40 research outputs found

    The analysis of risk and vulnerability Seismic of human settlements in Basht County using fuzzy Dimatel and ArcGIS

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    Explanation: The post-metropolitan era can be called the era of the vulnerability of urban and rural settlements; because on the one hand, these settlements are facing natural hazards and technological crises, and on the other hand, they are facing security and social crises. Method: The present article is applied in terms of purpose and descriptive-analytical in terms of method. Collect data from the country's surveying organization, satellite images, etc., as well as to study and analyze data ARC GIS software, Dimatel model, and WASPAS software were used. Findings: The results of the study show that of the area of 1037.64 square kilometers in Basht city, 150.80 square kilometers (14.53) is in the safe zone and 282.25 square kilometers (27.20%) is in the low-risk zone. 273.29 square kilometers equivalent to 26.33 percent in the middle zone, 233.20 square kilometers equivalent to 22.47 percent in the high earthquake risk zone, and also 98.20 square kilometers of the whole city equal to 9.47 in the very high earthquake risk zone. Also, the results of the earthquake risk showed that the city of Basht is located in a zone with a high earthquake risk. . Also, the results of the earthquake risk showed that the city of Basht is located in a zone with a high earthquake risk. Spatial analysis of the vulnerability of rural areas and settlements shows that 32.16% of settlements and villages of Basht city are in a very high-risk zone, 23.97% in a high-risk zone, 29.23% in a medium-risk zone, and 69.69 11% of rural settlements and settlements are in the low earthquake risk zone. Results: Therefore, taking necessary measures such as preventing the establishment, issuing permits and preventing construction on faults, public awareness of preventive measures before accidents, preventing the establishment and concentration of urban and rural settlements in high-altitude areas, establishing a warning system And timely warnings in pre-earthquake aftershocks, access of all urban and rural settlements to communication routes and relief centers for quick access to critical areas after the earthquake, etc. to reduce casualties and financial losses caused by the earthquake crisis in the city's population centers Basht seems necessar

    Unveiling the nexus of digital conversion and clean energy: An ISM-MICMAC and DEMATEL perspective

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    Our aim is to develop a hierarchical framework that assesses the interdependence of digital metrics impacting clean energy in the European energy market. The framework is evaluated to determine its applicability to clean energy and implementation. We utilize a taxonomy of digital metrics with the MICMAC ("Matrice d'Impacts Croisés-Multiplication Appliquée à un Classement") methodology and a questionnaire-based survey using DEMATEL to validate the framework. This results in an efficient hierarchy and contextual relationship between key metrics in the European energy industry. We investigate and simulate ten key metrics of digital conversion for clean energy in the energy domain, identifying the most significant effects, including the "decision-making process" the "sustainable value chain" the "sustainable supply chain", "sustainable product life cycle", and the "interconnection of diverse equipment". The MICMAC methodology is used to classify these parameters for a better understanding of their structure, and DEMATEL is employed to examine cause-and-effect relationships and linkages. The practical implications of this framework can assist institutions, experts, and academics in forecasting essential metrics and can complement existing studies on digital conversion and clean energy. By prioritizing these key parameters, improvements in convenience, efficiency, and the reduction of product fossilization can be achieved. The value and originality of this study lie in the novel advancements in analyzing digital conversion metrics in the European energy industry using a cohesive ISM, MICMAC, and DEMATEL framework

    Ranking the factors affecting scientific data sharing among Iranian Medical researchers using DEMATEL technique

