Search results

1 – 10 of 12
Article
Publication date: 23 October 2023

Jingtao Liu, Lianju Ning and Qifang Gao

In the digital economy era, digital platforms are vital infrastructure for innovation subjects to perform digital innovation activities. Achieving efficient and smooth knowledge…

Abstract

Purpose

In the digital economy era, digital platforms are vital infrastructure for innovation subjects to perform digital innovation activities. Achieving efficient and smooth knowledge transfer between innovation subjects through digital platforms has become a novel research subject. This study aims to examine the knowledge transfer mechanism of digital platforms in the digital innovation ecosystem through modeling and simulation to offer a theoretical basis for digital innovation subjects to acquire digital value through knowledge-sharing and thus augment their competitive advantage.

Design/methodology/approach

This study explores the optimal symbiotic interaction rate between different users based on the classic susceptible-infected-removed (SIR) model. Additionally, it constructs a knowledge transfer mechanism model for digital platforms in the digital innovation ecosystem by combining the theories of communication dynamics and symbiosis. Finally, Matrix Laboratory (MATLAB) software is used for the model and numerical simulation.

Findings

The results demonstrate that (1) the evolutionary path of the symbiotic model is key to digital platforms' knowledge transfer in the digital innovation ecosystem. In the symbiotic model, the knowledge transfer path of digital platforms is “independent symbiosis—biased symbiosis (user benefit)—reciprocal symbiosis,” aligning with the overall interests of the digital innovation ecosystem. (2) Digital platforms' knowledge transfer effects within the digital innovation ecosystem show significant differences. The most effective knowledge transfer model for digital platforms is reciprocal symbiosis, whereas the least effective is parochial symbiosis (platform benefit). (3) The symbiotic rate has a significant positive impact on the evolutionary dynamics of knowledge transfer on digital platforms, especially in the reciprocal symbiosis model.

Originality/value

This study's results aid digital innovators in achieving efficient knowledge transfer through digital platforms and identify how symbiotic relationships affect the knowledge transfer process across the ecosystem. Accordingly, the authors propose targeted recommendations to promote the efficiency of knowledge transfer on digital platforms.

Details

Kybernetes, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 0368-492X

Keywords

Article
Publication date: 8 May 2023

Mengmeng Li, Jian Chen, Jingtao Sun, Long Hao, Di Wu, Jianqiu Wang and Wei Ke

The purpose of this study is to investigate the initial corrosion behavior of pure Mg, AZ31 and AZ91 alloys in phosphate buffer solution (PBS) and to characterize the features in…

Abstract

Purpose

The purpose of this study is to investigate the initial corrosion behavior of pure Mg, AZ31 and AZ91 alloys in phosphate buffer solution (PBS) and to characterize the features in corrosion type and resistance of the corrosion product layer.

Design/methodology/approach

The scanning electron microscopy, equipped with energy-dispersive spectroscopy, X-ray photoelectron spectroscopy and electrochemical impedance spectroscopy have been used to characterize the as-corroded samples. Besides, the Mg2+ concentration in PBSs has been determined by inductively coupled plasma atomic emission spectrum.

Findings

It has been found that pure Mg suffers pit corrosion, and AZ31 initially undergoes pit corrosion and then uniform corrosion dominates with an extended immersion duration. However, AZ91 exhibits the uniform corrosion with the highest corrosion rate among the three materials. Besides, the corrosion product layer on AZ31 has the best compactness and corrosion resistance.

Originality/value

The findings add depth in understanding the corrosion of pure Mg and its alloys in PBS and also have guiding significance in exploring the effects by alloyed elements to develop new biomaterials with better performance.

Details

Anti-Corrosion Methods and Materials, vol. 70 no. 4
Type: Research Article
ISSN: 0003-5599

Keywords

Article
Publication date: 2 February 2024

Qi He, Jingtao Fu, Wenhao Wu and Siqi Feng

Based on achievement motivation theory and two-factor theory, this research aimed to synergize cooperative goal interdependence (refer to possessing incentive factors) and…

Abstract

Purpose

Based on achievement motivation theory and two-factor theory, this research aimed to synergize cooperative goal interdependence (refer to possessing incentive factors) and illegitimate tasks (refer to the absence of security factors) and build a triple interaction model in the process of performance pressure affecting employees’ thriving at work.

