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The ethics of artificial intelligence: Safeguarding human dignity, social justice and environmental stability in the age of AI
No full textArtificial intelligence in financial decision-making: Enhancing portfolio management and risk assessment
No full textRethinking sustainable tourism through innovation and knowledge: A conceptual framework for policy and practice
No full textResearch background: Tourism plays a central role in global economic development and cross-cultural exchange. In the wake of the COVID-19 pandemic, there has been a growing focus on integrating sustainability, innovation, and equity into tourism practices. Traditional models have often overlooked the complex interplay of social, environmental, and economic challenges faced by destinations. This has spurred a rethinking of tourism development, driven by community empowerment, climate concerns, and technological advances.
Purpose of the article: The study aims to explore how a transformative approach to tourism can be achieved by centering community participation, embracing sustainability, and incorporating innovative social practices. It focuses on the intersections of social innovation, rural-luxury travel, heritage preservation, and inclusive governance. The authors seek to construct a conceptual framework that captures emerging themes and sub-themes within sustainable tourism, offering practical insights for policymakers and industry stakeholders.
Methods: An integrative review approach was applied, guided by PRISMA methodology. Following keyword extraction, topic modeling was conducted using Latent Dirichlet Allocation (LDA), a widely used technique for discovering hidden topics in text data. Over 12,000 academic sources from the Scopus database were synthesized. A conceptual model was developed through inductive analysis to identify interrelationships between tourism-related themes.
Findings & value added: The key findings highlight the transformative potential of strategies that align tourism practices with environmental stewardship, local empowerment, and innovative management approaches. The study underscores actionable implications such as the establishment of innovation hubs, and cross-sector partnerships, offering pathways to foster a tourism sector that not only supports global sustainable development goals, but also ensures long-term community resilience and equitable development
Investments in the green transition and their impact on economic growth and competitiveness in the European Union
No full textResearch background: The European Union’s transition towards a green and sustainable-growth paradigm has been accelerated by flagship initiatives such as the European Green Deal, the NextGenerationEU Recovery Plan, and the Just Transition Mechanism. While the literature increasingly addresses renewable energy, energy efficiency, and circular economy dynamics, empirical evidence on how climate-related investments, public environmental expenditure, technological innovation, and structural disparities interact to shape competitiveness remains limited. Existing studies often analyze these factors in isolation, overlooking their systemic interdependencies and the heterogeneity among EU member states.
Purpose of the article: This study examines how green transition investments shape economic competitiveness and circular value-added in the European Union. It evaluates the effects of climate mitigation spending, environmental protection, energy efficiency, renewable integration, and R&D on sustainable performance while considering national heterogeneity. By capturing these interdependencies, the article advances the theoretical and empirical understanding of the green transition.
Methods: A quantitative econometric framework based on panel data for the 27 EU member states over the period 2010–2023 was employed. The analysis relies on official Eurostat indicators capturing climate investment, public environmental expenditure, energy intensity, renewable energy share, gross R&D expenditure, and aggregate green capital.
