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Experimenting With Server-Aided Signatures, Xuhua Ding, D. Mozzacchi, Gene Tsudik Feb 2002

Experimenting With Server-Aided Signatures, Xuhua Ding, D. Mozzacchi, Gene Tsudik

Research Collection School Of Computing and Information Systems

This paper explores practical and conceptual implications of using Server-Aided Signatures (SAS). SAS is a signature method that relies on partiallytrusted servers for generating public key signatures for regular users. Besides its two primary goals of 1) aiding small, resource-limited devices in computing heavy-weight (normally expensive) digital signatures and 2) fast certificate revocation, SAS also o#ers signature causality and has some interesting features such as built-in attack detection for users and DoS resistance for servers.

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Smil Vs Mpeg-4 Bifs, Lai-Tee Cheok, Alexandros Eleftheriadis Feb 2002

Smil Vs Mpeg-4 Bifs, Lai-Tee Cheok, Alexandros Eleftheriadis

Research Collection School Of Computing and Information Systems

We present the results of a comparative analysis between the Synchronized Multimedia Integration Language (SMIL) and MPEG-4 BInary Format for Scenes (BIFS). SMIL is a language developed by the W3C consortium for expressing media synchronization among objects of various media types. MPEG-4 BIFS is the scene description scheme of MPEG-4, an international standard for communicating interactive audiovisual scenes. They are both facilities for representing and synchronizing multimedia content, and have a wide range of support for interactivity, animation and object composition features, etc. We compare their scope and purposes, the level of support for the multimedia features and investigate the …

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The American People In Crisis: A Content Analysis, Roderick P. Hart, Sharon E. Jarvis, Elvin T. Lim Feb 2002

The American People In Crisis: A Content Analysis, Roderick P. Hart, Sharon E. Jarvis, Elvin T. Lim

Research Collection School of Social Sciences

This study examines how images of the American electorate were deployed after the11 September 2001 terrorism incident and during the Clinton impeachment. Transcripts of congressional proceedings, news coverage, and presidential campaign addresses were analyzed to determine how the phrase the American people was used during these two crises and in unrelated presidential campaign speeches. The analysis considered the roles, actions, qualities, and circumstances ascribed to the people, as well as the time orientation and the forces aligned against the people. The results show that (1) relative to presidential campaign rhetoric, both crises resulted in greater concentration on the electorate; (2) …

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Five Trends In Presidential Rhetoric: An Analysis Of Rhetoric From George Washington To Bill Clinton, Elvin T. Lim Feb 2002

Five Trends In Presidential Rhetoric: An Analysis Of Rhetoric From George Washington To Bill Clinton, Elvin T. Lim

Research Collection School of Social Sciences

Several political scientists have argued that the presidential recourse to public rhetoric as a mode of political influence in the twentieth century represents a significant departure from a pre-twentieth-century institutional norm where “going public” was both rare and frowned upon. This article looks specifically at the changes in the substance of rhetoric that have accompanied this alleged institutional transformation. Applying computer-assisted content analysis to all the inaugural addresses and annual messages delivered between 1789 and 2000, the author identifies and explores five significant changes in twentieth-century presidential rhetoric that would qualifiedly support the thesis of institutional transformation in its rhetorical …

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Book Review: A Guide To Arbitration Practice In Australia, Nadja Alexander Feb 2002

Book Review: A Guide To Arbitration Practice In Australia, Nadja Alexander

Research Collection Yong Pung How School Of Law

No abstract provided.

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Endogenous Growth And Equilibrium Unemployment In A North-South Model Of The World Economy, Hian Teck Hoon Feb 2002

Endogenous Growth And Equilibrium Unemployment In A North-South Model Of The World Economy, Hian Teck Hoon

Research Collection School Of Economics

A North-South model is developed which incorporates an endogenous rate of equilibrium unemployment in the North in the context of long-run growth. It is shown how increases in the size of public debt and unemployment compensation financed by payroll taxation, all measured relative to productivity, raise the Northern natural rate of unemployment and, consequently, reduce the global rate of long-run growth. The effect of the shocks is also to drive down the rate of employment expansion in the South. A set of the fundamental determinants of the world terms of trade is obtained, which includes policy parameters.