Design/methodology/approach

This research collected 291 valid data through a two-point time-lagged method to test the direct effect of performance pressure on employees’ thriving at work and its moderating mechanism.

Findings

Performance pressure has a significant positive effect on employees’ thriving at work. Cooperative goal interdependence imposes an enhanced moderating effect between performance pressure and employees’ thriving at work. Illegitimate task imposes an interfering moderating effect between performance pressure and employees’ thriving at work and further interferes the enhanced moderating effect of cooperative goal interdependence.

Practical implications

Under the premise of advocating for employees to internalize performance pressure originating from the organizational performance management system into their own achievement motivation, leaders should establish incentive systems and security systems for employees to realize self-achievement through the process of goal management and task management.

Originality/value

This research confirmed the joint determination of incentive effect and insecurity effect on employees’ achievement motivation by cooperative goal interdependence and illegitimate task and revealed the boundary conditions of employees’ choice of thriving at work.

Details

Journal of Managerial Psychology, vol. 39 no. 2
Type: Research Article
ISSN: 0268-3946

Keywords

Article
Publication date: 3 March 2020

Xin Yang and Nazanin Rahmani

In the past, with the development of the internet of things (IoT), this paper aims to consider fog computing (FC) as an efficient accompaniment to the cloud to control the IoT’s…

Abstract

Purpose

In the past, with the development of the internet of things (IoT), this paper aims to consider fog computing (FC) as an efficient accompaniment to the cloud to control the IoT’s information and relation requirements. Wholly, FC is placed carefully around the IoT systems/sensors and develops cloud-based computing, memory and networking devices. Fog shares many similarities with the cloud, but the only difference between them is its location, in which fog devices are very close to end-users to process and respond to the client in less time. On the other hand, this system is useful for real-time flowing programs, sensor systems, and IoT that need high speed and reliable internet connectivity. However, there are many applications such as remote healthcare and medical cyber-physical systems, where low latency is needed. To reduce the latency of FC, the task scheduler plays a vital role. The task scheduling means to devote the task to fog resources in an efficient way. Yet, according to the findings, in spite of the preference of task scheduling techniques in the FC, there is not any review and research in this case. So, this paper offers systematic literature research about the available task scheduling techniques. In addition, the advantages and disadvantages associated with different task scheduling processes are considered, and the main challenges of them are addressed to design a more efficient task scheduler in the future. Additionally, according to the seen facts, future instructions are provided for these studies.

Design/methodology/approach

The paper complies with the methodological requirements of systematic literature reviews (SLR). The present paper investigates the newest systems and studies their practical techniques in detail. The applications of task scheduling mechanisms in FC have been categorized into two major groups, including heuristic and meta-heuristic.

Findings

Particularly, the replies to the project problem analyzed task scheduling are principal aim, present problems, project terminologies, methods and approaches in the fog settings. The authors tried to design his systematic discussion as precisely as possible. However, it might have still endured various confidence risks.

Research limitations/implications

This study aimed to be comprehensive but there were some limitations. First, the usage of affair scheduling in fog settings are contained in many places such as editorial notes, academic publications, technical writings, Web pages and so on. The published papers in national magazines were omitted. Also, the papers with the purpose of a special task scheduling issue, which probably consider other subjects rather than affair planning issue are omitted. So, in the competence of this study, this systematic analysis must be considered as the studies published in the central international FC journals. Second, the given issues might not have considered the general task scheduling area, which points to the possibility of describing more related questions that could be described. Third, research and publication bias: five confident electronic databases were chosen based on past study experiments. Finally, the numbers show that these five electronic databases must suggest the most related and reliable projects. Yet, selecting all main performing projects has not been confirmed. Probably some effective projects were omitted throughout the processes in Section 3. Different from the conclusion, changing from the search string to the information extraction exists, and the authors tried to exclude this by satisfying the source in central projects.

