing the parts of the system; interoperability between independently created applications and databases; common standards within their interfaces, protocols and data formats; and finally support of a general data policy for data creation, access, and support of satellite information. Fundamental principle of Russian segment of SDI is providing interoperability – the ability of interaction for heterogeneous services and data catalogues within the bounds of a unified informational system. The Russian segment of distributed informational system has been built on the basis of EOLI-XML and SSE technologies.
Keywords: Science Data Infrastructure, e-Science, Earth Observation data, Scientific e-Infrastructure, Open Data Infrastructure, Data management.

A Model for Integrating the Publication and Preservation of Journal Articles

Хокинс Кевин С.
Abstract: There are policy, technical, and workflow gaps in library efforts to preserve online journal literature. Since libraries are increasingly involved in journal publishing, HathiTrust, a shared preservation-quality digital repository, is a natural place to archive and provide access to journal literature to ensure its long-term preservation and discoverability. The University of Michigan Library is funding the creation of mPach, an open-source, end-to-end publishing system in which archiving in HathiTrust happens as a byproduct of publication rather than being carried out after the fact. The architecture of mPach, its envisioned workflow, and plans for creating a shared infrastructure for publishing open-access journals are all summarized.
Keywords: magazines published online, digital repository HathiTrust, open-access journals, the system mPach of the complete a publication cycle.

Publishing the Data on Protected Sites in Linked Open Data Space

К.А. Кузнецов, В.А. Серебряков, К.Б. Теймуразов
Abstract: This article presents the framework that incorporates two modern trends in data publishing: Linked Open Data technologies and spatial data publishing technologies. The framework includes components for semantic data publishing from relational data sources, data integration and link generation. The SPARQL query answering algorithm that utilizes generated linksets is introduced. This article also presents the Protected Sites ontology for Linked Open Data Space, which follows INSPIRE recommendations and involves common RDF vocabularies.
Keywords: system integration of spatial data, Linked Open Data, RDF-sets of links, sub-system data publication, data binding.

Support System for the Selection of Information Sources in Citation Networks

Inna Gennadevna Olgina
76-96
Abstract:

With the advent of network science, it has become possible to explore complex network systems, including social and information networks, by presenting them as graph models. The exponential growth of the total volume of scientific publications determines the relevance of the tasks of analyzing their interrelations. In network science, models and methods related to the field of so-called citation networks are being developed to solve these problems. However, network metrics are not used when analyzing publications in citation databases. The paper considers the issues of creating a decision support system for the selection of information sources based on data on the citation of scientific publications. A software package has been developed for making decisions on determining an important publication in a certain thematic area. The software package is based on a method of ranking publications by importance based on the analysis of citation networks, which allows you to identify publications that do not clearly stand out when ranking based on known bibliometric indicators or known measures of centrality of nodes in their pure form. A study and comparative analysis of software for visualization and research of all types of graphs and social networks has been conducted. Studies have been carried out confirming the effectiveness of the proposed decision support system in the selection of information sources.

Keywords: citation network, publication, scientometry, decision support system, software architecture, network analysis, graph.

Semantic analysis of documents in the control system of digital scientific collections

Шамиль Махмутович Хайдаров
61-85
Abstract: Methods of the semantic documents parsing in digital control system of scientific collections, including electronic journals, offered. The methods of processing documents containing mathematical formulas and methods for the conversion of documents from the OpenXML-format in ТеХ-format considered. The search algorithm for the mathematical formulas in the collections of documents stored in OpenXML-format designed. The algorithm is implemented as online-service on platform science.tatarstan.
Keywords: semantic analysis, publishing systems.

Research of the Contexts of the Ecosystem of "Digital Tourism"

Olga Vital'evna Kononova , Dmitry Evgenievich Prokudin, Elena Nikolaevna Tupikina
339-370
Abstract:

Modern information and communication technologies, elements of digitalization are constantly and rapidly developing, which, in turn, has a direct impact on all spheres of human activity. In the light of recent events related to the collapse of the tourism business due to COVID-19, there is a great scientific interest in the service sector, namely in the field of "digital tourism". Digital tourism relies on the widespread adoption of new technologies such as social media and mobile technologies, smart devices and sensors to collect and use massive amounts of data to create new value propositions. In this regard, the authors set a goal – to present a review of the literature on "digital tourism" from the standpoint of scientific and media discourse. The authors present a comprehensive scientific approach, including the sequential implementation of all stages of the review, from the definition of the terminological core of the interdisciplinary direction, the formation of search queries, cascade search, selection and content analysis of materials to the identification and explication of contexts. The sources of information for preparing the review were publications from academic databases: Web of Science, Science-Direct, Scopus, GoogleScholar, eLibrary, Cyberleninka, as well as materials and publications in Russian-language media – Integrum.