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Isotonic Designs For Phase I Trials, Denis H. Y. Leung, You-Gan Wang Feb 2002

Isotonic Designs For Phase I Trials, Denis H. Y. Leung, You-Gan Wang

Research Collection School Of Economics

The purpose of a phase I trial in cancer is to determine the level (dose) of the treatment under study that has an acceptable level of adverse effects. Although substantial progress has recently been made in this area using parametric approaches, the method that is widely used is based on treating small cohorts of patients at escalating doses until the frequency of toxicities seen at a dose exceeds a predefined tolerable toxicity rate. This method is popular because of its simplicity and freedom from parametric assumptions. In this paper, we consider cases in which it is undesirable to assume a …

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French Military Policies In The Aftermath Of The Yên Bay Mutiny, 1930: Old Security Dilemmas Return To The Surface, Tobias Frederik Rettig Jan 2002

French Military Policies In The Aftermath Of The Yên Bay Mutiny, 1930: Old Security Dilemmas Return To The Surface, Tobias Frederik Rettig

Research Collection School of Social Sciences

This paper provides a brief summary of the Yên Bay mutiny of 10 February 1930, before examining its links to a wider insurrectionary attempt by the Vietnamese Nationalist Party in parts of Tonkin and the reasons why the attempted insurrection was to begin at Yên Bay but not in other garrison towns. It then places the mutiny in a context in which the use of Vietnamese soldiers in French service was necessary in order to maintain French supremacy as a colonial and protectorate power in French Indo-China. But instead of focusing on the mutiny itself and its causes, the main …

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Singapore Management University Report To Stakeholders 2002 - 2003, Singapore Management University Jan 2002

Singapore Management University Report To Stakeholders 2002 - 2003, Singapore Management University

Report to Stakeholders

From a start-up institution with great expectations just three years ago, SMU has grown leaps and bounds. This past year was no exception, as we reached new heights while reaffirming the foundational vision of what we are – and want to be. A university with a rigorous curriculum and the right kind of academic and cultural environment for research, exploration and experimentation – where calculated risks can lead to ultimate success. A university full of dynamically talented students and academically outstanding faculty – interactive players in the process of education who make up SMU’s rich intellectual and personally diverse fabric. …

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Asset Prices, The Real Exchange Rate, And Unemployment In A Small Open Economy: A Medium-Run Structuralist Perspective, Hian Teck Hoon, Edmund S. Phelps Jan 2002

Asset Prices, The Real Exchange Rate, And Unemployment In A Small Open Economy: A Medium-Run Structuralist Perspective, Hian Teck Hoon, Edmund S. Phelps

Research Collection School Of Economics

No abstract provided.

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Small And Medium Enterprises In Singapore And The New Economy, Boon Chye Lee, Wee Liang Tan Jan 2002

Small And Medium Enterprises In Singapore And The New Economy, Boon Chye Lee, Wee Liang Tan

Research Collection Lee Kong Chian School Of Business

From its earliest days as a British outpost, Singapore has relied heavily for its economic survival on its position as an entrepot trading centre. In the first decades after independence in 1965, economic strategy was focused on building infrastructure, attracting foreign direct investment, and export-led growth. The political commitment to openness in both trade and capital — and, more recently, labour — is one of the key features of a strategy that has delivered remarkable returns in terms of the economic well-being of the people of Singapore. Between 1961 and 1996 GDP per capita grew at an average rate of …

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Barriers To The Advancement Of Modern Food Retail Formats: Theory And Measurement, Arieh Goldman, Seshan Ramaswami, Robert E. Krider Jan 2002

Barriers To The Advancement Of Modern Food Retail Formats: Theory And Measurement, Arieh Goldman, Seshan Ramaswami, Robert E. Krider

Research Collection Lee Kong Chian School Of Business

The recent expansion of global food retailers into emerging economies has made the study of food retail modernization especially relevant at this time. We present a framework to analyze limitations to market share growth of retail formats based on diffusion across consumer segments and by product category. We then propose a measurement approach, based on consumer surveys, that quantifies the impact of these processes on supermarket market share. Food retail modernization is then examined in Hong Kong by this approach for two points in time. In a 1995 diagnostic study, we find that geographic and economic segment diffusion of supermarkets …

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Scale-Invariant Behavior In A Spatial Game Of Prisoners’ Dilemma, Yun Fong Lim, Kan Chen, Ciriyam Jayaprakash Jan 2002

Scale-Invariant Behavior In A Spatial Game Of Prisoners’ Dilemma, Yun Fong Lim, Kan Chen, Ciriyam Jayaprakash

Research Collection Lee Kong Chian School Of Business

A spatially extended version of the game of prisoner’s dilemma, originally proposed by Nowak and May, is modified to include stochastic updating and found to exhibit scale-invariant behavior. Two critical regimes with different scaling behaviors are found; the corresponding exponents have been determined numerically. Spatially, the critical states are characterized by the existence of delicately balanced networks of defectors separating domains of cooperators; temporally, the evolution of the critical states following local perturbations is characterized by avalanches of various magnitudes, which cause restructuring of the networks of defectors on all scales.