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    Data sharing is considered as a hot topic and a norm in many scientific fields. But it seems that, it was neglected in Iranian Medical fields. This research aiming to identify relevant factors in data sharing. With using semi-structured interview, survey and DEMATEL techniques, the present study identified the influencing factors affecting data sharing. The sample population consisted of 14 experienced Iranian medical researchers in data sharing. The results showed that, education, budgeting, attitudes, and institutional requirements were the most influential factors among others and were pure casual factors. In view of Iranian medical researchers, budgeting and organizational supports had the highest effect on authorship, structures, attitudes, ownership and their trust. Co-authorship, trust among the researchers and research system, legal issues like ownership, and the conditions of data access were not strong casual nor strong effect variables in this research, but had important role in data sharing and should be more considered. Identifying factors influencing data sharing enhance and strengthen data sharing and facilitate movement towards data-driven researches, and scientific communities could apply the advantages of data sharing

    Determinantes de indústria 4.0: mapeamento e análise de relações causais

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    A Indústria 4.0 assume, atualmente, uma importância crescente, tornando-se condição fundamental na obtenção de vantagens competitivas. Esta nova era industrial revela-se promissora, na medida em que perceciona a produção e a sua convergência com os avanços digitais, permitindo, deste modo, mitigar os principais desafios da produção industrial. Contudo, avaliar a maturidade das organizações no contexto da Indústria 4.0 é uma tarefa difícil e de grande complexidade, dada a diversidade de determinantes que lhe são inerentes. No sentido de ultrapassar esta dificuldade, e uma vez que a literatura sugere existirem limitações relativas à identificação e à análise de relações dinâmicas de causa-efeito entre os determinantes de Indústria 4.0 nos modelos de avaliação existentes, parece evidente a necessidade de criar um modelo de análise que consiga colmatar estas limitações. Como tal, a presente dissertação propõe um modelo que recorre ao uso integrado de técnicas de mapeamento cognitivo, suportadas pela abordagem JOintly Understanding Reflecting and NEgotiating strategY (JOURNEY) Making, com a técnica DEcision MAking Trial and Evaluation Laboratory (DEMATEL), de modo a obter um modelo mais transparente e uma análise dinâmica das relações de causa-efeito entre os determinantes de Indústria 4.0. A implementação da abordagem proposta envolveu duas sessões de trabalho com um painel de especialistas, assim como uma última sessão com uma representante do Departamento de Inovação e Desenvolvimento do Instituto de Soldadura e Qualidade (ISQ), visando a validação dos resultados e a formulação de algumas recomendações. As vantagens e as limitações decorrentes deste estudo são também objeto de análise e de discussão.Increasing attention has been paid to Industry 4.0 as a prerequisite for achieving competitive advantages. However, measuring organizational maturity in the context of Industry 4.0 is a difficult and highly complex endeavor, given the diversity of the associated determinants. Several authors have proposed different approaches to Industry 4.0, but these approaches still exhibit limitations, particularly regarding the identification and analysis of dynamic cause-and-effect relationships among determinants. This study sought to create an analysis system for determinants of Industry 4.0 by combining cognitive mapping and the DEcision MAking Trial and Evaluation Laboratory (DEMATEL) technique, providing a more transparent model and a dynamic analysis of cause-effect relationship among variables. The development of the proposed analysis system involved group meetings with a panel of experts on the topic, as well as a final validation session with a senior representative of the Portuguese Institute of Welding and Quality, aiming to validate the results obtained. The advantages and limitations of the proposed framework are also discussed

    Causal modelling of failure fears for international entrepreneurs in tourism industry: a hybrid Delphi-DEMATEL based approach

