scholarly journals A Fuzzy Delphi Consensus Methodology Based on a Fuzzy Ranking

Mathematics ◽  
2021 ◽  
Vol 9 (18) ◽  
pp. 2323
Author(s):  
Antonio Francisco Roldán López de Hierro ◽  
Miguel Sánchez ◽  
Daniel Puente-Fernández ◽  
Rafael Montoya-Juárez ◽  
Concepción Roldán
Keyword(s):  
Delphi Method ◽  
Fuzzy Numbers ◽  
Cross Cultural ◽  
Delphi Consensus ◽  
Real Numbers ◽  
Fuzzy Delphi ◽  
Wide Range ◽  
Fuzzy Ranking ◽  
The One ◽  
Strongly Agree

Delphi multi-round survey is a procedure that has been widely and successfully used to aggregate experts’ opinions about some previously established statements or questions. Such opinions are usually expressed as real numbers and some commentaries. The evolution of the consensus can be shown by an increase in the agreement percentages, and a decrease in the number of comments made. A consensus is reached when this percentage exceeds a certain previously set threshold. If this threshold has not been reached, the moderator modifies the questionnaire according to the comments he/she has collected, and the following round begins. In this paper, a new fuzzy Delphi method is introduced. On the one hand, the experts’ subjective judgments are collected as fuzzy numbers, enriching the approach. On the other hand, such opinions are collected through a computerized application that is able to interpret the experts’ opinions as fuzzy numbers. Finally, we employ a recently introduced fuzzy ranking methodology, satisfying many properties according to human intuition, in order to determine whether the expert’s fuzzy opinion is favorable enough (comparing with a fixed fuzzy number that indicates Agree or Strongly Agree). A cross-cultural validation was performed to illustrate the applicability of the proposed method. The proposed approach is simple for two reasons: it does not need a defuzzification step of the experts’ answers, and it can consider a wide range of fuzzy numbers not only triangular or trapezoidal fuzzy numbers.

scholarly journals Enhanced Fuzzy Delphi Method in Forecasting and Decision-Making

2021 ◽  
Vol 2021 ◽  
pp. 1-6
Author(s):  
Majed G. Alharbi ◽  
Hamiden Abd El- Wahed Khalifa
Keyword(s):  
Delphi Method ◽  
Fuzzy Numbers ◽  
Estimation Procedure ◽  
Rand Corporation ◽  
Triangular Fuzzy Numbers ◽  
Subjective Data ◽  
Fuzzy Delphi ◽  
Santa Monica ◽  
Communication Method ◽  
Stable Points

The Delphi method is a process where subjective data are transformed into quasi-objective data using statistical analysis and are converged to stable points. The Delphi method was developed by the RAND Corporation at Santa Monica, California, and is widely used for long-range forecasting in management science. It is a method by which the subjective data of experts are made to converge using some statistical analyses. This article proposes a variation of the Delphi method using triangular fuzzy numbers, where the communication method with the experts is the same, but the estimation procedure is different. The utility of the method is illustrated by a numerical example.

scholarly journals Tauberian theorems for Lambert and zeta summability methods in fuzzy number space

Filomat ◽  
2017 ◽  
Vol 31 (18) ◽  
pp. 5803-5810
Author(s):  
Enes Yavuz
Keyword(s):  
Fuzzy Number ◽  
Fuzzy Numbers ◽  
Summability Method ◽  
Tauberian Theorems ◽  
Real Numbers ◽  
Summability Methods ◽  
The One

We extend Lambert and zeta summability methods to space of fuzzy numbers and prove Tauberian theorems for Lambert and zeta summability methods of fuzzy numbers, the one for zeta summability method providing a new proof when the sequence is of real numbers.

