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Articles 20401 - 20430 of 23255
Full-Text Articles in Entire DC Network
The Impact Of Peer-Helper Program On Peer Helpers: Some Preliminary Findings, Yip Wei, Gilbert Tan, Timothy Hsi
The Impact Of Peer-Helper Program On Peer Helpers: Some Preliminary Findings, Yip Wei, Gilbert Tan, Timothy Hsi
Research Collection Lee Kong Chian School Of Business
The Singapore Management University (SMU) initiated a peer helping program in January 2004 for the purpose of having the helpers act as a “bridge” between the University counseling service and the student community. Over the years, the peer helping program has broadened to include wellness education in addition to providing peer counseling, mentoring and mediation services for the student community. Although most of the students who volunteered for the program have demonstrated strong intrinsic desires to assist and to help others, the writers of this paper are of the opinion that the benefits of peer helping extends to both the …
Exploring Steps To Create A Regional Monetary Unit For Asean+3, Knowledge@Smu
Exploring Steps To Create A Regional Monetary Unit For Asean+3, Knowledge@Smu
Knowledge@SMU
As part of an initiative to move towards greater financial stability in the Asian region, a Regional Monetary Unit is being proposed for the ASEAN+3 nations. These include China, Indonesia, Japan, South Korea, Malaysia, Philippines, Singapore and Thailand. Other countries can be added in the future. Professors Hwee Kwan Chow, Peter N. Kriz, Roberto S. Mariano and Augustine H. H. Tan, from the School of Economics at Singapore Management University, offer their views on the need for a RMU, what its benefits are and how it would work.
Why Does Proactivity Relate To Favourable Employee Attitudes And Behaviours?, Knowledge@Smu
Why Does Proactivity Relate To Favourable Employee Attitudes And Behaviours?, Knowledge@Smu
Knowledge@SMU
Responding to fierce global competition for talent, organisations are increasingly developing and using innovative strategies to attract, hire, and retain employees. One strategy aimed at acquiring top-notch talent has been to consider applicants’ personality traits in the hiring process. One personality trait linked to favourable employee behaviours and attitudes is employee proactivity. Integrating several different literatures, Singapore Management University associate professor of organisational behaviour Gary Greguras, and University of Akron assistant professor of psychology James Diefendorff, developed and tested a model which explicates the processes through which proactivity relates to employee job satisfaction, life satisfaction, performance, and organisational citizenship behaviours.
Going Organic In Singapore: Kemena Enterprise Ltd And The Uob-Smu Entrepreneurship Alliance, Knowledge@Smu
Going Organic In Singapore: Kemena Enterprise Ltd And The Uob-Smu Entrepreneurship Alliance, Knowledge@Smu
Knowledge@SMU
According to British business research company Organic Monitor, the market across Asia for organic food is set to hit US$1 billion this year. Singapore, too, has been swept up in this organic wave. Last year, the country’s share of the Asian organic food market reached US$40 million. Kemena, a two-year-old company which supplies a range of health products in Singapore, has become the first to introduce organic infant formula into the Singapore market. The company was recently involved with the United Overseas Bank (UOB)-SMU Entrepreneurship Alliance which provides funding for small and medium-sized enterprises to hire student consultants. Knowledge@SMU interviewed …
Learning How To Innovate: Standard Chartered Bank's Ilab@Smu Challenges Students To Bridge Technology And Business, Knowledge@Smu
Learning How To Innovate: Standard Chartered Bank's Ilab@Smu Challenges Students To Bridge Technology And Business, Knowledge@Smu
Knowledge@SMU
"The future of banking is in Asia and the key driver is innovation," according to a statement from Standard Chartered Bank and the Singapore Management University, which together established an innovation centre -- the Standard Chartered iLab@SMU -- in early 2006. Students can work with iLab on projects where they are exposed to a corporate environment and issues relating to managing intellectual property. As an example, several students were recently given the challenge of investigating the viability of voice biometrics authentication technology at the bank. Knowledge@SMU interviewed both the students and bank executives for their views on how the process …
`Magic Numbers For Sales Management’: Simple Arithmetic For Sales Practitioners And Strategists, Knowledge@Smu
`Magic Numbers For Sales Management’: Simple Arithmetic For Sales Practitioners And Strategists, Knowledge@Smu
Knowledge@SMU
Singapore Management University marketing professor John Davis has just published his third book, Magic Numbers for Sales Management. Davis has led marketing teams in several major American corporations, and is also the founder of a consulting and training company, Brand New View. Magic Numbers for Sales Management pulls together 50 of the most important sales metrics and formulae in a format that is accompanied by examples from many of today’s leading organisations. Davis spoke to Knowledge@SMU about his book as well as sales management in general.