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    The file attached to this record is the author's final peer reviewed version. The Publisher's final version can be found by following the DOI link.Abstract Purpose This paper aims to recognise and identify fears of failure in the international entrepreneurship ecosystem and find the effects of these fears on each other to reduce these increasing effects and minimise the mental barriers for potential entrepreneurs. Therefore, this research is beneficial to strengthen international entrepreneurial personality and to reduce the shadows of fears on entrepreneurs’ minds. To address this purpose the international tourism industry has been investigated in the emerging economy of Iran. Design/methodology/approach This paper is organised based on experts' opinions, and then factors are identified by literature review and are finalised through the Delphi method with a panel of practical and academic experts. These fears are categorised using a questionnaire and factor analysis (FA) technique. The respondents were entrepreneurship students and tourism entrepreneurs. Subsequently, the effect and importance of fears of failure are scored and ranked by some experts. These fears were analysed through decision-making trial and evaluation laboratory (DEMATEL) method. The results presented the effects of fears of failure in the international entrepreneurial in the tourism industry and the relationship amongst them. Findings The first two fears are respectively “fears of future” which are caused by the unclear situation; and “fear of losing credit” that is due to the importance of “personal relationships” in Iranians culture. As pointed out by results, “fear of future” is the most effective group of factors that may lead to other fears too. This fear seems important in the international entrepreneurial tourism industry because of future ambiguity. Originality/value This study indicates the relations between groups of fears and offers some practical and applicable solutions to reduce these effects. To the best knowledge of the authors, analysing the relationship between fears amongst the entrepreneurs has not been investigated previously

    Planteamiento de un proceso participativo para la propuesta y priorización de proyectos de desarrollo regional. Caso de estudio Departamento del Meta en Colombia