Practical implications

The results of this survey will be valuable for academicians, and it can provide visions into future research areas in this domain. Moreover, the disadvantages and advantages of the above systems have been studied, and their key issues have been emphasized to develop a more effective task scheduling mechanisms in the FC mechanisms.

Originality/value

It is useful to show the authors the state-of-the-art in the fog task scheduling area. The consequences of this project make researchers provide a more effective task planning approach in fog settings.

Details

Kybernetes, vol. 50 no. 1
Type: Research Article
ISSN: 0368-492X

Keywords

Article
Publication date: 16 April 2018

Zhihong Gao

This paper aims to examine how the official discourse of frugality evolved in China between 1979 and 2015.

Abstract

Purpose

This paper aims to examine how the official discourse of frugality evolved in China between 1979 and 2015.

Design/methodology/approach

The study uses historical and textual analysis. It divides the Chinese official discourse on frugality between 1979 and 2015 into four periods: 1979-1992, 1993-2002, 2003-2012 and 2013-2015.

Findings

A Chinese official discourse on frugality persisted between 1979 and 2015, even though during the same period, China transformed from a socialist economy of central planning and insufficient supply to a market economy of excessive supply and weak consumer demand. The intensity of this official discourse frequently vacillated, adjusting to both economic and political conditions of the time as part of the larger political-economic contestation between competing ideas and policies.

Originality/value

There have been calls for more studies on how frugality discourses have evolved in international markets, especially in terms of how they are shaped by local historical antecedents and long-standing tensions. Through the Chinese case, this article illuminates why some traditional values persist and obtain a paradoxical co-existence with consumerist ethos in our modern society.

Details

Journal of Historical Research in Marketing, vol. 10 no. 2
Type: Research Article
ISSN: 1755-750X

Keywords

Article
Publication date: 17 May 2011

Yongqiang Gao

Given the country‐specific characteristics of corporate social responsibility (CSR), there is an increasing interest in studying CSR in developing countries. Such studies play an…

9159

Abstract

Purpose

Given the country‐specific characteristics of corporate social responsibility (CSR), there is an increasing interest in studying CSR in developing countries. Such studies play an important role in broadening people's knowledge of CSR under different economic, social and cultural conditions. The purpose of this paper is to examine the CSR reports (CSRRs) of listed companies in the largest emerging market, namely China.

Design/methodology/approach

Based on a content analysis of 81 CSRRs (2007) of listed companies in domestic security markets of China (the Shanghai Security Exchanges and Shenzhen Security Exchange), the CSR features of Chinese companies are thoroughly evaluated.

Findings

The main findings of the study are as follows. Only 5.05 percent of listed companies published their CSRRs in China, and 4.42 percent of them issued a separate CSRR. Most companies (97.18 percent) use “CSRR” as the name of their stand‐alone CSRRs; 79 percent of companies hold a positive attitude to taking on social responsibilities, while no company holds a negative attitude. Various social issues and stakeholders of companies are addressed in CSRRs. In general, state‐owned enterprises (SOEs) have higher propensity to address most of social issues, which may reflect that SOEs are more politically sensitive than non‐SOEs because most of the social issues are just “political slogans” proposed by the Chinese Government in recent years. However, non‐SOEs have better performance than SOEs in addressing the interests of stakeholders. Meanwhile, industrial firms show higher propensity to address the interests of stakeholders than service firms.

Research limitations/implications

The results of this study indicate that CSR reporting practice is still at an early stage of development in China. Meanwhile, Chinese companies tend to follow the Chinese guidelines in issuing CSRRs rather than adopt international guidelines. In addition, Chinese companies are somewhat politically sensitive in addressing social issues. A major weakness of this study is that the sample only represents the best companies in assuming social responsibilities in China, thus some results cannot be generalized to all Chinese companies.

Originality/value

The paper helps people, especially Westerners, to comprehend CSR in China. To the author's knowledge, this paper is the first of its kind to examine CSR in China.