Responsible Branding In Asia: Are Companies Ready?, Knowledge@Smu
Responsible Branding In Asia: Are Companies Ready?, Knowledge@Smu
Knowledge@SMU
Jorg Dietzel was born in Germany in 1961. An advertising industry veteran, he opened his own brand consultancy, Jorg Dietzel Brand Consultants, in Singapore two years ago, and teaches classes on Advertising and Strategic Brand Management at Singapore Management University's Lee Kong Chian School of Business. Dietzel talks to Knowledge@SMU about why companies in Asia need to re-brand themselves as responsible corporate citizens or face losing out to competitors.
How Singapore’S Insider Trading Prohibitions Apply To Take-Over Transactions, Knowledge@Smu
How Singapore’S Insider Trading Prohibitions Apply To Take-Over Transactions, Knowledge@Smu
Knowledge@SMU
Nearly 20 years ago, a prominent businessman for the first time was successfully prosecuted for insider trading in Singapore after what was claimed to be the longest running trial at the time. In 2004, the collapse of China Aviation Oil (Singapore) Corp resulted in the punishment of six senior company executives. “Insider trading has long been regarded as reprehensible as far as securities regulation is concerned in Singapore,” states Singapore Management University law professor Wan Wai Yee. In a recent article published in law journal, Company Lawyer, Wan provides an overview of Singapore’s insider trading regulations and what their scope …
Unit Root Log Periodogram Regression, Peter C. B. Phillips
Unit Root Log Periodogram Regression, Peter C. B. Phillips
Research Collection School Of Economics
Log periodogram (LP) regression is shown to be consistent and to have a mixed normal limit distribution when the memory parameter d=1. Gaussian errors are not required. The proof relies on a new result showing that asymptotically infinite collections of discrete Fourier transforms (dft's) of a short memory process at the fundamental frequencies in the vicinity of the origin can be treated as asymptotically independent normal variates, provided one does not include too many dft's in the collection.
Financial Liberalization And Monetary Policy Cooperation In East Asia, Hwee Kwan Chow, Peter N. Kriz, Roberto S. Mariano, Augustine H. H. Tan
Financial Liberalization And Monetary Policy Cooperation In East Asia, Hwee Kwan Chow, Peter N. Kriz, Roberto S. Mariano, Augustine H. H. Tan
Research Collection School Of Economics
As the countries in East Asia embark on financial liberalization, a key issue that confronts policymakers is the greater complexity of risks that is injected into the financial system. In particular, capital account liberalization may potentially increase the vulnerability of individual countries to external financial shocks. This paper advocates the optimally cascading of financial liberalization that is consistent across three dimensions: extent of domestic financial liberalization; the degree of exchange rate flexibility; and the scope of capital account liberalization. Unless the process of liberalization is properly managed, it could provoke destabilizing capital flows and lead to volatile exchange rates. Smooth …
Smu, Ie Singapore And Industry Partners Start New International Trading Institute, Singapore Management University
Smu, Ie Singapore And Industry Partners Start New International Trading Institute, Singapore Management University
SMU Press Releases and News
No abstract provided.
Machine Scheduling Performance With Maintenance And Failure, Yunsong Guo, Andrew Lim, Brian Rodrigues, Shuang Yu
Machine Scheduling Performance With Maintenance And Failure, Yunsong Guo, Andrew Lim, Brian Rodrigues, Shuang Yu
Research Collection Lee Kong Chian School Of Business
In manufacturing control, machine scheduling research has mostly dealt with problems either without maintenance or with deterministic maintenance when no failure can occur. This can be unrealistic in practical settings. In this work, an experimental model is developed to evaluate the effect of corrective and preventive maintenance schemes on scheduling performance in the presence of machine failure where the scheduling objective is to minimize schedule duration. We show that neither scheme is clearly superior, but that the applicability of each depends on several system parameters as well as the scheduling environment itself. Further, we show that parameter values can be …
Who Trades On Pro Forma Earnings Information?, Nilabhra Bhattacharya, Erv Black, Ted Christensen, Rick Mergenthaler
Who Trades On Pro Forma Earnings Information?, Nilabhra Bhattacharya, Erv Black, Ted Christensen, Rick Mergenthaler
Research Collection School Of Accountancy
In recent years, many companies have emphasized adjusted‐GAAP earnings numbers in their quarterly press releases. While managers use different names to describe these nonstandard earnings metrics, the financial press frequently refers to them as “pro forma” earnings. Managers and other advocates of pro forma reporting argue that these disclosures provide a clearer picture of companies' core earnings. On the other hand, regulators, policymakers, and the financial press often allege that managers' pro forma earnings disclosures are opportunistic attempts to mislead investors. Recent evidence suggests that while many pro forma earnings disclosures are altruistically motivated, some may represent managers' attempts to …
Modeling Architectural Strategy Using Design Structure Networks, C. Jason Woodard
Modeling Architectural Strategy Using Design Structure Networks, C. Jason Woodard
Research Collection School Of Computing and Information Systems