Findings & value added: The analysis demonstrates that targeted green investments and R&D foster circular economic growth, whereas energy inefficiency and poorly integrated renewables constrain performance. Cross-country disparities highlight uneven institutional capacities, pointing to the need for adaptive yet coordinated EU strategies to ensure climate neutrality and sustainable competitiveness. The study also offers a generalizable theoretical perspective by illustrating how green investment, innovation capacity, and energy efficiency jointly shape circular economic performance, providing long-term relevance for sustainability transitions across diverse economic contexts
The impact of artificial intelligence on the workforce in Poland
No full textThe aim of the article is to analyze the impact of artificial intelligence on the workforce in Poland. The introduction of artificial intelligence may raise concerns about job losses or the need to transform employee competencies. To carry out the analysis, statistical data on employment and dismissal of employees in sections of the national economy, the recruitment and dismissal rate, and vacant, newly created and liquidated jobs will be used. Based on this data, the dynamics of changes and structure will be calculated. The dynamics of changes will show what changes have taken place in the workforce in Poland. The analysis will be carried out on the basis of statistical data published in the Statistical Yearbooks of the Central Statistical Office in Warsaw. As analyzes and assessments show, there have been many changes in terms of employment and dismissals in economic sectors in Poland. It should be stated that the impact of artificial intelligence on the development of the labor market was significant. Conducted research has practical implications. Because the analyzes carried out show that there have been changes in the domestic labor market due to the influence of artificial intelligence on the workforce in Poland, but this has not caused fear of job losses or the need to transform employee competences. The article contributes to the issue of the impact of artificial intelligence on the workforce in Poland and provides a new perspective on the problem of artificial intelligence
The safety of railway transport systems – the historical and actual study
No full textThe paper presents the evolution of safety concept assigned to railway transport with respect to management and control of trains. The first step was introduction of electrical systems based on fail-safe relay interlocking. The next stage is electronic, computer systems with decision part based on implementation of correct algorithms related to EU standards. The main rule of safety control and management corresponds to Tolerable Hazard Rate (THR). The next stage was introducing to the railway interlocking and management systems the open radio transmission such Internet, GPS or GSM (version GSM-R). For safety analysis the recommended mathematical methods such Markov processes may be applied, the example of safety analysis of ERTMS/ETCS system is presented in the paper
Overview of methods of insulation parameters determination in live unearthed electrical networks
No full textIn the publication there is presented an overview of existing methods of insulation-to-ground parameters determination in live electrical networks with isolated neutral point. These parameters are necessary for calculation of ground fault currents and overvoltages occurring in these systems. There are described few methods of determination of insulation admittance parameters (leakage conductance and capacitance) based on measurement of voltages and computational processing of obtained results. To execute the presented procedures it is necessary to measure network voltages (RMS values or phasors) in certain operational conditions, namely in healthy operation and/or during an intentional grounding of a selected phase through a special element. Chapter 1 of the paper deals with determination of insulation equivalent admittance parameters whereas chapter 2 explains how to get insulation admittance parameters for single phases. Majority of available methods were developed abroad but very few have been applied in practice. In the paper limitations and shortcomings of respective procedures are pointed out. A modified method for general case of these parameters asymmetry in 3-phase networks is proposed
Application of methods for determining the reliability of microprocessors in traffic control devices
No full textThe article presents the issue of reliability of railway traffic control systems as a key element responsible for safety in transport tasks. It discusses factors affecting the reliability of devices used in traffic control systems and factors influencing the high level of safety and reliability of traffic control devices. The importance of reliability in microprocessor-based control systems is also discussed. As a final result, some methods for calculating the reliability of microprocessors and implementing them in traffic control devices are presented
Estimation of uncertainty of natural gas volume loss in the aspect of damage to pipeline transport infrastructure
No full textThe analytical dependencies for estimating the uncertainty of the volume of gas lost through damage to the gas pipeline infrastructure are developed in this article. The stage of pseudo-stationary gas leakage is considered and equations for estimating the uncertainty of the gas pressure and temperature at the damage point of the gas pipeline are presented. They are based on the solution of the mathematical model of stationary gas movement in the gas pipeline. An equation for the uncertainty of the gas flow rate through the holes in the damaged gas pipeline is obtained based on the analysis of the gas flow equation as a functional dependence on the gas parameters and characteristics of the leakage. An uncertainty budget is formed for gas pressure and temperature at the damage point and gas flow rate through the damage holes. Formulas for the impact coefficients of the uncertainties of the input parameters on the combined standard uncertainty of these parameters are also developed. An example of the application of the developed equations for estimating the uncertainty of the gas volume lost through damage to the gas transportation network is presented
Diagnostic of railway turnouts condition
No full textThe paper presents issues related to the process of monitoring the technical condition of railway turnouts and administration of data from measurement sensors cooperating with computer programs, enabling continuous tracking of changes and trends in the presented system, which is a railway turnout controlled by a switch point machine. The author points to the importance of remote diagnostics, mainly the moving turnout elements for appropriate intervention by the maintenance services. The paper also presents market needs in terms of the need to obtain appropriate field data, including changes in the turnout operation depending on climatic conditions and trends of changes depending on the wear of the rolling elements of the turnout. The author points to the need for monitor the condition of several most important points of the turnouts that have a direct impact on future potential: failures, damage, reduced availability of the railway line or a railway disaster. Attention was also paid to the need to use field data from the service work not only from the warranty period but also throughout the assumed whole life cycle of the turnout