The results obtained by the authors will be useful for scientists in identifying promising areas of research in the field of "digital tourism", as well as deepen their knowledge of mechanisms for searching, collecting and analyzing data and integrated and analytical environments.

Keywords: information and communication technology, digital transformations, digital tourism, eTourism, smart tourism.

Using the Co-Authority Graph for the Thematic Search of Conferences on Scientometric Data

Alexander Sergeevich Kozitsyn, Sergey Alexandrovich Afonin, Dmitry Alekseevich Shachnev
600-615
Abstract:

Thematic information search is used in various fields of activity. The use of thematic analysis tools to search for conferences allows you to increase the completeness of the search and coverage of conferences, helps to expand the circle of scientific communication of young scientists and the formation of closer scientific connections. The search algorithms developed by the authors use the co-authorship graph and the reference set of authors. The set can be obtained using methods of thematic search of experts or based on given samples. The developed algorithms are language insensitive and take into account the authority of conferences in the scientific community. Approbation was carried out on the data of the scientometric system IAS ISTINA.

Keywords: thematic search, bibliographic data, conference search, co-authorship graph, information systems, scientometrics.

Study results for the detection of matching content using citation analysis

Вадим Николаевич Гуреев, Николай Алексеевич Мазов
322-331
Abstract:

Translated plagiarism has widely spread in a scientific world and posed a serious problem due to the challenges in its automatic detection. However, in the last five years some progress has been observed in this area. The authors of this paper, as well as foreign research team from several universities independently of each other proposed an approach to detect plagiarism based on citation analysis with search of initial source for analyzed suspected paper with the same or similar references. Developed methods of detection of illegal use of borrowed text successfully passed several tests. The report shows the results that we have obtained in the last four years.

Keywords: detection of matching content, translated plagiarism, plagiarism detection, citation analysis, bibliographic database.

Архитектура и технологии RDFS-среды разработки цифровых библиотек и Web-порталов

А.А. Бездушный, А.К. Нестеренко, Т.М. Сысоев, А.Н. Бездушный, В.А. Серебряков
Abstract: В работе рассматривается общая архитектура новой версии системы ИСИР, опирающейся на открытые стандарты W3C: Semantic Web [SW], XML[XML] технологии, и на применение opensource решений. Архитектура позволяет разрабатывать распределённые объектно-ориентированные информационные системы - цифровые библиотеки, информационные и корпоративные порталы, сайты на базе различных типов хранилищ информации, таких как объектные и реляционные базы данных, LDAP-каталоги. Система параметризуется описанием объектной схемы данных конкретной предметной области и легко адаптируется к её изменениям. Для описания схемы используется W3C стандарт на описание схем Интернет ресурсов - RDFS. Архитектура имеет многоуровневую модульную организацию, каждый уровень имеет собственные цели и абстракции. Фундамент решения - ядро ИСИР - унифицирует механизмы работы с хранимыми объектными данными, предоставляет ряд услуг по управлению этими данными, например, разграничение прав доступа, журнализация изменений. На базе ядра строятся более высокоуровневые сервисы такие, как RDF/XML-обмен данными, репликация информации между репозиториями, атрибутно - полнотекстовая индексация данных и др. Имеются средства для простой и эффективной разработки пользовательских Web-интерфейсов. Средства публикации информации и построения отчётов применяют механизмы XSLT и поддерживают широкий спектр целевых форматов. Служба управления потоками работ по редактированию ресурсов репозиториев следует стандартам WfMC - канонической модели и языку спецификации потоков работ XPDL. Служба управления содержанием Web-сайта обеспечивает мульти - иерархическую каталогизацию слабоструктурированной информации, отличающейся нерегулярностью взаимосвязи ее элементов.

System for Creation, Support and Publishing of Digital Archives

А.Г. Марчук
Abstract: Digital Archives deal with digital copies of documents, photo, video, audio etc. Traditional form of digital document’s structuring is database based on metadata fields like Dublin Core. A new approach for digital archiving is presented in this paper. This approach consists from two parts: structuring not only documents, but also joint important information and second – following ideas and standards of Semantic Web to provide integration and interoperability of local domains of archive data. A platform solution was designed to support the approach. Several applied systems oriented on accumulation of historical documents and facts were build.
Keywords: digital archives of documents, Semantic Web, RDF, Factograph, ontology BONE, storage for documents.

