Kybernetes: Volume 51 Issue 4

Visualization of preference aggregation based on Weber point in social network group decision-making problem

Zhiqin Yang, Wuyong Qian, Jue Wang

This study aims to construct a Weber point-based model to complete the visualization of preference aggregation in group decision-making problem, in which decision-makers are…

College-level mathematical modelling with mobile devices

Spartak Sakibayev

This work is devoted to increasing the effectiveness of a mathematical modelling lesson with the help of mobile devices. It verifies the authors' hypothesis which states that…

Network analysis of collaboration in networked universities

Jose D. Meisel, Felipe Montes, Angie M. Ramirez, Pablo D. Lemoine, Juan A. Valdivia, Roberto Zarama

In Latin America and the Caribbean, the access of students to higher education has presented an extraordinary growth over the past fifteen years. This rapid growth has presented a…

An improved discrete grey multivariable model for forecasting the R&D output of China—from the perspective of R&D institutions

Jue Wang, Wuyong Qian

The purpose of this study is to make a prediction of the R&D output of China from the perspective of R&D institutions and put forward a set of policy recommendations for further…

Toward the efficient service selection approaches in cloud computing

Morteza Rahimi, Nima Jafari Navimipour, Mehdi Hosseinzadeh, Mohammad Hossein Moattar, Aso Darwesh

This paper follows a systematic literature review (SLR) method covering the published studies until March 2021. The authors have extracted the related studies from different…

The pricing strategy of dual-channel supply chain with risk-averse agents and heterogeneous preference consumers

Rufeng Wang, Zhiyong Chang, Shuli Yan

The purpose of this paper is to investigate the pricing strategy and the impact of agents' risk preference in a dual-channel supply chain in which both agents are risk-averse.

A new fuzzy FUCOM-QFD approach for evaluating strategies to enhance the resilience of the healthcare sector to combat the COVID-19 pandemic

Feroz Khan, Yousaf Ali, Dragan Pamucar

The coronavirus disease 2019 (COVID-19) pandemic has subjected a considerable strain on the healthcare (HC) systems around the world. The most affected countries are developing…

Advertising and pricing strategies for the manufacturer in the presence of brown and green products

Dan Shi, Weijia Zhang, Guangyu Zou, Jinkun Ping

The purpose of this paper is to explore the operation strategies of a manufacturer who produces brown and green product simultaneously.

Research on the impact of green bond issuance on the stock price of listed companies

Bin Xi, Huimin Jing

Considering that listed companies are the main body of natural resource consumption and pollutant emission, this study aims to explore the stock price effect and source channels…

A novel location-inventory-routing problem in a two-stage red meat supply chain with logistic decisions: evidence from an emerging economy

Misagh Rahbari, Seyed Hossein Razavi Hajiagha, Hannan Amoozad Mahdiraji, Farshid Riahi Dorcheh, Jose Arturo Garza-Reyes

This study focuses on a specific method of meat production that involves carcass purchase and meat production by packing facilities with a novel two-stage model that…

Virtual medical learning: a comprehensive study on the role of new technologies

Mi Tang, Hongmei Zhou, Qingyan Yan, Ruoyu Li, Hui Lu

Healthcare employs informatics to offer its services through information technology where the social network can aid virtual medical learning. Since the usage of the internet and…

Influencing factors of knowledge enhancement of corporate universities in China

Yunqi Chen, Yusen Xu

Corporate universities are regarded as the knowledge management institution of enterprises, but how to improve knowledge enhancement function has not been investigated…

A meta-analysis of the variables related to turnover intention among IT personnel

Ahmet Hakan Özkan

This study aims to investigate the relationships between job satisfaction, organizational commitment and turnover intention of information technology (IT) personnel.

Impacts of winter heating on the population mobility of northern China's prefectural cities: evidence from a regression discontinuity design

Haiya Cai, Yongqing Nan, Yongliang Zhao, Haoran Xiao

The purpose of this study is to regard winter heating as a quasi-natural experiment to identify the possible causal effects of winter heating on population mobility. However…

Pythagorean probabilistic hesitant fuzzy aggregation operators and their application in decision-making

Bushra Batool, Saleem Abdullah, Shahzaib Ashraf, Mumtaz Ahmad

This is mainly because the restrictive condition of intuitionistic hesitant fuzzy number (IHFN) is relaxed by the membership functions of Pythagorean probabilistic hesitant fuzzy…