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Estimation Of The Stochastic Volatility Model By The Empirical Characteristic Function Method, J. Knight, S. Satchell, Jun Yu Jan 2002

Estimation Of The Stochastic Volatility Model By The Empirical Characteristic Function Method, J. Knight, S. Satchell, Jun Yu

Research Collection School Of Economics

The stochastic volatility model has no closed form for its likelihood and hence the maximum likelihood estimation method is difficult to implement. However, it can be shown that the model has a known characteristic function. As a consequence, the model is estimable via the empirical characteristic function. In this paper, the characteristic function of the model is derived and the estimation procedure is discussed. An application is considered for daily returns of Australian/New Zealand dollar exchange rate. Model checking suggests that the stochastic volatility model together with the empirical characteristic function estimates fit the data well.

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Enabling Technologies For E-Commerce And Erp Integration, Keng Siau, Jake Messersmith Jan 2002

Enabling Technologies For E-Commerce And Erp Integration, Keng Siau, Jake Messersmith

Research Collection School Of Computing and Information Systems

Focuses on a study which analyzed the enabling technologies for integrating Enterprise Resource Planning (ERP) and e-business. Difficulties in integrating ERP and e-business; Architecture supporting ERP and e-commerce; Model for integrating ERP and e-business.

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Externalism And Knowledge Of Comparative Content, Yoo Guan Tan Jan 2002

Externalism And Knowledge Of Comparative Content, Yoo Guan Tan

Research Collection School of Social Sciences

Concepts are the constituents of thoughts, which in turn, are the contents of propositional attitudes. They are also what the predicates of our language express. According to a tradition going back to Plato, questions about comparative content – questions of the form Is concept F the same as concept G? – are purely about relations of ideas, and so are answerable a priori. This does not mean that no experience at all is necessary to answer such questions, for experience may be needed to grasp their content. Call a piece of information about Fs extraneous if it is not required …

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Knowledge Management Mechanisms In E-Commerce: A Study Of Online Retailing And Auction Sites, Fiona Fui-Hoon Nah, Keng Siau, Yuhong Tian, Min Ling Jan 2002

Knowledge Management Mechanisms In E-Commerce: A Study Of Online Retailing And Auction Sites, Fiona Fui-Hoon Nah, Keng Siau, Yuhong Tian, Min Ling

Research Collection School Of Computing and Information Systems

Knowledge management is vital to a company's success in this e-commerce era. Not only has the topic of knowledge management attracted much research attention lately, but the management of customer knowledge is also becoming increasingly important. Despite its significance, few research studies have systematically investigated knowledge management in the e-commerce context. None of the studies we reviewed looked at how knowledge management mechanisms were employed in e-commerce. This research presents a comprehensive analysis of the knowledge management mechanisms employed by 14 e-commerce sites that were rated as being the best by Gomez.com, an independent Internet quality measurement firm. Specifically, we …

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Reshaping World Politics: Ngos, The Internet, And Global Civil Society, Ann Florini Jan 2002

Reshaping World Politics: Ngos, The Internet, And Global Civil Society, Ann Florini

Research Collection School of Social Sciences

This largely descriptive book sets out three questions of interest to international relations scholars and policy-makers: What is global civil society? What are its origins? And what are the roles of individuals in creating and maintaining it? After a brief literature review, the book provides a definition: global civil society is 'a socially constructed and transnationally defined network of relationships that provides ideologically variable channels of opportunity for political involvement' (p. 19). This definition reflects the book's grounding in 'people-centered' International Relations theory, drawing on the English school of Wight and Bull and paralleling the American constructivist paradigm to focus …

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Ethical Pluralism From A Classical Liberal Perspective, Chandran Kukathas Jan 2002

Ethical Pluralism From A Classical Liberal Perspective, Chandran Kukathas

Research Collection School of Social Sciences

Is the ideal society one that embodies or aims for ethical uniformity, orone that emphasizes instead the accommodation of ethical pluralism?From a classical liberal perspective the answer can only be that ethicalpluralism should be accommodated.

