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Article

Evangelia K. Karaxi, Ioannis A. Kartsonakis and Costas A. Charitidis

Magnesium-aluminum layered double hydroxides (LDH) with a platelet-like morphology were synthesized through a modified co-precipitation method. The purpose of this paper…

Abstract

Purpose

Magnesium-aluminum layered double hydroxides (LDH) with a platelet-like morphology were synthesized through a modified co-precipitation method. The purpose of this paper is to investigate calcined Mg-Al-CO3 LDH (CLDH) as chloride ion traps.

Design/methodology/approach

The morphology and chemical composition of the synthesized materials were studied through UHR-SEM, EDS, FT-IR and XRD. The chloride ion adsorption was confirmed by XRD; the characteristic diffraction peaks of the reconstructed LDH structure were revealed, similar to the one before the thermal treatment process. The effect of varying the experimental conditions on the chloride ion adsorption, such as the initial target-ion concentration, the adsorbent material dosage, the solution temperature and the solution pH was also investigated.

Findings

The experimental data fitting revealed that the Langmuir equation is a better model on the basis of correlation coefficients (R2) and that the pseudo-second kinetic model can satisfactorily describe the chloride ion uptake.

Originality/value

The ability of Mg-Al CLDH to recover their layered structure upon exposure to aqueous sodium chloride solutions with concentrations up to 0.3 M (10,636 mg/L) through the chloride adsorption and the simultaneous rehydration process is clearly demonstrated.

Details

International Journal of Structural Integrity, vol. 7 no. 6
Type: Research Article
ISSN: 1757-9864

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Abstract

Details

Delivering Tourism Intelligence
Type: Book
ISBN: 978-1-78769-810-9

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Article

Huifang Li, Yulin Fang, Youwei Wang, Kai H. Lim and Liang Liang

In the competitive e-marketplace today, sellers are using an increasing number of signals to entice customers to make online purchases. However, how differential these…

Abstract

Purpose

In the competitive e-marketplace today, sellers are using an increasing number of signals to entice customers to make online purchases. However, how differential these signals are in terms of their capacity to improve sales performance has not yet been investigated. The paper aims to discuss this issue.

Design/methodology/approach

Drawing on signaling theory and grounded in the context of China’s largest e-marketplace, Taobao, this study investigated the different effects of five commonly used signals on the sales performance of e-marketplace sellers.

Findings

The authors find that warranty has the highest effect on sales performance, followed by overall rating, mean detailed seller rating, percent of positives, and web site quality.

Originality/value

First, this study builds on signaling theory and contributes to the e-marketplace literature by providing new insights into how specific signals differentially affect sales performance in the e-marketplace (with evidence from a large-scale empirical analysis). Second, the study extends the applicability of signaling theory to the e-marketplace domain by incorporating distinctive features of the e-marketplace into the original signaling theory. Finally, the findings lend practical support to e-marketplace sellers’ investment decisions on signals and provide guidelines for deployment of such signals.

Details

Information Technology & People, vol. 28 no. 3
Type: Research Article
ISSN: 0959-3845

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Book part

Christopher Hazlehurst and Keith D. Brouthers

In this chapter, the authors undertake a systematic review of the literature to identify research exploring the use of new information and communication technologies…

Abstract

In this chapter, the authors undertake a systematic review of the literature to identify research exploring the use of new information and communication technologies (ICT). New ICT include the use of the Internet, mobile communications, and social technologies. The authors find that while interest in the area is increasing, especially among marketing and information systems scholars, there seems to be far less research interest among international business (IB) and strategy scholars. This chapter provides a summary of the research that has been done and discusses some potential future research areas that IB and strategy researchers might wish to pursue. Among these projects are investigating the use of ICT as a tool to aid the internationalization process, improve location choice and entry mode decisions, and identify and create a sustainable competitive advantage. The use of ICT in business is pervasive; As research scholars, we need to build these technologies into our theories and research to help managers determine what works and where certain technologies can help create better performing firms.

Details

International Business in the Information and Digital Age
Type: Book
ISBN: 978-1-78756-326-1

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Article

Dion Hoe‐Lian Goh, Khasfariyati Razikin, Chei Sian Lee, Ee Peng Lim, Kalyani Chatterjea and Chew Hung Chang

Mobile devices used in educational settings are usually employed within a collaborative learning activity in which learning takes place in the form of social interactions…

Abstract

Purpose

Mobile devices used in educational settings are usually employed within a collaborative learning activity in which learning takes place in the form of social interactions between team members while performing a shared task. The authors aim to introduce MobiTOP (Mobile Tagging of Objects and People), a mobile annotation system that allows users to contribute and share geospatial multimedia annotations via mobile devices.

Design/methodology/approach

Field observations and interviews were conducted. A group of trainee teachers involved in a geography field study were instructed to identify rock formations by collaborating with each other using the MobiTOP system. The trainee teachers who were in the field were guided by their lab counterparts on the tasks required to identify the rock formations.

Findings

Participants were able to appreciate the fieldwork task as it augmented their classroom lessons. The system allowed them to communicate with one another in order to meet the objectives of the study. However, there were some technical difficulties in relation to the affordance of the mobile and web applications that affected the usefulness of the applications.

Originality/value

This study reports the design and implementation of a mobile annotation system that was evaluated in an actual classroom setting. The results of this work have implications for both mobile applications design and mobile learning.

