University of Westminster

About: University of Westminster is a education organization based out in London, United Kingdom. It is known for research contribution in the topics: Population & Politics. The organization has 2944 authors who have published 8426 publications receiving 200236 citations. The organization is also known as: Westminster University & Royal Polytechnic Institution.

Estimating the time Varying Components of international stock markets' risk

Abstract: In this study an alternative approach for assessing securities' risk is applied. Various authors have argued that security returns are not homoskedastic but exhibit variation over time. They have observed that large changes tend be followed by more large changes in either direction, and so volatility must be predictably high after large changes. This phenomenon of securities' volatility, referred to as clustering, has important implications for security pricing and risk management. Among the most popular techniques currently used to capture the clustering effect and to forecast future volatilityare those belonging to the family of Autoregressive Conditional Heteroskedastic (ARCH) models. The main aim of this paper is to investigate whether such volatility modelling can be used to capture the time variation not only in the total risk of a security return but also its systematic and unsystematic components. Using weekly local stock market data, the time varying beta with the World Index has been estimated v...

Web 2.0 and micro‐businesses: an exploratory investigation

Abstract: Purpose – The paper aims to report on an exploratory study into how small businesses use Web 20 information and communication technologies (ICT) to work collaboratively with other small businesses The study had two aims: to investigate the benefits available from the use of Web 20 in small business collaborations, and to characterize the different types of such online collaborationsDesign/methodology/approach – The research uses a qualitative case study methodology based on semi‐structured interviews with the owner‐managers of 12 UK‐based small companies in the business services sector who are early adopters of Web 20 technologiesFindings – Benefits from the use of Web 20 are categorized as lifestyle benefits, internal operational efficiency, enhanced capability, external communications and enhanced service offerings A 2×2 framework is developed to categorize small business collaborations using the dimensions of the basis for inter‐organizational collaboration (control vs cooperation) and the leve

Mobile Augmented Reality for Cultural Heritage

Abstract: This paper introduces an approach of using mobile Augmented Reality (mobile-AR) in cultural organisations, such as museums and archaeological sites, for information provision and enhancing the visiting experience. We demonstrate our approach by presenting a mobile-AR educational game for iPhones that has been developed for the archaeological site and the exhibition area at Sutton Hoo. This pilot aids visitors’ understanding of the site and its history via an engaging and playful game that connects the site with the British Museum where the objects that have been excavated from the site are exhibited. The paper discusses stakeholders’ requirements, the system architecture and concludes with lessons learned and future work.

Bacterial Cellulose: A Sustainable Source to Develop Value-Added Products – A Review

Abstract: In recent decades, worldwide economic and environmental issues have prompted research scientists to re-direct their interests to bio-based resources, which are sustainable in nature. In this context, microbial polysaccharides, such as bacterial cellulose (BC), also known as microbial cellulose (MC), are some of the upcoming and emergent resources and have potential application in various bio- and non-bio-based sectors of the modern world. Many researchers have already established novel BC/MC production methods, and many new studies have been published on lab-scale and large-scale production aspects of BC/MC to date. To further expand the novel use of this sustainable source, significant progress toward the development of BC/MC has appeared in recent years. Specifically, there have been many publications and/or research reports on the valorization of BC/MC in the food, paper, materials, biomedical, pharmaceutical, and cosmeceutical industries, among others. This review will address the novel application aspects of BC/MC today, with the aim of demonstrating the importance of this sustainable and novel source in the development of value-added products.