Details

Baltic Journal of Management, vol. 6 no. 2
Type: Research Article
ISSN: 1746-5265

Keywords

Article
Publication date: 19 June 2020

Mhamed Zineddine

Trust is one of the main pillars of many communication and interaction domains. Computing is no exception. Fog computing (FC) has emerged as mitigation of several cloud computing…

Abstract

Purpose

Trust is one of the main pillars of many communication and interaction domains. Computing is no exception. Fog computing (FC) has emerged as mitigation of several cloud computing limitations. However, selecting a trustworthy node from the fog network still presents serious challenges. This paper aims to propose an algorithm intended to mitigate the trust and the security issues related to selecting a node of a fog network.

Design/methodology/approach

The proposed model/algorithm is based on two main concepts, namely, machine learning using fuzzy neural networks (FNNs) and the weighted weakest link (WWL) algorithm. The crux of the proposed model is to be trained, validated and used to classify the fog nodes according to their trust scores. A total of 2,482 certified computing products, in addition to a set of nodes composed of multiple items, are used to train, validate and test the proposed model. A scenario including nodes composed of multiple computing items is designed for applying and evaluating the performance of the proposed model/algorithm.

Findings

The results show a well-performing trust model with an accuracy of 0.9996. Thus, the end-users of FC services adopting the proposed approach could be more confident when selecting elected fog nodes. The trained, validated and tested model was able to classify the nodes according to their trust level. The proposed model is a novel approach to fog nodes selection in a fog network.

Research limitations/implications

Certainly, all data could be collected, however, some features are very difficult to have their scores. Available techniques such as regression analysis and the use of the experts have their own limitations. Experts might be subjective, even though the author used the fuzzy group decision-making model to mitigate the subjectivity effect. A methodical evaluation by specialized bodies such as the security certification process is paramount to mitigate these issues. The author recommends the repetition of the same study when data form such bodies is available.

Originality/value

The novel combination of FNN and WWL in a trust model mitigates uncertainty, subjectivity and enables the trust classification of complex FC nodes. Furthermore, the combination also allowed the classification of fog nodes composed of diverse computing items, which is not possible without the WWL. The proposed algorithm will provide the required intelligence for end-users (devices) to make sound decisions when requesting fog services.

Details

Information & Computer Security, vol. 28 no. 5
Type: Research Article
ISSN: 2056-4961

Keywords

Article
Publication date: 7 December 2021

Jiuhong Yu, Mengfei Wang, Yu J.H. and Seyedeh Maryam Arefzadeh

This paper aims to offer a hybrid genetic algorithm and the ant colony optimization (GA-ACO) algorithm for task mapping and resource management. The paper aims to reduce the…

Abstract

Purpose

This paper aims to offer a hybrid genetic algorithm and the ant colony optimization (GA-ACO) algorithm for task mapping and resource management. The paper aims to reduce the makespan and total response time in fog computing- medical cyber-physical system (FC-MCPS).

Design/methodology/approach

Swift progress in today’s medical technologies has resulted in a new kind of health-care tool and therapy techniques like the MCPS. The MCPS is a smart and reliable mechanism of entrenched clinical equipment applied to check and manage the patients’ physiological condition. However, the extensive-delay connections among cloud data centers and medical devices are so problematic. FC has been introduced to handle these problems. It includes a group of near-user edge tools named fog points that are collaborating until executing the processing tasks, such as running applications, reducing the utilization of a momentous bulk of data and distributing the messages. Task mapping is a challenging problem for managing fog-based MCPS. As mapping is an non-deterministic pol ynomial-time-hard optimization issue, this paper has proposed a procedure depending on the hybrid GA-ACO to solve this problem in FC-MCPS. ACO and GA, that is applied in their standard formulation and combined as hybrid meta-heuristics to solve the problem. As such ACO-GA is a hybrid meta-heuristic using ACO as the main approach and GA as the local search. GA-ACO is a memetic algorithm using GA as the main approach and ACO as local search.