System architects face the formidable task of purposefully shaping an evolving space of complex designs. Their task s further complicated when they lack full control of the design process, and therefore must anticipate the behavior of other stakeholders, including the designers of component products and competing systems. This paper presents a conceptual tool called a design structure network (DSN) to help architects and design scientists reason effectively about these situations. A DSN is a graphical representation of a system’s design space. DSNs improve on existing representation schemes by providing a compact and intuitive way to express design options—the ability to …
Analysis Of Topological Characteristics Of Huge Online Social Networking Services, Yong-Yeol Ahn, Seungyeop Han, Haewoon Kwak, Sue Moon, Hawoong Jeong
Analysis Of Topological Characteristics Of Huge Online Social Networking Services, Yong-Yeol Ahn, Seungyeop Han, Haewoon Kwak, Sue Moon, Hawoong Jeong
Research Collection School Of Computing and Information Systems
Social networking services are a fast-growing business in the Internet. However, it is unknown if online relationships and their growth patterns are the same as in real-life social networks. In this paper, we compare the structures of three online social networking services: Cyworld, MySpace, and orkut, each with more than 10 million users, respectively. We have access to complete data of Cyworld's ilchon (friend) relationships and analyze its degree distribution, clustering property, degree correlation, and evolution over time. We also use Cyworld data to evaluate the validity of snowball sampling method, which we use to crawl and obtain partial network …
Learning To Classify E-Mail, Irena Koprinska, Josiah Poon, James Clark, Jason Yuk Hin Chan
Learning To Classify E-Mail, Irena Koprinska, Josiah Poon, James Clark, Jason Yuk Hin Chan
Research Collection School Of Computing and Information Systems
In this paper we study supervised and semi-supervised classification of e-mails. We consider two tasks: filing e-mails into folders and spam e-mail filtering. Firstly, in a supervised learning setting, we investigate the use of random forest for automatic e-mail filing into folders and spam e-mail filtering. We show that random forest is a good choice for these tasks as it runs fast on large and high dimensional databases, is easy to tune and is highly accurate, outperforming popular algorithms such as decision trees, support vector machines and naive Bayes. We introduce a new accurate feature selector with linear time complexity. …
Cultural Icons And Urban Development In Asia: Economic Imperative, National Identity, And Global City Status, Lily Kong
Research Collection School of Social Sciences
Global cities are characterized by the multiplicity of flows that they are implicated in - flows of people, goods, services, ideas, and images. Yet, global cities do not derive their status only on the basis that they are networked nodes. They also require particular forms of cultural capital. Cities with global aspirations have thus increasingly recognized the need to accumulate cultural capital, for which one means is to create new urban spaces, in particular, new cultural urban spaces (e.g. grand theatres, museums, libraries). These often monumental structures are intended to support a vibrant cultural life, in order to attract and …
Tianxia, Empire And The World: Soft Power And China’S Foreign Policy Discourse In The 21st Century, William A. Callahan
Tianxia, Empire And The World: Soft Power And China’S Foreign Policy Discourse In The 21st Century, William A. Callahan
Research Collection School of Social Sciences
China’s recent ‘charm offensive’ is captivating the world stage. Although there has been a thorough cataloguing of China’s soft power assets in terms of the effectiveness and limitations of the PRC’s public diplomacy, much less attention has been paid to how the normative aspect of China’s growing soft power will set the world agenda. This essay will examine the concept of ‘Tianxia’ to understand Chinese visions of world order. Tianxia is interesting both because it was key to the governance and self-understanding of three millennia of Chinese empire, and also because discussion of Tianxia is becoming popular again in the …
Poverty Alleviation Through Geographic Targeting, Chris Elbers, Tomoki Fujii, Peter Lanjouw, Berk Ozler, Wesley Yin
Poverty Alleviation Through Geographic Targeting, Chris Elbers, Tomoki Fujii, Peter Lanjouw, Berk Ozler, Wesley Yin
Research Collection School Of Economics
In this paper, we employ recently completed “poverty maps” for three countries as tools for an ex ante evaluation of the distributional incidence of geographic targeting of public resources. We simulate the impact on poverty of transferring an exogenously given budget to geographically defined sub-groups of the population according to their relative poverty status. We find large gains from targeting smaller administrative units, such as districts or villages. However, these gains are still far from the poverty reduction that would be possible had the planners had access to information on household level income or consumption. Our results indicate that a …
Bayesian Analysis Of Dsge Models, Sungbae An, Frank Schorfheide
Bayesian Analysis Of Dsge Models, Sungbae An, Frank Schorfheide
Research Collection School Of Economics
This paper reviews Bayesian methods that have been developed in recent years to estimate and evaluate dynamic stochastic general equilibrium (DSGE) models. We consider the estimation of linearized DSGE models, the evaluation of models based on Bayesian model checking, posterior odds comparisons, and comparisons to vector autoregressions, as well as the non-linear estimation based on a second-order accurate model solution. These methods are applied to data generated from correctly specified and misspecified linearized DSGE models and a DSGE model that was solved with a second-order perturbation method.
