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Article
Publication date: 31 December 2006

Kwong Yuen Lai, Zahir Tari and Peter Bertok

Caching is commonly used to improve the performance of mobile computers. Due to the limitations of wireless networks (e.g. low bandwidth, intermittent connectivity), ensuring the…

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Abstract

Caching is commonly used to improve the performance of mobile computers. Due to the limitations of wireless networks (e.g. low bandwidth, intermittent connectivity), ensuring the consistency of cached data becomes a difficult issue. Existing research have shown that broadcast‐based cache invalidation techniques can effectively maintain cache consistency for mobile applications. However, most existing performance analysis of cache invalidation algorithms were carried out through simulation. Therefore, an analytical study is important to provide a deeper understanding of broadcast‐based invalidation techniques. In this paper, we present detailed analytical models of the major existing cache invalidation schemes. The models provide a basis to highlight the strengths and weaknesses of the different schemes and facilitate further investigation into cache invalidation for mobile environments. Extensive simulation has also been performed, and verifies the accuracy of the models developed.

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International Journal of Pervasive Computing and Communications, vol. 2 no. 1
Type: Research Article
ISSN: 1742-7371

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Publication date: 12 January 2021

Manuel Villoria

This article will attempt to answer the following question: what has been done to prevent corruption and promote a “good government” in Latin America, what are the results and…

Abstract

This article will attempt to answer the following question: what has been done to prevent corruption and promote a “good government” in Latin America, what are the results and what explains the current situation? After analyzing very different experiences, the following could be stated: (1) there is at least a formal concern for promoting integrity in several countries, but there are problems of diagnosis and formulation; (2) the examples of implementation failures are far too many in Latin America. In any case, the most important factor explaining failures of design and implementation is the presence of a social trap and a political trap. The social trap is expressed by the incoherence of society itself, which demands honesty from Government, but in practice incentivizes corruption by paying bribes, breaching rules, and demanding privileges within the framework of clientelist networks. The political trap emerges from the strong path dependency effect resulting from the consolidation of patronage or clientelist networks.

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The Emerald Handbook of Public Administration in Latin America
Type: Book
ISBN: 978-1-83982-677-1

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Publication date: 1 January 2009

Jon S.T. Quah

Four decades ago, the Swedish economist, Gunnar Myrdal (1970, p. 230) attributed the paucity of research on corruption in South Asia to the research taboo on this topic…

Abstract

Four decades ago, the Swedish economist, Gunnar Myrdal (1970, p. 230) attributed the paucity of research on corruption in South Asia to the research taboo on this topic. Fortunately, this taboo has been gradually eroded since the 1990s as reflected in the tremendous amount of research that has been done on corruption in the Asia-Pacific countries. Corruption has emerged in the 1990s as “a truly global political issue eliciting a global political response” (Glynn, Kobrin, & Naim, 1997, p. 7). Indeed, the globalization of corruption has given rise to an overriding concern with how to combat corruption in many countries among their governments and many international agencies. Consequently, many international organizations like the Asian Development Bank, Commonwealth Association for Public Administration and Management, Eastern Regional Organization for Public Administration, International Institute for Administrative Sciences, Organization of American States, Organization for Economic Co-operation and Development, Transparency International, United Nations Development Programme, World Bank, and World Economic Forum have organized numerous conferences, symposia and workshops on various aspects of corruption.

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The Many Faces of Public Management Reform in the Asia-Pacific Region
Type: Book
ISBN: 978-1-84950-640-3

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Publication date: 21 July 2011

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Curbing Corruption in Asian Countries: An Impossible Dream?
Type: Book
ISBN: 978-0-85724-819-0

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Publication date: 21 July 2011

Jon S.T. Quah

The Hanbo (meaning Korean treasure) scandal or “Hanbogate” occurred on January 23, 1997, with the bankruptcy of Hanbo Iron and Steel Company, the second largest steel company and…

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The Hanbo (meaning Korean treasure) scandal or “Hanbogate” occurred on January 23, 1997, with the bankruptcy of Hanbo Iron and Steel Company, the second largest steel company and 14th largest conglomerate in South Korea, as its debt had accumulated to US$5.6 billion. Hanbo's bankruptcy triggered an investigation by the Public Prosecutor's Office that resulted in the imprisonment for 15 years of Hanbo's founder, Chung Tae-Soo, for bribing politicians and bankers to pressure banks to extend hugh bank loans to Hanbo. Nine other persons were also convicted including Chung's son, who was jailed for three years for bribery and embezzlement, and Kim Hyun-Chol, the second son of President Kim Young-Sam, who was sentenced to three years jail and fined US$1.5 million (New York Times, 1997).

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Curbing Corruption in Asian Countries: An Impossible Dream?
Type: Book
ISBN: 978-0-85724-819-0

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