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Clinical Significance Of Molecular Expression Profiles Of Hürthle Cell Tumors Of The Thyroid Gland Analyzed Via Tissue Microarrays, A. Hoos, A. Stojadinovic, B. Singh, M. Dudas, Denis H. Y. Leung, A. Shaha Jan 2002

Clinical Significance Of Molecular Expression Profiles Of Hürthle Cell Tumors Of The Thyroid Gland Analyzed Via Tissue Microarrays, A. Hoos, A. Stojadinovic, B. Singh, M. Dudas, Denis H. Y. Leung, A. Shaha

Research Collection School Of Economics

Hürthle cell tumors are rare thyroid neoplasms for which disease biology is poorly understood and diagnosis of carcinoma can be challenging. The aim of the study was to characterize molecular expression profiles of Hürthle cell tumors and to determine the clinical significance of identified phenotypes. Paraffin-embedded tissue cores of normal thyroid (n = 18), and histopathologically well-defined Hürthle cell adenomas (n = 27), Hürthle cell tumors of unknown malignant behavior (n = 7), and minimally (n = 14) and widely (n = 21) invasive Hürthle cell carcinomas were arrayed in triplicate on tissue microarrays. Expression profiles of p53, mdm-2, p21, …

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Recent Trends And Challenges In Personnel Selection, Filip Lievens, Karen Van Dam, Neil Anderson Jan 2002

Recent Trends And Challenges In Personnel Selection, Filip Lievens, Karen Van Dam, Neil Anderson

Research Collection Lee Kong Chian School Of Business

The aim of this article is to identify recent developments in personnel selection and to review existing research with regard to these recent developments. To this end, 26 human resource representatives were asked to list current or future trends in personnel selection. In addition, existing academic reviews of recent research in personnel selection were scrutinized. As a result, the following four main trends are identified: labour market shortages, technological developments, applicant perceptions of selection procedures, and construct-driven approaches. Per trend, relevant existing research is reviewed and avenues for future research are discussed.

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Singapore Management University Launches Its First Graduate Programme By Coursework -- Msc In Applied Finance To Raise Standard Of Financial Skills Of Professionals, Singapore Management University Jan 2002

Singapore Management University Launches Its First Graduate Programme By Coursework -- Msc In Applied Finance To Raise Standard Of Financial Skills Of Professionals, Singapore Management University

SMU Press Releases and News

No abstract provided.

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An Examination Of The Accuracy Of Slogans Related To Assessment Centres, Filip Lievens Jan 2002

An Examination Of The Accuracy Of Slogans Related To Assessment Centres, Filip Lievens

Research Collection Lee Kong Chian School Of Business

To diffuse new management fads or to promote existing management practices slogans are often used. In this study eight slogans regarding assessment centres were retrieved from brochures of consultancy agencies and were compared to empirical research. These slogans were that assessment centres work, are expensive, fair, have a potent influence on candidates, protide insight into candidates' personality, and are not prone to trainability effects. Other slogans include that trained assessors speak the same language and that candidate reactions are positive. Resulting from this comparison a more fine-grained picture of the strengths and weaknesses of assessment centres emerges. In particular, it …

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Change Leadership In Organizations: The Case Of Singapore's Small And Medium-Sized Enterprises, Thomas Menkhoff, Yue Wah Chay, Benjamin Loh Jan 2002

Change Leadership In Organizations: The Case Of Singapore's Small And Medium-Sized Enterprises, Thomas Menkhoff, Yue Wah Chay, Benjamin Loh

Research Collection Lee Kong Chian School Of Business

The essay is based on a survey of organizational change management practices in small and medium-sized enterprises (SMEs) in Singapore which was conducted by the authors between 1999 - 2001 in collaboration with the Singapore Chinese Chamber of Commerce & Industry (SCCCI). The study was aimed at examining the adaptability and change readiness of Singapore’s SMEs and their owners vis-à-vis the rapidly changing external business environment, as exemplified by the process of economic globalization, intense competition, technology development and the Asian crisis. A total of 101 companies responded to the survey which revealed some surprising facts about the adaptability and …

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The Role Of Rhetoric Content In Charismatic Leadership: A Content Analysis Of A Singaporean Leader's Speeches, Hwee Hoon Tan, Gladys Wee Jan 2002

The Role Of Rhetoric Content In Charismatic Leadership: A Content Analysis Of A Singaporean Leader's Speeches, Hwee Hoon Tan, Gladys Wee

Research Collection Lee Kong Chian School Of Business

This study provides an extension to the Charismatic Leadership theories by delineating the roles of rhetoric content: in frame alignment and trust building. Propositions were developed from past literature on the rhetorical behaviors of Charismatic Leadership and the interpersonal trust literature. An empirical study was then conducted to test the propositions developed and it was found that Mr. Lee Kuan Yew use the Singapore National Day Rally speeches in limited ways to align frames and build trust.