Details

The Electronic Library, vol. 30 no. 5
Type: Research Article
ISSN: 0264-0473

Keywords

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Article

Alton Y.K. Chua, Dion H. Goh and Rebecca P. Ang

The purpose of this paper is to investigate the extent to which Web 2.0 applications are prevalent in government web sites, the ways in which Web 2.0 applications have…

Abstract

Purpose

The purpose of this paper is to investigate the extent to which Web 2.0 applications are prevalent in government web sites, the ways in which Web 2.0 applications have been used in government web sites, as well as whether the presence of Web 2.0 applications correlates with the perceived quality of government web sites.

Design/methodology/approach

Divided equally between developing and advanced economies, a total of 200 government web sites were analysed using content analysis and multiple regression analysis.

Findings

The prevalence of seven Web 2.0 applications in descending order was: RSS, multimedia sharing services, blogs, forums, social tagging services, social networking services and wikis. More web sites in advanced countries include Web 2.0 applications than those in developing countries. The presence of Web 2.0 applications was found to have a correlation with the overall web site quality, and in particular, service quality.

Research limitations/implications

This paper only covers government web sites in English. Emerging genres of Web 2.0 applications such as mashups and virtual worlds have not been included. Moreover the data were drawn solely from the public domain.

Practical implications

Decision makers and e‐government web developers may benchmark their own efforts in deploying Web 2.0 applications against this study. The numerous exemplars cited here serve as a springboard to generate more ideas on how Web 2.0 applications could be used and harnessed to improve the overall quality of government web sites.

Originality/value

This paper unites two research interests: Web 2.0 and web site quality. It also extends previous studies by investigating the suite of Web 2.0 applications found in government web sites around the world.

Details

Online Information Review, vol. 36 no. 2
Type: Research Article
ISSN: 1468-4527

Keywords

Abstract

Details

Developing Africa’s Financial Services
Type: Book
ISBN: 978-1-78714-186-5

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Article

M. Xie, K.C. Tan, K.H. Goh and X.R. Huang

Fault tree analysis (FTA) is a technique widely used in the study of the reliability of industrial systems and to quantify risks associated with potentially hazardous…

Abstract

Fault tree analysis (FTA) is a technique widely used in the study of the reliability of industrial systems and to quantify risks associated with potentially hazardous systems. Most of the studies carried out are related to how to construct a fault tree and how to carry out qualitative and quantitative analysis. However, this paper studies an approach for prioritisation and optimum resource allocation by making use of the FTA technique. The basic idea is to develop a simple procedure for the ranking of basic elements in the complex system, so that maximum increase in reliability can be achieved. We compare our approach with the existing basic event importance measures, and show that the simple approach is easy to apply and provides ranking that is similar to other more complicated approaches. In addition, the new ranking approach can be used at the initial stages of fault tree construction as it does not require the whole fault tree to be completely developed.

Details

International Journal of Quality & Reliability Management, vol. 17 no. 2
Type: Research Article
ISSN: 0265-671X

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Book part

Lilian Oyieke

Discourses on critical librarianship have been mainly theoretical. However, discourses with a practical application of Critical Theory in librarianship, critical…

Abstract

Discourses on critical librarianship have been mainly theoretical. However, discourses with a practical application of Critical Theory in librarianship, critical librarianship, or library management and operations are limited. Yet, librarianship underscores efficiency and practicality in service provision with the dominant ideology in librarianship being practicality. Based on Critical Theory and emerging power dynamics in e-services, this chapter presents a discussion on the practical application of Critical Theory in academic libraries. The Web 2.0 technologies have triggered a shift in information seeking and use by empowering the academic library users to seek and use information from nontraditional sources. This shift in information seeking behavior and the resultant power dynamics has an impact on strengthening of the academic library as a public sphere; a public virtual space where people can meet and exchange ideas with the eventual outcome of democratization of knowledge. This chapter analyses the practical implications of power dynamics in academic libraries and the need for realignment of academic library functions to key Critical Success Factors (CSFs) including the role of library management, a focus on librarian power, a focus on user empowerment, creating awareness of the Web 2.0 services, and maximizing the use of Web 2.0 technologies. A proper realignment of the shifting power is necessary and must be pursued as a deliberate strategy by academic libraries to facilitate generation and sharing of information. It concludes by presenting the practical implications of power dynamics in academic libraries and recommendations on dealing with the emerging paradigm shifts.

Details

Critical Librarianship
Type: Book
ISBN: 978-1-83909-485-9

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Article

Mingnan Jiang, Yang Gao, Mingwei Jin and Sitong Liu

The purpose of this study is to explore a sustainable hierarchical framework for the business environment in smart cities. However, this hierarchical framework must…

Abstract

Purpose

The purpose of this study is to explore a sustainable hierarchical framework for the business environment in smart cities. However, this hierarchical framework must consider unnecessary attributes and interrelationships between criteria to capture the difference between smart cities and traditional cities.

Design/methodology/approach

Hence, the fuzzy set theory is used for screening unnecessary attributes, the decision-making and trial evaluation laboratory (DEMATEL) is applied to manage the complex interrelationships among the aspects and attributes and interpretive structural modeling (ISM) is used to divide the hierarchy and construct a hierarchical theoretical framework. Ultimately, this research is applied to develop a sustainable hierarchical framework of the business environment in smart cities.

Findings

The results show that traditional social problems are still at the core of business environment development in smart cities, new smart opportunities may be discovered, but they are still limited by traditional social factors, the economy is still the main aspect of the business environment and there are still obstacles to solving social problems with smart technologies.

Originality/value

This theoretical hierarchical framework aims to guide smart cities toward sustainability. This study also proposes creating a predictable business environment by improving administrative efficiency, transparency, social mobility and infrastructure services and cultivating new business opportunities with intelligent technology.

Details

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

Keywords

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