Urban Rail Transit Ppps: Survey And Risk Assessment Of Recent Strategies, Sock-Yong Phang
Urban Rail Transit Ppps: Survey And Risk Assessment Of Recent Strategies, Sock-Yong Phang
Research Collection School Of Economics
The proliferation of urban rail transit public-private partnerships (PPPs) in Latin America and Southeast Asia is a recent phenomenon. This paper first reviews the theoretical literature on the public procurement versus PPP decision in the context of rail transit and assesses the risks involved in entering these partnerships. The urban rail transit PPP approaches adopted in Bangkok, Kuala Lumpur, Buenos Aires, Rio de Janeiro, Singapore, Hong Kong, and London are described and classified into four broad approaches: (i) the development of new systems through Design-Build-Finance-Operate (DBFO), (ii) the concessioning of rail and subway services, (iii) the sale of state-owned operators …
Modelling Spatial Dependence And Social Interactions, Zhenlin Yang
Modelling Spatial Dependence And Social Interactions, Zhenlin Yang
Research Collection School Of Economics
Spatial dependence or social interaction among economic agents or social actors, such as neighbourhood effects, copycatting, and peer group effects, has recently received increased attention from regional scientists, economists, econometricians, and statisticians.
A Unified Confidence Interval For Reliability-Related Quantities Of Two-Parameter Weibull Distribution, Zhenlin Yang, Min Xie, Augustine C.M. Wong
A Unified Confidence Interval For Reliability-Related Quantities Of Two-Parameter Weibull Distribution, Zhenlin Yang, Min Xie, Augustine C.M. Wong
Research Collection School Of Economics
Statistical inference methods for the Weibull parameters and their functions usually depend on extensive tables, and hence are rather inconvenient for the practical applications. In this paper, we propose a general method for constructing confidence intervals for the Weibull parameters and their functions, which eliminates the need for the extensive tables. The method is applied to obtain confidence intervals for the scale parameter, the mean-time-to-failure, the percentile function, and the reliability function. Monte-Carlo simulation shows that these intervals possess excellent finite sample properties, having coverage probabilities very close to their nominal levels, irrespective of the sample size and the degree …
Enhancing The Performance Of Semi-Supervised Classification Algorithms With Bridging, Jason Yuk Hin Chan, Josiah Poon, Irena Koprinska
Enhancing The Performance Of Semi-Supervised Classification Algorithms With Bridging, Jason Yuk Hin Chan, Josiah Poon, Irena Koprinska
Research Collection School Of Computing and Information Systems
Traditional supervised classification algorithms require a large number of labelled examples to perform accurately. Semi-supervised classification algorithms attempt to overcome this major limitation by also using unlabelled examples. Unlabelled examples have also been used to improve nearest neighbour text classification in a method called bridging. In this paper, we propose the use of bridging in a semi-supervised setting. We introduce a new bridging algorithm that can be used as a base classifier in any supervised approach such as co-training or selflearning. We empirically show that classification performance increases by improving the semi-supervised algorithm’s ability to correctly assign labels to previouslyunlabelled …
Cognitive Evaluation Of Information Modeling Methods, Keng Siau, Yuan Wang
Cognitive Evaluation Of Information Modeling Methods, Keng Siau, Yuan Wang
Research Collection School Of Computing and Information Systems
In the field of information system engineering, information modeling method is a technique to capture user requirements and to understand system complexity. The importance of information modeling has been recognized by practitioners and researchers, but little has been explored to analyze the available information modeling methods or to evaluate them in terms of their strengths, weaknesses, and effectiveness. This research analyzes six information-modeling methods: use case diagram, rich picture diagram, entity-relationship diagram, Trochim’s concept mapping, repertory grid, and causal mapping. These information-modeling methods are analyzed from a cognitive perspective in order to better understand their nature, the assumptions, and the …
Gprune: A Constraint Pushing Framework For Graph Pattern Mining, Feida Zhu, Xifeng Yan, Jiawei Han, Philip S. Yu
Gprune: A Constraint Pushing Framework For Graph Pattern Mining, Feida Zhu, Xifeng Yan, Jiawei Han, Philip S. Yu
