scholarly journals Integrated logistics systems building with blockchain technology

Author(s):  
Zinaida B. Khmel’nitskaya ◽  
◽  
Elena S. Bogdanova ◽  
Maria L. Ivich ◽  
◽  
...  

This article is devoted to research of the problem of “using blockchain technology” relevant for theory and practice for building integrated logistics systems. It is done by the authors critical analysis of the existing Russian and the world’s approach to building integrated logistics systems using progressive informatization technologies. The advantages and disadvantages of blockchain technology, as well as barriers that inhibit widespread use in practice, are noted. The algorithm (logical scheme) of this technology and its application in the development of computerization projects integrated logistics are given. The article provides examples of the use of blockchain technologies in various sectors of the economy, shows a detailed description of the information flow of a foreign trade transaction that involves a significant number of participants, and information on its implementation is concentrated in contracts and sales agreements.

Parasitology ◽  
2011 ◽  
Vol 138 (13) ◽  
pp. 1688-1709 ◽  
Author(s):  
STEVEN A. NADLER ◽  
GERARDO PÉREZ-PONCE DE LEÓN

SUMMARYHerein we review theoretical and methodological considerations important for finding and delimiting cryptic species of parasites (species that are difficult to recognize using traditional systematic methods). Applications of molecular data in empirical investigations of cryptic species are discussed from an historical perspective, and we evaluate advantages and disadvantages of approaches that have been used to date. Developments concerning the theory and practice of species delimitation are emphasized because theory is critical to interpretation of data. The advantages and disadvantages of different molecular methodologies, including the number and kind of loci, are discussed relative to tree-based approaches for detecting and delimiting cryptic species. We conclude by discussing some implications that cryptic species have for research programmes in parasitology, emphasizing that careful attention to the theory and operational practices involved in finding, delimiting, and describing new species (including cryptic species) is essential, not only for fully characterizing parasite biodiversity and broader aspects of comparative biology such as systematics, evolution, ecology and biogeography, but to applied research efforts that strive to improve development and understanding of epidemiology, diagnostics, control and potential eradication of parasitic diseases.


2021 ◽  
Vol 03 (01) ◽  
pp. 33-41
Author(s):  
Vittorio Astarita ◽  
Vincenzo Pasquale Giofrè ◽  
Giuseppe Guido ◽  
Alessandro Vitale

This paper intends to explore the convergence of some technological innovations that could lead to new cooperative Intelligent Transportation Systems (ITS). The technologies that might soon converge and lead to some new developments are: the Blockchain Technology (BT) concept, Internet of Things (IoT) and Connected and Automated Vehicles (CAV). Advantages and disadvantages of the new concepts founding a new ITS system are discussed in this conceptual paper. Blockchain technology has been recently introduced and many research ideas have been presented for application in the transportation sector. In this paper, we discuss a system that is based on a dedicated blockchain, able to involve both drivers and city administrations in the adoption of promising and innovative technologies that will create cooperation among connected vehicles. The proposed blockchain-based system can allow city administrators to reward drivers when they are willing to share travel data. The system manages in a special way the creation of rewards which are assigned to drivers and institutions participating actively in the system. Moreover, the system allows keeping a complete track of all transactions and interactions between drivers and city management on a completely open and shared platform. The main idea is to combine connected vehicles with BT to promote Cooperative ITS use, a better use of infrastructures and a more sustainable eco-system of cryptocurrencies. A short description of BT is introduced to evidence energy problems of sustainability in the implementation of Proof of Work (PoW) that is adopted by many blockchains.