Digital infrastructure of electronic scientific journal: automation of editorial and publishing process and system of services

Миляуша Салахутдиновна Галявиева, Александр Михайлович Елизаров, Евгений Константинович Липачёв
408-465
Abstract:

We investigated the current models of the publication and dissemination of scientific knowledge. We describe the modern information management system of scientific publications and services that determine their functionality.

We discuss the concept of the digital infrastructure of the electronic scientific journal. Under this infrastructure, we understand the complex that combines management software platform of electronic journal and a number of specialized information systems. The software platform realizes the basic operating log management processes. Information systems provide the operation of additional services, taking into account the specifics of the journal subject area.

We present an approach to the organization of the digital infrastructure of the scientific journal based on an open platform Open Journal Systems (OJS). We provide software services that extend the functionality of this platform and considering specificity of the subject area of scientific journals. We have created software modules for automating of electronic scientific journal workflow. These modules are an extension of OJS.

We present a system of services for the automated processing of collections of scientific documents. These services provide verification of document compliance to the accepted rules of formation of collections and their conversion to the established formats; structural analysis of documents and extraction of metadata, as well as their integration into the scientific information space. The system allows to automatically performing a set of operations that cannot be realized for acceptable time with the traditional manual processing of electronic content. It is designed for the large collections of scientific documents.

Algorithms style validation of texts at the article registration stage in the information system of electronic scientific journal, the selection of reviewers, alert and control the timing of reviewing were automated. Information gathering algorithm with dedicated news lines of scientific journals, further analysis and distribution of news by categories and degrees of importance were developed. The algorithm automatically extract bibliographic data from a homogeneous array of publications (in particular, the issues of the scientific journal) and the formation of metadata blocks for export to international information and analytical system were created. Methods integration of OJS platform and international databases of science citation were developed.

We present methods of processing documents containing mathematical formulas: in the collections of documents that contain mathematical formulas, algorithm for the search formulas is developed; basic ideas, approaches and results already obtained by the mathematical knowledge management based on ontology are presented; a method of constructing recommender systems based on mathematical knowledge ontologies described. The method of primary processing automated of scientific article using TеX-notation developed.

The new direction of researches of scientific communications in the environment of Web 2.0 – altmetrics – is considered. We have analyzed the content of the notion «altmetrics», we conducted a comparison of traditional (bibliometric and scientometric) and alternative indicators. We describe the use of world experience informetric services on scientific journals sites. We discussed options for implementing these approaches to create an electronic scientific journal management platform. 

Keywords: publishing systems, advanced models of publication and dissemination of scientific knowledge, the information society, electronic scientific journal, modern information management system of scientific publication, integration of electronic resources.

Procedure for Comparing Text Recognition Software Solutions For Scientific Publications by the Quality of Metadata Extraction

Ilia Igorevich Kuznetsov , Oleg Panteleevich Novikov, Dmitry Yurievich ILIN
654-680
Abstract:

Metadata of scientific publications are used to build catalogs, determine the citation of publications, and perform other tasks. Automation of metadata extraction from PDF files provides means to speed up the execution of the designated tasks, while the possibility of further use of the obtained data depends on the quality of extraction. Existing software solutions were analyzed, after which three of them were selected: GROBID, CERMINE, ScientificPdfParser. A procedure for comparing software solutions for recognizing texts of scientific publications by the quality of metadata extraction is proposed. Based on the procedure, an experiment was conducted to extract 4 types of metadata (title, abstract, publication date, author names). To compare software solutions, a dataset of 112,457 publications divided into 23 subject areas formed on the basis of Semantic Scholar data was used. An example of choosing an effective software solution for metadata extraction under the conditions of specified priorities for subject areas and types of metadata using a weighted sum is given. It was determined that for the given example CERMINE shows efficiency 10.5% higher than GROBID and 9.6% higher than ScientificPdfParser.

Keywords: text recognition, scientific publications, metadata, data extraction quality, procedure.

