1,720,965 research outputs found
Methodical and Applied Aspects of Creation and Application of Cyber Ranges
Full text linkThe methodical and applied aspects of the creation and application of cyber ranges are proposed in the article. The new solutions for analysis, synthesis and the development of applied scientific and technological principles of construction and realization of cyber ranges are given. These cyber ranges can be used for: research issues of cyber monitoring, cyber defense and cyber influence; design of fundamental and applied bases of constructing mathematical support of software and hardware assets for realization of monitoring processes, analytical information processing, forecasting, planning and implementation of passive and active countermeasures against information and cyber threats in cyber space. This makes it possible to check the effectiveness of new and innovative forms and methods of countermeasures against challenges and threats of terrorism, of protecting critical infrastructures, society, authorities, and person through the realization of complexes of information security in cyber space
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Technique of testing cyber vulnerabilities and quality of Cyberphysical software systems
Full text linkCyber vulnerability testing and software quality cyberphysical systems (complexes) is an important task in ensuring its reliability and security. When working with several variations of products or their versions, testing all software for every variation is resource intensive and irrational. To implement effective technological and economical quality of testing and cyber vulnerabilities of cyberphysical systems software (complexes) in terms of its increasing complexity, both in time (when considering the version) and in space (when considering variation) and lack of access to program code should be developed as follows new methods. Those methods will allow to use the results of previous tests and focus on the most important, for their testing, not yet tested parts. This is possible using regression testing methods and the appropriate choice of test cases and their prioritization to identify and address software issues and cyber vulnerabilities. Of course, testing variations and versions without access to source code, is an extremely problematic and costly task. The article analyzes the stages of regression testing and proposes an improved method for selecting test cases for testing of cyber vulnerabilities of software of cyberphysical systems (complexes) without access to program code. During the study, an analysis of the achievements in this area was conducted, investigating leading experts works. This article also identifies and compares the effectiveness of prioritized and non-prioritized test cases using the average percent detection rate (APFD). As a result of the study, new metrics for measuring test coverage are presented
Dynamic Detection and Classification of Critical Attention Objects under Crisis Events
No full textThis article presents the development of a universal methodology for selecting and classifying Critical Objects of Attention (COAs) during crisis events, replacing static, standardized approaches with a dynamic, substantiated model. The authors propose formalizing criticality as an emergent property of the “world–governance–observer” system, where criticality is determined not by an object’s intrinsic attributes, but by its role within crisis dynamics. Leveraging graph theory, information theory, and models of cognitive salience, a phase space of attention is constructed, equipped with a dynamic criticality function κ(o, t) and an attentional energy functional L, enabling optimal selection of a compact subset of COAs. A five-stage methodology–DCSC (Dynamic Criticality Selection & Classification)–is introduced, implemented, and validated on a simulated cyberattack scenario. The model is unsupervised, interoperable with existing monitoring systems (e.g., SIEM, digital twins), and applicable across domains including cybersecurity, critical infrastructure management, and digital public governanc
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
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