Author(s):  
Alexandre André Feil

The structuring of a sustainability index requires a transparent and reliable process, so that its results are the closest to reality and consistent. This study aimed at a critical analysis of the process of structural elaboration of the (sub) sustainability indexes, comparing its main disadvantages and advantages. The methodology used focuses on the qualitative through the technique of systematic literature review and snowballing. The keywords (composite indicators, index, sustainability, aggregation, normalization, advantages and disadvantages) have been inserted into the Google Scholar, Science Direct, Springer Link and Wiley Online Library search directories. The main results show that the techniques used in the process of standardization, weighting and aggregation of a set of data in a sustainability index present indifferent weaknesses and limitations. In addition, the multicriteria aggregation techniques cover qualitative, quantitative data and their uncertainties, but they do not eliminate the weaknesses and limitations of structuring the sustainability index. Thus, they tend to be more suitable, but do not guarantee that the index generated reflect the complexity of the reality of the system that has been reduced. The theoretical and practical contributions of this study are related to the choices of methods and techniques in structuring the (sub) sustainability index, since even with the choice of the most adequate ones in their elaboration, they do not eliminate their fragilities and limitations. The originality of the study is the combination of the main methods and techniques of elaborating a (sub) sustainability index in a single document, in the Portuguese language.  


Author(s):  
I. V. Ershova ◽  
E. V. Trofimova

The article reveals the content and outlines approaches to the definition of the legal nature of mining. Attention is drawn to the necessity of legal regulation of this activity, which is predetermined by the Federal Program «Digital Economy of the Russian Federation» — a project that provides for normative regulation of the digital environment. In order to support the mission to eliminate digital illiteracy, which is also envisaged in the National Program, the author elucidates the etymology and meaning of the term «mining» and considers various doctrinal interpretations of this concept. The paper presents such analogies of the blochchain technology as the public ledger, DNA, and a layer-cake for a better understanding of the blockchain technology that is associated with mining. Material-technical and organizational foundations of mining are revealed. The author demonstrates advantages and disadvantages of solo mining, pool mining, and cloud mining. The results of comparative monitoring of the attitude to the recognition of cryptocurrency as a means of payment are presented. Attention is drawn to the liberal legal regulation of blockchain technology and mining under the laws of the Republic of Belarus. The paper determines the stages of a law-making process aimed at legal support of mining in Russia. Based on the results of comparison of concepts of entrepreneurial activity and mining, it is concluded that mining represents one of new types of entrepreneurship brought to life due to the needs of digital economy. The author suggests thatmining participants be recognized as self-employed persons. It is noted that the entrepreneurial nature of mining arises questions concerning measures of its state regulation which is difficult within the framework of the existing paradigm, but should be built on the basis of a balance between private and public interests.


Author(s):  
Nataliia Morze ◽  
Viktoriia Vember

The article presents the peculiarities and trends of the implementation of peer assessment in the educational process of institutions of higher education, analyzes the view of world scholars on the changes in the theory and practice of assessing academic achievements of students in the context of emphasizing personality-oriented learning, namely recognition of the formative evaluation function through which students become not only observers of the process of evaluation by the teacher, and are involved in the use and development of evaluation criteria, self-assessment and peer assessment. The peculiarities of formative and peer assessment are analyzed, advantages and disadvantages of traditional and peer assessment are determined. Among the suggested ways to avoid the disadvantages of traditional assessment is the combination of traditional and peer assessment, the implementation of ICT tools to support peer assessment. The digital evaluation tools were analyzed and the results of the survey of teachers regarding the interest in possession of digital evaluation tools were presented, which was attended by 769 teachers from six Ukrainian partner universities of the MoPed project. The results of the survey on the use of assessment techniques and the use of digital tools for assessment, which was attended by scientific and teaching staff of the Borys Grinchenko Kyiv University, were presented. The results of the survey showed that today peer assessment is used in the educational process by 15.6% of respondents, 62.3% use it in part, 22.1% do not use it. At the same time, 51.9% of the respondents are ready to use peer assessment in the educational process after a closer look at this method. According to the survey results, the digital instruments used by scientific and teaching staff in the learning process are the most popular ones: e-mail, computer tests that are checked automatically, and work with shared documents or presentations, but some resources that can be used for peer assessment, less than a third of teachers are used and their use does not always take into account all possibilities of such means.


RSBO ◽  
2018 ◽  
Vol 1 (3) ◽  
pp. 177
Author(s):  
Flávia Vetter ◽  
Rodrigo Torres Pereira ◽  
Lilian Lígia Block ◽  
Wellington Menyrval Zaitter ◽  
Rogério Nogueira de Oliveira ◽  
...  