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    [ES] La participación pública fue introducida como concepto por Naciones Unidas en la Declaración de Río sobre Medioambiente y Desarrollo en 1992. A partir de ahí se considera esencial que los interesados locales participen en los procesos de toma de decisiones relativas a políticas públicas de desarrollo local de su región, ya que se supone que los resultados de estas intervenciones han de dar respuesta a sus intereses y necesidades. La selección de estos interesados clave es crítica para asegurar la viabilidad, legitimidad y el éxito del proceso participativo, ya que es esencial lograr resultados respaldados por un amplio consenso. Por el contrario, si falla la colaboración entre las autoridades y los interesados, se pierde la confianza de éstos y las probabilidades de fracaso de las propuestas llevadas a cabo son muy altas. Para la selección de los interesados hay que tener en cuenta: su motivación o interés en participar en el proceso, su conocimiento, preferencias, preocupaciones y expectativas sobre el problema y el proceso de toma de decisiones. En esta tesis se desarrolla un proceso participativo, basado en un caso de estudio, en el que se selecciona un núcleo decisor que ayude a las autoridades competentes a decidir cuáles son las áreas de inversión que más contribuyen a satisfacer los Objetivos de Desarrollo Sostenible (ODS). El caso de estudio se centra en el análisis y priorización de las necesidades de desarrollo de la Región del Meta (Colombia). La investigación se realiza en tres fases. En la primera fase se plantea el problema, los objetivos y la metodología de investigación. En la segunda fase se desarrolla un proceso de selección y análisis de interesados para seleccionar un núcleo decisor. En la tercera fase se identifican y analizan las necesidades de la Región del Meta y se priorizan en función del grado de satisfacción de los ODS. En el trabajo se introduce la técnica Decision Making Trial and Evaluation Laboratory (DEMATEL), adaptado de modo novedoso, para su uso en el análisis de grupos de interés; una nueva propuesta de análisis de influencia, basada en categorías (Ratings) y Análisis de Redes Sociales. Se presenta un análisis comparativo de los resultados obtenidos por los diferentes métodos de análisis de interesados, se discuten sus ventajas y desventajas y se selecciona el núcleo decisor. Para priorizar las necesidades más sentidas de la Región, materializadas en trece áreas de inversión, se estudia cómo invertir en cada área satisface los Objetivos de Desarrollo Sostenible (ODS). Para ello se emplean dos técnicas de toma de decisiones multicriterio: El Proceso Analítico Jerárquico (AHP por sus siglas en inglés) y el Proceso Analítico en Red (ANP por sus siglas en inglés). El ANP estudia las dependencias y la retroalimentación entre los elementos de la red. Como la aplicación práctica de ANP resulta compleja, se ha integrado el ANP con DEMATEL, tal y como se describe en la literatura. La metodología y los resultados de esta tesis se pueden reproducir en futuros procesos participativos porque ayuda a identificar interesados y seleccionar un grupo decisor, representativo de los actores de una región o área geográfica, y también a identificar y evaluar necesidades de desarrollo de la región objeto de estudio, teniendo en cuenta las opiniones de los interesados identificados.[CA] La participació pública va ser introduïda com a concepte per Nacions Unides en la Declaració de Rio sobre Medi Ambient i Desenvolupament a 1992. A partir d'aquí es considera essencial que els interessats locals participin en els processos de presa de decisions relatives a polítiques públiques de desenvolupament local de la seva regió, ja que se suposa que els resultats d'aquestes intervencions han de donar resposta als seus interessos i necessitats. La selecció d'aquests interessats clau és crítica per assegurar la viabilitat, legitimitat i l'èxit de l'procés participatiu, ja que és essencial aconseguir resultats recolzats per un ampli consens. Per contra, si falla la col·laboració entre les autoritats i els interessats, es perd la confiança d'aquests i les probabilitats de fracàs de les propostes dutes a terme són molt altes. Per a la selecció dels interessats cal tenir en compte: la seva motivació o interès en participar en el procés, el seu coneixement, preferències, preocupacions i expectatives sobre el problema i el procés de presa de decisions. En aquesta tesi es desenvolupa un procés participatiu, basat en un cas d'estudi, en el qual es selecciona un nucli decisor que ajudi les autoritats competents a decidir quines són les àrees d'inversió que més contribueixen a satisfer els Objectius de Desenvolupament Sostenible (ODS ). El cas d'estudi se centra en l'anàlisi i priorització de les necessitats de desenvolupament de la Regió de l'Meta (Colòmbia). La investigació es realitza en tres fases. En la primera fase es planteja el problema, els objectius i la metodologia d'investigació. En la segona fase es desenvolupa un procés de selecció i anàlisi d'interessats per a seleccionar un nucli decisor. A la tercera fase s'identifiquen i analitzen les necessitats de la Regió de l'Meta i es prioritzen en funció de el grau de satisfacció dels ODS. En el treball s'introdueix la tècnica Decision Making Trial and Evaluation Laboratory (DEMATEL), adaptat de manera nova, per al seu ús en l'anàlisi de grups d'interès; una nova proposta d'anàlisi d'influència, basada en categories (ràtings) i Anàlisi de Xarxes Socials. Es presenta una anàlisi comparativa dels resultats obtinguts pels diferents mètodes d'anàlisi d'interessats, es discuteixen els avantatges i desavantatges i se selecciona el nucli decisori. Per prioritzar les necessitats més sentides de la Regió, materialitzades en tretze àrees d'inversió, s'estudia com invertir en cada àrea satisfà els Objectius de Desenvolupament Sostenible (ODS). Per a això s'empren dues tècniques de presa de decisions multicriteri: El Procés Analític Jeràrquic (AHP per les sigles en anglès) i el Procés Analític en Xarxa (ANP per les sigles en anglès). L'ANP estudia les dependències i la retroalimentació entre els elements de la xarxa. Com l'aplicació pràctica de ANP resulta complexa, s'ha integrat el ANP amb DEMATEL, tal com es descriu a la literatura. La metodologia i els resultats d'aquesta tesi es poden reproduir en futurs processos participatius perquè ajuda a identificar interessats i seleccionar un grup decisori, representatiu dels actors d'una regió o àrea geogràfica, i també a identificar i avaluar necessitats de desenvolupament de la regió objecte d'estudi, tenint en compte les opinions dels interessats identificats.[EN] Public participation was introduced as a concept by the United Nations in the Rio Declaration on Environment and Development in 1992. Since then, it is considered essential for local stakeholders to participate in decision-making processes related to local development public policies in their region, since the results of these interventions are supposed to respond to their interests and needs. The selection of these key stakeholders is critical to ensure the viability, legitimacy, and success of the participatory process, as it is essential to achieve results supported by a broad consensus. On the contrary, if collaboration between the authorities and stakeholders fails, the trust of the latter is lost and the probability of failure of the proposals carried out is very high. For the selection of stakeholders, it is necessary to take into account: their motivation or interest in participating in the process, their knowledge, preferences, concerns and expectations about the problem and the decision-making process. This thesis develops a participatory process, based on a case study, in which a core decision-maker is selected to help the competent authorities decide which investment areas contribute most to meeting the Sustainable Development Goals (SDGs). The case study focuses on the analysis and prioritization of the development needs of the Meta Region (Colombia). The research is conducted in three phases. In the first phase, the problem, objectives, and research methodology are set out. In the second phase, a stakeholder selection and analysis process is developed to select a core decision-maker. In the third phase, the needs of the Meta Region are identified and analyzed and prioritized according to the degree of satisfaction of the SDGs. The paper introduces the Decision Making Trial and Evaluation Laboratory (DEMATEL) technique, adapted in a novel way, for use in stakeholder analysis; a new proposal for influence analysis, based on categories (ratings) and Social Network Analysis. A comparative analysis of the results obtained by the different stakeholder analysis methods is presented, their advantages and disadvantages are discussed, and the core decision maker is selected. To prioritize the most felt needs of the Region, materialized in thirteen investment areas, it is studied how investing in each area satisfies the Sustainable Development Goals (SDGs). Two multi-criteria decision-making techniques are used: the Analytical Hierarchical Process (AHP) and the Analytical Network Process (ANP). The ANP studies the dependencies and feedback between network elements. As the practical application of ANP is complex, ANP has been integrated with DEMATEL, as described in the literature. The methodology and results of this thesis can be replicated in future participatory processes because it helps to identify stakeholders and select a decision-making group, representative of the actors of a region or geographic area, and also to identify and evaluate development needs of the region under study, taking into account the opinions of the identified stakeholders.León Camargo, A. (2021). Planteamiento de un proceso participativo para la propuesta y priorización de proyectos de desarrollo regional. Caso de estudio Departamento del Meta en Colombia [Tesis doctoral]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/174853TESI

