997 resultados para peer economy


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In the US, Australia, the United Kingdom, Canada, Finland, Ireland and other countries, the growth of the Internet and other related new technologies have become the catalyst for the creation of ‘knowledge economies’. The new information and communication technologies have created global markets for goods and services. Countries that have encouraged their people through education and life-long learning and by investing heavily in research and development (R&D) are well positioned to take advantage of these new global markets. Along with globalisation has come the death of distance. Thanks to the Internet, New Zealand is no longer remote from the rest of the world.

But New Zealand’s economy is still too dependent on producing commodities for export. While efforts over the last fifteen years to diversify markets have been very successful, we still need to expand our limited range of products. We must take the next important step and transform New Zealand from a pastoral economy into a knowledge-driven economy. For New Zealand, the Internet is the modern equivalent of the freezer ship that revolutionised our economy last century. If New Zealanders do not seize the opportunities provided by the knowledge economy, we will survive only as an amusement park and holiday land for the citizens of more successful developed economies.

This article puts New Zealand into world perspective by assessing its knowledge economy benchmarks against its competitors. It outlines the theoretical background to ‘‘new growth theory'' and delineates the lessons of that theory, especially for New Zealand. It treats the key issues for New Zealand’s emergence as a knowledge economy, including education, the M ori dimension, immigration, research and development, venture capital, export policy and telecommunications regulation.

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This paper presents an empirical account of mediatization from a Bourdieuian perspective, based on the development of a number of new concepts, such as cross-field effects and the rescaling of such effects as linked to processes of globalization. Built on an Australian empirical case relating to educational policy and the knowledge based economy, this paper argues that mediatization can be understood in relation to the cross-field effects of different fields of journalism on subsequent fields, which have their genesis in forms of practice that cross different social fields. Specifically, the case analysis details interactions between the field of print journalism and the field of policy over the course of an Australian science capability review, chaired by the then chief scientist, Dr Robin Batterham, which led to Australia adopting a national version of the knowledge economy. The empirical case also leads us to consider the impact of both global and national fields of journalism on fields of educational policy in relation to mediatization.

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ID scanners are quickly emerging as a new technological fix to long-standing problems of security and safety within licensed venues. Yet at this point in time detailed research of this rapidly expanding security technology is remarkably limited. To address this analytical deficit we are currently examining the uptake of ID scanners in licensed venues operating in the night-time economy. We have found significant interest in the implementation of ID scanners in other Australian cities. However, the introduction of ID scanners in late-night licensed venues has occurred with little public awareness, no policy consideration and questionable claims concerning their effectiveness in enhancing safety and reducing crime. This article explores the factors shaping the introduction of ID scanners and the underlying beliefs concerning their utility as a crime prevention technology. The article then considers some broader implications to be explored in future analyses.

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The global construction environment offers stakeholders a range of opportunities but is characterised by a high level of risks and uncertainty. Internationalisation is a relatively new field of research in the AEC sector and past research has largely focused on explaining the behaviour of the industry itself. To date there has been little research investigating the client's leadership role. Much effort has been placed on positioning clients towards overall industry performance improvement, however, with little emphasis on the client's capacity to undertake their role. Clients establish the decision-making environment through key early critical decisions including procurement strategy and team membership. To a large extent they establish a unique culture that project team members need to work within and make decisions, which is the social and cultural embedding of the economic activities on projects. This theoretical paper is positioned within a PhD study which undertakes a cultural political economy perspective to investigate the client's central role in setting the boundaries within which decisions affecting budgets, quality, design, project organisational structure and team membership throughout the project lifecycle come to be made. A conceptual model for client leadership on international projects is developed based upon two contextual indicators which seeks to describe and explain the economic decisions clients make, which are deeply embedded in social relationships, shared meanings and cultural norms and the associated power and influence clients have on the political economy of international design and construction practice. This paper also seeks to develop a research question for future empirical testing.

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The existing sharable file searching methods have at least one of the following disadvantages: (1) they are applicable only to certain topology patterns, (2) suffer single point failure, or (3) incur prohibitive maintenance cost. These drawbacks prevent their effective application in unstructured Peer-to-peer (P2P) systems (where the system topologies are changed time to time due to peers' frequently entering and leaving the systems), despite the considerable success of sharing file search in conventional peer-to-peer systems. Motivated by this, we develop several fully dynamic algorithms for searching sharing files in unstructured peer to peer systems. Our solutions can handle any topology pattern with small search time and computational overhead. We also present an in-depth analysis that provides valuable insight into the characteristics of alternative effective search strategies and leads to precision guarantees. Extensive experiments validate our theoretical findings and demonstrate the efficiency of our techniques in practice.

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Fijian bodies have become a valuable commodity in the economy of war. Remittances from workers overseas are Fiji’s largest income – exceeding that of tourism and sugar export. This essay examines historical and contemporary representations of the black male body that perpetuate the exploitation of Fijians by inscribing the Fijian male body as warrior, criminal and protector. Taking a multidisciplinary approach informed by sociology, cultural theory, Pacific studies, visual culture, feminist and post-colonial theory, my practice is the vehicle through which I address issues of neocolonial commodification of Fijian bodies. Through an analysis of my own staged photographs and vernacular images taken by Fijians working for private security military companies and British and US armies, I hope to challenge audiences to consider their own perceptions of Fijian agency and subjectivity. By theorising the politicisation of the black body and interrogating colonial representations of blackness, I argue that we can begin to create links between the historical and contemporary exploitation of Fijians and that at the essence of both is an underlying racial hierarchy and economic requirement for cheap and, arguably, expendable labour.

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Propagation of Peer-to-Peer (P2P) worms in the Internet is posing a serious challenge to network security research because of P2P worms' increasing complexity and sophistication. Due to the complexity of the problem, no existing work has solved the problem of modeling the propagation of P2P worms, especially when quarantine of peers is enforced. This paper presents a study on modeling the propagation of P2P worms. It also presents our applications of the proposed approach in worm propagation research.

Motivated by our aspiration to invent an easy-to-employ instrument for worm propagation research, the proposed approach models the propagation processes of P2P worms by difference equations of a logic matrix, which are essentially discrete-time deterministic propagation models of P2P worms. To the best of our knowledge, we are the first using a logic matrix in network security research in general and worm propagation modeling in particular.

Our major contributions in this paper are firstly, we propose a novel logic matrix approach to modeling the propagation of P2P worms under three different conditions; secondly, we find the impacts of two different topologies on a P2P worm's attack performance; thirdly, we find the impacts of the network-related characteristics on a P2P worm's attack performance in structured P2P networks; and fourthly, we find the impacts of the two different quarantine tactics on the propagation characteristics of P2P worms in unstructured P2P networks. The approach's ease of employment, which is demonstrated by its applications in our simulation experiments, makes it an attractive instrument to conduct worm propagation research.