Опыт применения мультимедиа технологий при разработке CD-ROMов

Д.Л. Кречман, Е.С. Никифорова
Abstract: Доклад посвящен этапу выбора программных средств разработки мультимедиа продукции для CD ROM и киосковых систем, вопросам правильного выбора технических и программных средств и технологических приемов соответствующих концепции содержательного материала, представляемого на CD ROM, в виде киосковой системы или публикации для Интернет.
В докладе описываются технологии проектирования и разработке мультимедиа-проектов на CD ROM или киосковых систем. В докладе рассматриваются такие вопросы как планирование и оценка трудозатрат разработки, подготовку содержательных материалов в мультимедиа-форме (видео, звук, изображения, текст, мультимедиа-эффекты), используя соответствующее аппаратное и программное обеспечение, разработка структурной схемы будущего мультимедиа-приложения, разработку графического оформления приложения, сборку приложения с использованием соответствующего программного обеспечения (ПО).

Recommender System in the Process of Scientific Peer Review in Mathematical Journal

Alexander Mikhailovich Elizarov, Evgeny Konstantinovich Lipachev, Shamil Makhmutovich Khaydarov
708-732
Abstract: An approach is proposed for organizing expert evaluation of a scientific document submitted to a mathematical journal. Domain restriction is associated with the use of the Mathematical Sciences Classification System – MSC. A recommendation system is presented that allows you to create a list of possible experts for conducting scientific peer-reviewing on a mathematical article. The recommender system uses the MSC codes presented by the author of the article on the MSC2020 classifiers. If the codes MSC2000 or MSC2010 are indicated in the article, they are automatically converted to codes MSC2020. For each expert, the system supports a personal profile that contains a set of codes MSC2020, supplemented by numerical characteristics – weights calculated for each code in accordance with the system of accounting for competencies, preferences or refusals to participate in the review procedure. This set is automatically edited if the expert is included in the list of possible reviewers – the weights of several codes increase or decrease, as well as new codes are added. The recommendation system is implemented as an integrated tool (plug-in) of the Open Journal Systems (OJS) platform. The developed method has been tested in the information system of the Lobachevskii Journal of Mathematics (https://ljm.kpfu.ru).
Keywords: scientific journal information system, Open Journal Systems, peer review workflow, automated reviewers selection, Mathematics Subject Classification 2010, Lobachevskii Journal of Mathematics.

Method for Expert Search using Scientometric System Data

Alexander Sergeevich Kozitsyn, Sergey Alexandrovich Afonin
870-888
Abstract:

The use of modern methods of thematic analysis for the analytical processing of information is currently used in almost all areas of human activity, including scientometrics. Many scientometric and citation systems, including the world famous WoS, Scopus, Google Shcolar, develop thematic categories for searching and processing information. Most important tasks that can be solved using thematic classification methods are: assessment of the dynamics of the development of thematic areas in the organization, country and in world science; search for articles on a given topic; search and assessment of the authority of experts; search for journal for publication and other relevant tasks. The Lomonosov Moscow State University is currently developing and using the system ISTINA. In this project, algorithms have been created that solve some of the problems listed. Scientific research is underway to create new effective mathematical models and algorithms in this area.

Keywords: thematic search, bibliographic data, expert search, information systems, scientometrics.

Service-oriented information system of “Russian Digital Libraries Journal”

Дмитрий Юрьевич Ахметов, Александр Михайлович Елизаров, Евгений Константинович Липачёв
2-39
Abstract: We investigated the current models of the publication and dissemination of scientific knowledge. We also presented different approaches to the organization of the personal information space of scientist. We describe the modern information management system of scientific publications and services that determine their functionality. We have created software modules for automating of electronic scientific journal workflow. These modules are an extension of Open Journal Systems. We describe the architecture of a universal information management system of electronic scientific journals and management platform of “Russian Digital Libraries Journal”.
Keywords: publishing systems, advanced models of publication and dissemination of scientific knowledge, the information society, information space of scientist, electronic scientific journal, service-oriented information system, modern information management system.

Methods and Algorithms for Increasing Linked Data Expressiveness (Overview)

Olga Avenirovna Nevzorova
808-834
Abstract: This review discusses methods and algorithms for increasing linked data expressiveness which are prepared for Web publication. The main approaches to the enrichment of ontologies are considered, the methods on which they are based and the tools for implementing the corresponding methods are described.The main stage in the general scheme of the related data life cycle in a cloud of Linked Open Data is the stage of building a set of related RDF- triples. To improve the classification of data and the analysis of their quality, various methods are used to increase the expressiveness of related data. The main ideas of these methods are concerned with the enrichment of existing ontologies (an expansion of the basic scheme of knowledge) by adding or improving terminological axioms. Enrichment methods are based on methods used in various fields, such as knowledge representation, machine learning, statistics, natural language processing, analysis of formal concepts, and game theory.
Keywords: linked data, ontology, ontology enrichment, semantic web.