    Decision analysis in the UK energy supply chain risk management: tools development and application.

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    The aims of this thesis are developing decision-making tools for risk identification, risk causal relationships analysis, risk prioritisation, and long-term risk mitigation strategy recommendations in the UK energy supply chain. The thesis is comprised of four study phases in eight chapters. In phase I, a framework is introduced including 12 risk dimensions, and 5 classification perspectives. Then, in phase II, the Neutrosophic Revised Decision-Making Trial and Evaluation Laboratory (NR-DEMATEL) method has been utilised in order to analyse the 12 identified risk dimensions based on the causal interrelationships between them. Additionally, a novel Hesitant Expert Selection Model (HESM) to systematically assist researchers with the expert selection process is proposed. In phase III, two extensions of the original Best-Worst Method (BWM) are proposed in order to contribute to the theoretical development and application of the BWM in energy supply chain risk prioritisation. The Neutrosophic Enhanced BWM (NE-BWM) and hybrid Spanning Trees Enumeration and BWM (STE-BWM) are introduced to enhance the efficiency of the original BWM in dealing with uncertainty in experts’ subjective judgements. In phase IV, a novel stratified decision-making model is introduced. It is based on Concept of Stratification (CST), game theory and Shared Socio-economic Pathway (SSP) to deal with long-term risk mitigation planning for the most critical identified risks. The model has been applied in the region of Highland and Argyll in Scotland based on the primary data obtained from experts to prioritise flooding risk mitigation strategies which were recommended by the Scottish Environment Protection Agency (SEPA). The stratified decision-making model is aimed at taking into account both UK socio-economic situations and flooding risk impacts for the long-term decision making