Research Collection School Of Computing and Information Systems
In graph mining applications, there has been an increasingly strong urge for imposing user-specified constraints on the mining results. However, unlike most traditional itemset constraints, structural constraints, such as density and diameter of a graph, are very hard to be pushed deep into the mining process. In this paper, we give the first comprehensive study on the pruning properties of both traditional and structural constraints aiming to reduce not only the pattern search space but the data search space as well. A new general framework, called gPrune, is proposed to incorporate all the constraints in such a way that they …
Deckard: Scalable And Accurate Tree-Based Detection Of Code Clones, Lingxiao Jiang, Ghassan Misherghi, Zhendong Su, Stephane Glondu
Deckard: Scalable And Accurate Tree-Based Detection Of Code Clones, Lingxiao Jiang, Ghassan Misherghi, Zhendong Su, Stephane Glondu
Research Collection School Of Computing and Information Systems
Detecting code clones has many software engineering applications. Existing approaches either do not scale to large code bases or are not robust against minor code modifications. In this paper, we present an efficient algorithm for identifying similar subtrees and apply it to tree representations of source code. Our algorithm is based on a novel characterization of subtrees with numerical vectors in the Euclidean Rn and an efficient algorithm to cluster these vectors w.r.t. the Euclidean distance metric. Subtrees with vectors in one cluster are considered similar. We have implemented our tree similarity algorithm as a clone detection tool called DECKARD …
Achieving End-To-End Authentication In Intermediary-Enabled Multimedia Delivery Systems, Robert H. Deng, Yanjiang Yang
Achieving End-To-End Authentication In Intermediary-Enabled Multimedia Delivery Systems, Robert H. Deng, Yanjiang Yang
Research Collection School Of Computing and Information Systems
Considerable research and experiment results in recent years have shown that the server-proxy-user architecture represents an efficient and scalable new paradigm for multimedia content delivery. However, not much effort has been spent on the security issues in such systems. In this paper, we study data authentication in multimedia content delivery, and in particular, we focus on achieving end-to-end authentication from the multimedia server to end users in the server-proxy-user architecture where intermediary proxies transcode multimedia content dynamically. We present a formal model for the end-to-end authentication problem, and propose a basic construction for generic data modality and prove its security. …
Forgery Attack To An Asymptotically Optimal Traitor Tracing Scheme, Yongdong Wu, Feng Bao, Robert H. Deng
Forgery Attack To An Asymptotically Optimal Traitor Tracing Scheme, Yongdong Wu, Feng Bao, Robert H. Deng
Research Collection School Of Computing and Information Systems
In this paper, we present a forgery attack to a black-box traitor tracing scheme [2] called as CPP scheme. CPP scheme has efficient transmission rate and allows the tracer to identify a traitor with just one invalid ciphertext. Since the original CPP scheme is vulnerable to the multi-key attack, we improved CPP to thwart the attack. However, CPP is vulnerable to a fatal forgery attack. In the forgery attack, two traitors can collude to forge all valid decryption keys. The forged keys appear as perfect genuine keys, can decrypt all protected content, but are untraceable by the tracer. Fortunately, we …
The Effects Of Optimal Time Of Day On Persuasion Processes In Older Adults, Carolyn C. Yoon, Pui Yee, Michelle Lee, Shai Danziger
The Effects Of Optimal Time Of Day On Persuasion Processes In Older Adults, Carolyn C. Yoon, Pui Yee, Michelle Lee, Shai Danziger
Research Collection Lee Kong Chian School Of Business
Past research demonstrates that the majority of older adults (60 years and older) perform resource-demanding tasks better in the morning than in the afternoon or evening. The authors ask whether this time-of-day effect also impacts persuasion processes performed under relatively high involvement. The data show that the attitudes of older adults are more strongly affected by an easy-to-process criterion, picturerelatedness, at their non-optimal time of day (afternoon) and by a more-difficult-to-process criterion, argument strength, at their optimal time of day (morning). In contrast, the attitudes of younger adults are affected primarily by argument strength at both their optimal (afternoon) and …