Findings

MATLAB is used to simulate the proposed method and compare it to the ACO and MACO algorithms. The experimental results have validated the improvement in makespan, which makes the method a suitable one for use in medical and real-time systems.

Research limitations/implications

The proposed method can achieve task mapping in FC-MCPS by attaining high efficiency, which is very significant in practice.

Practical implications

The proposed approach can achieve the goal of task scheduling in FC-MCPS by attaining the highest total computational efficiency, which is very significant in practice.

Originality/value

This research proposes a GA-ACO algorithm to solve the task mapping in FC-MCPS. It is the most significant originality of the paper.

Details

Circuit World, vol. 49 no. 3
Type: Research Article
ISSN: 0305-6120

Keywords

Article
Publication date: 27 July 2012

Bing Wang

The purpose of this paper is to reargue the great controversies surrounding marketization, by the concept of intrinsic value and to give a panorama of China's marketization and…

Abstract

Purpose

The purpose of this paper is to reargue the great controversies surrounding marketization, by the concept of intrinsic value and to give a panorama of China's marketization and social development during last 30 years.

Design/methodology/approach

The concept of intrinsic value is elaborated, and marketization and closely linked concepts such as price, wealth, happiness, freedom, etc. are reargued. An intrinsic value account (IVA) is constructed and the enhancement and weakening of some intrinsic values could be clearly shown. A panorama of China's marketization and social development is exhibited by IVA.

Findings

The basic point of this paper is that social development is a concept with strong but implicit ethical assumption and should be explicitly based upon intrinsic value. Without concrete definition and consensus on intrinsic value, it will face great disputes on judging human history as social development or social degradation. Market is not only an objective value‐neural system, but a subjective moral entity. China's maketization has enhanced economic value greatly, but suffered great loss by other intrinsic values.

Practical implications

IVA could be a practical instrument to evaluate social development and clarify the possible academic controversies on market. The arguments of China's marketization experience could be of benefit to other developing countries.

Social implications

This paper could encourage people, particularly policy makers, to consider their value assumptions, value priority, some basic concepts in market, and what human kind is really pursuing.

Originality/value

The paper shows that IVA could be a new instrument to better evaluate social development, similar to the National Income Account or National Happiness Account.

Details

International Journal of Social Economics, vol. 39 no. 9
Type: Research Article
ISSN: 0306-8293

Keywords

Article
Publication date: 15 December 2022

Cong Wang, Henry Liu, Michael C.P. Sing and Jin Wu

Pre-construction of a project comprises stages that are pivotal for the procurement performance. It is defined as the duration from the project's initiation to construction…

Abstract

Purpose

Pre-construction of a project comprises stages that are pivotal for the procurement performance. It is defined as the duration from the project's initiation to construction. However, Private Public Partnerships (PPPs) have been subjected to a long pre-construction, thereby leading to an inefficient development process. Therefore, the purpose of this paper is to pay attention to the influencing factors elongating the pre-construction duration.

Design/methodology/approach

Based on data of 5,677 PPP projects between 2009 and 2021 in China, the authors adopt the Accelerated Failure Time (AFT) model in duration analysis to empirically analyze the following underlying dynamics determining the duration of PPP pre-construction stages: (1) policy uncertainty; (2) corruption; and (3) procurement method selection. To observe the influencing paths more specifically, the authors divided the pre-construction duration into the pre-tendering period and tendering period and regressed them separately.

Findings

The results indicate that the pre-construction duration is significantly prolonged with increased policy uncertainty and corruption degree as well as the use of tendering methods. Meanwhile, the above factors have a greater impact on the pre-tendering period than the tendering period.

Originality/value

The contribution of this study is twofold: (1) theoretically, this paper provides new evidence on the impact of PPP policy uncertainty, corruption and procurement method selection on the pre-construction duration. It complements empirical studies on the factors elongating the time efficiency of PPPs projects. (2) In practice, it provides a specific path for the government to improve the time efficiency of PPPs.

Details

Engineering, Construction and Architectural Management, vol. 31 no. 4
Type: Research Article
ISSN: 0969-9988

Keywords

1 – 10 of 12