    Análise dos efeitos de blight em áreas urbanas: uma abordagem multicritério

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    O meio envolvente em que as pessoas vivem influencia, diretamente, os seus valores e comportamentos. As cidades são muitas vezes abrigo de zonas urbanas degradadas, prédios e terrenos abandonados e vandalizados. A isto dá-se o nome de Blight. Este fenómeno é considerado um problema de decisão complexo, que tem vários efeitos tanto a nível individual como a nível comunitário. Esta dissertação pretende avaliar o impacto a nível económico, social e ambiental que a existência de Blight provoca. A complexidade deste fenómeno faz com que as análises devam englobar variáveis tanto de natureza objetiva como subjetiva. Alguns dos estudos já realizados apresentam limitações que a presente dissertação, através da combinação de técnicas de mapeamento cognitivo com a técnica DEcision MAking Trial and Evaluation Laboratory (DEMATEL) pretende colmatar, realizando uma análise multicritério com recurso a profissionais experientes na área e que, com os seus conhecimentos e sensibilidade, permitiram uma análise mais real e coerente do fenómeno em estudo. Não existem estudos perfeitos, daí as vantagens e limitações desta abordagem serem, também, objeto de discussãoThe environment in which people live directly influences their values and behaviors. Cities are often characterized by degraded areas, vandalized buildings and abandoned land. This is called Blight. This phenomenon is considered a complex decision-making problem, which has several effects at both individual and community levels. This dissertation aims to evaluate, economically, socially and environmentally, the impact caused by Blight. The complexity of this phenomenon means that analyses should encompass variables of both objective and subjective nature. Some of the studies already carried out have limitations that this dissertation, through a methodological combination of cognitive mapping and the DEcision MAking Trial and Evaluation Laboratory (DEMATEL) technique, intends to address, developing a multicriteria analysis system based on the inputs provided by a panel of experts. The advantages and limitations of our proposal are also discussed

    Fuzzy DEMATEL analysis of barriers to Blockchain-based life cycle assessment in China

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    The emerging Blockchain technology can drastically improve the effectiveness and efficiency of life cycle assessment, which is widely used for assessing the environmental impact of products and processes. However, Blockchain adoption is impeded by various barriers including systems-related, external, intra-organizational and inter-organizational barriers. So far, no research has analyzed how these barriers interact with each other for better decision-making in life cycle assessment. This research narrows the knowledge gap by prioritizing the important barriers using a fuzzy Decision-Making Trial and Evaluation of Laboratory (DEMATEL) method. Pairwise comparison data were collected from three representative organizations in China, which all have Blockchain implementation experiences. The results show that the key cause barriers are immaturity of technology, and technical challenges for collecting supply chain data in real time. The prominent barriers include lack of new organizational policies for using technology, and lack of government policy/regulation guidance and support, among others. Managerial implications are discussed based on the results and findings

    Knowledge Capturing in Design Briefing Process for Requirement Elicitation and Validation

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    Knowledge capturing and reusing are major processes of knowledge management that deal with the elicitation of valuable knowledge via some techniques and methods for use in actual and further studies, projects, services, or products. The construction industry, as well, adopts and uses some of these concepts to improve various construction processes and stages. From pre-design to building delivery knowledge management principles and briefing frameworks have been implemented across project stakeholders: client, design teams, construction teams, consultants, and facility management teams. At pre-design and design stages, understanding the client’s needs and users’ knowledge are crucial for identifying and articulating the expected requirements and objectives. Due to underperforming results and missed goals and objectives, many projects finish with highly dissatisfied clients and loss of contracts for some organizations. Knowledge capturing has beneficial effects via its principles and methods on requirement elicitation and validation at the briefing stage between user, client and designer. This paper presents the importance and usage of knowledge capturing and reusing in briefing process at pre-design and design stages especially the involvement of client and user, and explores the techniques and technologies that are usable in briefing process for requirement elicitation
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