Analysis of spatial data in distributed environments

Е.В. Шулькин, С.М. Краснопеев
Abstract: The article considers the issue of algorithms for analysis of spatial data in distributed environments based on the Open Geospatial Consortium standards. Publication of source code is also briefly touched. Emphasis is placed on our understanding of what do we need from client-side of Web-services of spatial data analysis and how the collaboration between user and published data analysis tools can be organized. Preliminary results demonstrates the development of universal client module for data analysis
Keywords: analysis of spatial data, the Open Geospatial Consortium standards, source code, Web-services of spatial data, universal client module for data analysis.

Development of the Information System for Registering the Result of Scientific Institution’ Employees Intellectual Activity

Svetlana Aleksandrovna Vlasova, Nikolay Evgenevich Kalenov
770-793
Abstract:

The article describes a Web-system developed by the authors that implements services related to the formation and provision of multifaceted information about the results of scientific activities (publications, copyright certificates and reports at scientific events) of employees of an organization or a group of organizations. The system is focused both on the end user interested in obtaining specific data, and on the administrative staff, who generates reporting materials for the parent organization. The information base of the system contains metadata on the following classes of objects: persons (authors), organizations and their subdivisions; publications at analytical, monographic and summary levels; copyright certificates; scientific events (conferences, symposia, seminars); reports. The system includes two modules – an administrative one (intended for entering and editing data) and a user one, which is a special search engine that searches for information, visualizes it, provides navigation among related resources and exports data. A distinctive feature of the system is the introduced concept of “equivalent” objects. Objects are considered equivalent if they are represented in the system by different metadata, but referring to the same physical entity. Such objects are “persons” corresponding to one author with different spellings of the surname in the bibliographic descriptions of publications; organizations with different variants of names; articles published unchanged in various languages. In accordance with modern requirements for reporting on publications, the system reflects the sources of research funding, as well as the affiliations indicated in the articles for each author.

Keywords: scientific works, scientific activity, automated system, database, management reports, network technologies.

Multitrading System Forecasts

Felix Osvaldovich Kasparinsky
897-1000
Abstract:

The article is devoted to the problem of forecasting trends in the prices of financial instruments on the Forex market. The methods of forming forecasts based on business cycle models and fractal self-organization of pricing are considered. Based on historical precedents of crises after 1812 and 1917, the terms of the 2015-2027 crisis are determined, the end of which coincides with the simultaneous end of the 200-year and 40-year trends. It is predicted that the point of technological singularity will be reached in 2039. The methods of integrating fundamental and technical analysis tools for forecasting global events that are absent from the economic calendar are developed. It is proposed to increase the efficiency of forecasting changes in prices of financial instruments using an analytical multitrading system designed to work with 6 strategies: long-term (8 months), medium-term (2 months), short-term (1.5 weeks and 1.5 days) and intraday (8 hours, 2 hours). The choice of strategy depends on the time that a trader is ready to use for analytical activities and control of open transactions, acceptable risks and expected profitability. For all strategies, a set of preferred currency pairs of Forex Club and FxPro brokers is established, recommendations for traders are given. The necessary and sufficient set of technical analysis indicators participating in the formation of a triple signal for positioning the starting point of the Regression Channel is determined, which allows automatic forecasting of tactical levels of the price change trend reversal in the interval of forming groups of 8 oscillations. A regulation has been developed for the creation, publication and verification of tactical forecasts of the duration and amplitude of price oscillations for all strategies and many financial instruments. Forecasts are published in the "Multitrading" channels and groups of the Telegram, Dzen and VKontakte network services. The forecasting tools are supposed to be used in the formation of multitrading system tactics.

Keywords: multitrading, trading, forex, investments, technical analysis, fundamental analysis, indicator, trading signal, price channel, exchange rate levels, forecast.

Visualization tools for co-author networks and citation networks of large scientific portals

З.В. Апанович, П.С. Винокуров
Abstract: Due to the fast development of Semantic Web and its new branch of Linked Open Data, large amounts of structured information on various scientific areas become available. Digital libraries, information systems and portals based on ontologies are the most reliable sources of this information that need careful investigation in order to optimize science management. A generally accepted way to facilitate understanding of such large and complex data sets is graph visualization. This paper is devoted to newly developed visualization algorithms of co-authorship and citation networks extracted from information portals and digital libraries of the Linked Open Data cloud.
Keywords: scientific portal, ontology, content, information visualization, layered graph drawing, citation networks, modularity, Open Linked Data.
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Russian Digital Libraries Journal

ISSN 1562-5419

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