General Trend of Negative Transference Number in Li Salt/Ionic Liquid Mixtures

2019 ◽  
Author(s):  
Nicola Molinari ◽  
Jonathan P. Mailoa ◽  
Boris Kozinsky
Keyword(s):  
Ionic Liquid ◽  
Transference Number ◽  
Liquid Mixtures ◽  
Single Linkage ◽  
Self Diffusion ◽  
Wide Range ◽  
Single Linkage Cluster ◽  
Concentrated Solution ◽  
The One ◽  
Dynamics Simulations

We show that strong cation-anion interactions in a wide range of lithium-salt/ionic liquid mixtures result in a negative lithium transference number, using molecular dynamics simulations and rigorous concentrated solution theory. This behavior fundamentally deviates from the one obtained using self-diffusion coefficient analysis and agrees well with experimental electrophoretic NMR measurements, which accounts for ion correlations. We extend these findings to several ionic liquid compositions. We investigate the degree of spatial ionic coordination employing single-linkage cluster analysis, unveiling asymmetrical anion-cation clusters. Additionally, we formulate a way to compute the effective lithium charge that corresponds to and agrees well with electrophoretic measurements and show that lithium effectively carries a negative charge in a remarkably wide range of chemistries and concentrations. The generality of our observation has significant implications for the energy storage community, emphasizing the need to reconsider the potential of these systems as next generation battery electrolytes.<br>

scholarly journals Applied sport science and medicine of women’s rugby codes: a systematic-scoping review and consensus on future research priorities protocol

2021 ◽  
Vol 7 (3) ◽  
pp. e001108
Author(s):  
Omar Heyward ◽  
Stacey Emmonds ◽  
Gregory Roe ◽  
Sean Scantlebury ◽  
Keith Stokes ◽  
...  
Keyword(s):  
Scoping Review ◽  
Research Priorities ◽  
Consensus Method ◽  
Future Research ◽  
Delphi Consensus ◽  
Medicine Research ◽  
Sport Science ◽  
Priority Areas ◽  
Wide Range ◽  
Scoping Reviews

Women’s rugby (rugby league, rugby union and rugby sevens) has recently grown in participation and professionalisation. There is under-representation of women-only cohorts within applied sport science and medicine research and within the women’s rugby evidence base. The aims of this article are: Part 1: to undertake a systematic-scoping review of the applied sport science and medicine of women’s rugby, and Part 2: to develop a consensus statement on future research priorities. This article will be designed in two parts: Part 1: a systematic-scoping review, and Part 2: a three-round Delphi consensus method. For Part 1, systematic searches of three electronic databases (PubMed (MEDLINE), Scopus, SPORTDiscus (EBSCOhost)) will be performed from the earliest record. These databases will be searched to identify any sport science and medicine themed studies within women’s rugby. The Preferred Reporting Items for Systematic Reviews and Meta-analyses extension for Scoping Reviews will be adhered to. Part 2 involves a three-round Delphi consensus method to identify future research priorities. Identified experts in women’s rugby will be provided with overall findings from Part 1 to inform decision-making. Participants will then be asked to provide a list of research priority areas. Over the three rounds, priority areas achieving consensus (≥70% agreement) will be identified. This study has received institutional ethical approval. When complete, the manuscript will be submitted for publication in a peer-reviewed journal. The findings of this article will have relevance for a wide range of stakeholders in women’s rugby, including policymakers and governing bodies.

scholarly journals Modes of Interaction in Naturally Occurring Medical Encounters With General Practitioners: The “One in a Million” Study

2021 ◽  
pp. 104973232199379
Author(s):  
Olaug S. Lian ◽  
Sarah Nettleton ◽  
Åge Wifstad ◽  
Christopher Dowrick
Keyword(s):  
General Practitioners ◽  
Narrative Analysis ◽  
Mode Competition ◽  
General Applicability ◽  
Naturally Occurring ◽  
Wide Range ◽  
The One ◽  
Narrative Mode ◽  
Modes Of Interaction

In this article, we qualitatively explore the manner and style in which medical encounters between patients and general practitioners (GPs) are mutually conducted, as exhibited in situ in 10 consultations sourced from the One in a Million: Primary Care Consultations Archive in England. Our main objectives are to identify interactional modes, to develop a classification of these modes, and to uncover how modes emerge and shift both within and between consultations. Deploying an interactional perspective and a thematic and narrative analysis of consultation transcripts, we identified five distinctive interactional modes: question and answer (Q&A) mode, lecture mode, probabilistic mode, competition mode, and narrative mode. Most modes are GP-led. Mode shifts within consultations generally map on to the chronology of the medical encounter. Patient-led narrative modes are initiated by patients themselves, which demonstrates agency. Our classification of modes derives from complete naturally occurring consultations, covering a wide range of symptoms, and may have general applicability.