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Scaling Up Information Services For Development: A Framework Of Increasing Returns For Telecenters, Ted Tschang, Mathurot Chuladul, Thuy Thu Le Jan 2002

Scaling Up Information Services For Development: A Framework Of Increasing Returns For Telecenters, Ted Tschang, Mathurot Chuladul, Thuy Thu Le

Research Collection Lee Kong Chian School Of Business

Telecentres are an important type of information and communication technology (ICT) system particularly assisting rural and urban communities in developing countries, but the focus is often put on social development, sometimes on static economic returns, and rarely on dynamic economic aspects. This paper develops a basis for understanding the factors behind financial success in a dynamic setting based on the concept of increasing returns. This is applied to telecentres according to the stage of maturity of their information services. The framework is illustrated with literature- and interview-based cases, and will help an understanding of ways in which telecentres can scale-up …

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Anatomy Of A Coupling Query In A Web Warehouse, Sourav S. Bhowmick, Sanjay Kumar Madria, Wee-Keong Ng, Ee Peng Lim Jan 2002

Anatomy Of A Coupling Query In A Web Warehouse, Sourav S. Bhowmick, Sanjay Kumar Madria, Wee-Keong Ng, Ee Peng Lim

Research Collection School Of Computing and Information Systems

To populate a data warehouse specifically designed for Web data, i.e. web warehouse, it is imperative to harness relevant documents from the Web. In this paper, we describe a query mechanism called coupling query to glean relevant Web data in the context of our web warehousing system called Warehouse Of Web Data (WHOWEDA). Coupling query may be used for querying both HTML and XML documents. Some of the important features of our query mechanism are ability to query metadata, content, internal and external (hyperlink) structure of Web documents based on partial knowledge, ability to express constraints on tag attributes and …

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Locating Tds In Policy Spaces: The Computational Text Analysis Of Dáil Speeches, Michael Laver, Kenneth Benoit Jan 2002

Locating Tds In Policy Spaces: The Computational Text Analysis Of Dáil Speeches, Michael Laver, Kenneth Benoit

Research Collection School of Social Sciences

This article adapts a new technique for the computerised analysis of political texts, previously used to analyse party manifestos, to the analysis of speeches made in a legislature. The benefits of computerised text analysis come from the ability to analyse, for the first time, complex and daunting electronic sources of text, such as the parliamentary record. This allows the systematic estimation of the policy positions of individual political actors, with huge benefits both for theory development and empirical analysis. In this article, the technique is used to analyse all 58 English language speeches made in the October 1991 confidence debate …

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The International And Comparative Criminal Trial Project, Mark Findlay Jan 2002

The International And Comparative Criminal Trial Project, Mark Findlay

Research Collection Yong Pung How School Of Law

The International Criminal Trial Project (ICTP) has been in operation within the Centre for Legal Research (CLR), Nottingham Law school since January 2000. To date the project has succeeded in establishing a global network of scholars researching international and comparative criminal justice. The ICTP examines and compares trial processes and practice in a variety of local, regional and global contexts. The research incorporates particular evaluations of issues and relationships essential to the operation of trial process in different jurisdictions and stages of development. From the focus on the trial the project is producing knowledge about international and comparative criminal justice. …

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Mistake In Contract Law —Two Recent Cases, Andrew Phang Jan 2002

Mistake In Contract Law —Two Recent Cases, Andrew Phang

Research Collection Yong Pung How School Of Law

The doctrine of mistake in contract law has had a chequered history. Indeed, its very existence has been questioned (see, e.g., Slade, (1954) 70 L.Q.R. 385 and Atiyah and Bennion, (1961) 24 M.L.R. 421). But, like a bad penny that will not go away, the doctrine remains stubbornly embedded in the contractual landscape and has in fact witnessed a small revival of sorts in recent years (see, e.g., Clarion Ltd. v. National Provident Institution [2000] 2 All E.R. 265 (noted Phang, (2002) 1 J.O.R. 21)).

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