Introduction: The esthetic damage is any pejorative modification in static or dynamic expression, perceived by any sense, affecting the image of the person. The esthetic damage repair has legal support in Brazilian legislation. Objective: to systematize the different existing methods for valuation of esthetic damages, critically analyze their characteristics, advantages and disadvantages; and evaluate whether these methods would have been validated in any population inside or outside of Brazil. Literature review: The adoption of the use of tables, formulas and coefficients was insufficient to overcome the limitations of each method, such as those supported by the measurement of a single scar or by the teeth. Conclusion: All available subjective methods, except for AIEL method did not havescientific evidence, lacking validation in any country, and requiring proof of methodology.


2021 ◽  
Vol 27 (2) ◽  
pp. 638-657
Author(s):  
Fredrik Milani ◽  
Luciano Garcia-Banuelos ◽  
Svitlana Filipova ◽  
Mariia Markovska

PurposeBlockchain technology is increasingly positioned as a promising and disruptive technology. Such a promise has attracted companies to explore how blockchain technology can be used to gain significant benefits. Process models play a cardinal role when seeking to improve business processes as they are the foundation of process analysis and redesign. This paper examines how blockchain-oriented processes can be conceptually modelled with activity- (BPMN) and artifact-centric (CMMN) modelling paradigms.Design/methodology/approachThis paper discusses how commonly occurring patterns, specific to block-chain-based applications, can be modelled with BPMN and CMMN. Furthermore, the advantages and disadvantages of both notations for accurately representing blockchain-specific patterns are discussed.FindingsThe main finding of this paper is that neither BPMN nor CMMN can adequately and accurately represent certain patterns specific for blockchain-oriented processes. BPMN, while supporting most of the patterns, does not provide sufficient support to represent tokenization. CMMN, on the other hand, does not provide support to distinguish between activities executed and data stored on-chain versus off-chain.Originality/valueThe paper provides insight into the strengths and weaknesses of BPMN and CMMN for modelling processes to be supported by blockchain. This will serve to aid analysts to produce better process models for communication purposes and, thereby, facilitate development of blockchain-based solutions.


Author(s):  
Jean Vincent Fonou-Dombeu ◽  
Magda Huisman

The ultimate goal of e-Governance is to reach the stage of seamless service delivery in one-stop e-Government. This raises the engineering issues of integration, reusability, maintenance, and interoperability of autonomous e-Government systems of government departments and agencies. Therefore, appropriate methodologies that consistently address the aforementioned engineering issues throughout clearly defined e-Government development phases are needed. This chapter provides the design and specification, of a framework that amalgamates features from maturity models, software engineering and Semantic Web domains for semantic-enabled development of e-Government systems. Firstly, the methods and techniques used for the planning, design, and implementation of e-Government systems worldwide are investigated; a critical analysis is carried out to identify their advantages and disadvantages, as well as their contribution towards addressing the aforementioned engineering issues. Secondly, the proposed framework is drawn and specified. Finally, support tools including a business process model, an alignment matrix of stages and phases of development, and a weighting matrix of the intensity of semantic activities at various phases of development is drawn and described.


2015 ◽  
pp. 1737-1762
Author(s):  
John Ubena

This chapter provides a critical analysis of the legal framework for access to information particularly information held by government in Tanzania. The analysis intends to establish whether the existing Right To Information (RTI) legal framework and ICT development in Tanzania facilitates universal and requisite access to government information. In order to do that, the chapter utilises a literature review to understand contemporary trends in both theory and practice. In addition, journal articles, books, reports, case law, and pieces of legislation focusing on RTI are visited to obtain deeper insights in the topic under scrutiny. The findings indicate that, despite Tanzania's efforts to embrace democracy virtues, good governance, and technology, the country lacks adequate legal framework to facilitate universal access to government information and ensure that the Right To Information (RTI) is observed in all the socio-economic contexts. To rectify this problem, there is need to enact the RTI law with clear focus of encouraging access to government information. Although two bills (the Media Service Bill [MSB] and the 2011 RTI) are currently being debated, it is not clear yet when they will become law and subsequently practiced.


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