Challenges of Small- and Medium-Sized Enterprises (SMEs) in Business Growth: A Case of Footwear Industry

2020 ◽  
pp. 2516600X2097412
Author(s):  
A. K. M. Hedaitul Islam ◽  
Md. Rayhan Sarker ◽  
Md. Israil Hossain ◽  
Kauser Ali ◽  
K. M. Asadun Noor
Keyword(s):  
Delphi Method ◽  
Market Competition ◽  
Bank Loan ◽  
Fuzzy Analytical Hierarchy Process ◽  
Business Growth ◽  
Fuzzy Delphi ◽  
Footwear Industry ◽  
Research Gap ◽  
The Government ◽  
Hierarchy Process

Small- and medium-sized enterprises (SMEs) create more employment opportunities and thus, contribute to the national economy of a country. Footwear SMEs have been identified as an emerging economy in Bangladesh, which is facing several challenges. Very few studies focused on the challenges of SMEs’ business growth. However, until now, no literature particularly focused on the challenges of footwear SMEs and discussed how to tackle these challenges. To fill this research gap, we use the Fuzzy Delphi Method and fuzzy analytical hierarchy process, to find out the degree of importance of critical challenges of footwear SMEs. In our study, 16 critical challenges are identified among which lingering in cash flow (F3), fierce market competition (E1), access to finance (F2), unfavorable bank loan policy (F1), and poor supply chain management (E2) have been ascertained as the top five critical challenges, respectively. This study contributes to the existing literature of SMEs by identifying five new challenges from the context of the footwear industry. Furthermore, we suggest some possible measures to overcome the identified challenges. This study can guide the government, practitioners, and SME policymakers to address these challenges for the growth of any SME sector.

scholarly journals Entangling Lattice-Trapped Bosons with a Free Impurity: Impact on Stationary and Dynamical Properties

Entropy ◽  
2021 ◽  
Vol 23 (3) ◽  
pp. 290
Author(s):  
Maxim Pyzh ◽  
Kevin Keiler ◽  
Simeon I. Mistakidis ◽  
Peter Schmelcher
Keyword(s):  
Structural Changes ◽  
Many Body ◽  
Wide Range ◽  
Entropy Measures ◽  
Particle Level ◽  
The Many ◽  
The One ◽  
Tunneling Dynamics ◽  
The Individual ◽  
Trapped Bosons

We address the interplay of few lattice trapped bosons interacting with an impurity atom in a box potential. For the ground state, a classification is performed based on the fidelity allowing to quantify the susceptibility of the composite system to structural changes due to the intercomponent coupling. We analyze the overall response at the many-body level and contrast it to the single-particle level. By inspecting different entropy measures we capture the degree of entanglement and intraspecies correlations for a wide range of intra- and intercomponent interactions and lattice depths. We also spatially resolve the imprint of the entanglement on the one- and two-body density distributions showcasing that it accelerates the phase separation process or acts against spatial localization for repulsive and attractive intercomponent interactions, respectively. The many-body effects on the tunneling dynamics of the individual components, resulting from their counterflow, are also discussed. The tunneling period of the impurity is very sensitive to the value of the impurity-medium coupling due to its effective dressing by the few-body medium. Our work provides implications for engineering localized structures in correlated impurity settings using species selective optical potentials.

scholarly journals Bio-Inspired Modality Fusion for Active Speaker Detection

2021 ◽  
Vol 11 (8) ◽  
pp. 3397
Author(s):  
Gustavo Assunção ◽  
Nuno Gonçalves ◽  
Paulo Menezes
Keyword(s):  
Superior Colliculus ◽  
Visual Information ◽  
Human Beings ◽  
Validation Process ◽  
Detection Approach ◽  
Wide Range ◽  
Speaker Detection ◽  
The One ◽  
The Brain ◽  
Fusion Ability

Human beings have developed fantastic abilities to integrate information from various sensory sources exploring their inherent complementarity. Perceptual capabilities are therefore heightened, enabling, for instance, the well-known "cocktail party" and McGurk effects, i.e., speech disambiguation from a panoply of sound signals. This fusion ability is also key in refining the perception of sound source location, as in distinguishing whose voice is being heard in a group conversation. Furthermore, neuroscience has successfully identified the superior colliculus region in the brain as the one responsible for this modality fusion, with a handful of biological models having been proposed to approach its underlying neurophysiological process. Deriving inspiration from one of these models, this paper presents a methodology for effectively fusing correlated auditory and visual information for active speaker detection. Such an ability can have a wide range of applications, from teleconferencing systems to social robotics. The detection approach initially routes auditory and visual information through two specialized neural network structures. The resulting embeddings are fused via a novel layer based on the superior colliculus, whose topological structure emulates spatial neuron cross-mapping of unimodal perceptual fields. The validation process employed two publicly available datasets, with achieved results confirming and greatly surpassing initial expectations.

Intuitionistic fuzzy two-factor variance analysis of movie ticket sales

2021 ◽  
pp. 1-11
Author(s):  
Velichka Traneva ◽  
Stoyan Tranev
Keyword(s):  
Comparative Analysis ◽  
Real Data ◽  
Intuitionistic Fuzzy Sets ◽  
Real Numbers ◽  
Data Set ◽  
Important Method ◽  
Ticket Sales ◽  
Intuitionistic Fuzzy ◽  
The One ◽  
First Time

Analysis of variance (ANOVA) is an important method in data analysis, which was developed by Fisher. There are situations when there is impreciseness in data In order to analyze such data, the aim of this paper is to introduce for the first time an intuitionistic fuzzy two-factor ANOVA (2-D IFANOVA) without replication as an extension of the classical ANOVA and the one-way IFANOVA for a case where the data are intuitionistic fuzzy rather than real numbers. The proposed approach employs the apparatus of intuitionistic fuzzy sets (IFSs) and index matrices (IMs). The paper also analyzes a unique set of data on daily ticket sales for a year in a multiplex of Cinema City Bulgaria, part of Cineworld PLC Group, applying the two-factor ANOVA and the proposed 2-D IFANOVA to study the influence of “ season ” and “ ticket price ” factors. A comparative analysis of the results, obtained after the application of ANOVA and 2-D IFANOVA over the real data set, is also presented.

scholarly journals The origins of modern cross-cultural European interpretations of Chinese philosophy. New thoughts on China in the work of G. W. Leibniz

Human Affairs ◽  
2020 ◽  
Vol 30 (2) ◽  
pp. 146-163
Author(s):  
Břetislav Horyna
Keyword(s):  
Natural Philosophy ◽  
Chinese Philosophy ◽  
Cross Cultural ◽  
Christian Mission ◽  
Institutional Economic ◽  
The World ◽  
European Philosophy ◽  
The One ◽  
Historical Contribution ◽  
Mutual Agreement

AbstractLeibniz was not the one to discover China, as far as Western culture was concerned. His historical contribution lies in the fact he presented Europe and China as two distinct ways of contemplating the world, as fully comparable and resulting in types of societies at the same high institutional, economic, technological, political and moral level. In this sense he saw China as the “Europe of the Orient” and as such susceptible to investigation by the same tools of natural philosophy which Leibniz knew from the environs of European scholarship. He was the first representative of the classical school of European philosophy to knowingly reject Eurocentrism. Leibniz followed the intentions of learned missionaries in his understanding of the Christian mission as a cultural and civilisational task, a search for mutual agreement and connections, in favour of a reciprocal understanding.

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