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Artificial Intelligence Approach To Analyzing The Bullwhip Effect In Supply Chains, C. Qing, Keng Siau Aug 1999

Artificial Intelligence Approach To Analyzing The Bullwhip Effect In Supply Chains, C. Qing, Keng Siau

Research Collection School Of Computing and Information Systems

Supply chain management critically affects businesses’ abilities to obtain and sustain competitive advantages. The bullwhip effect, however, presents a challenge for successful supply chain management by amplifying demands in the supply chains. This paper presents a systematic approach to tackle the issue of bullwhip effect. Firstly, we define the supply chain under a multiagent framework. Secondly, the group problem solving paradigm, which is a rule learning approach, is proposed to enhance the decision making process within the supply chain framework. The group problem solving paradigm is also suggested as a means to alleviate the bullwhip effect. The paper concludes with …

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Knowledge Sharing With Customers On The Www: Approaches By National Tourism Organizations, Xinran You, Joseph O'Leary, Fiona Fui-Hoon Nah Aug 1999

Knowledge Sharing With Customers On The Www: Approaches By National Tourism Organizations, Xinran You, Joseph O'Leary, Fiona Fui-Hoon Nah

Research Collection School Of Computing and Information Systems

The importance of knowledge management has been emphasized increasingly in recent literature. Knowledge has been regarded as the most important corporate asset in an organization (Nonaka and Takeuchi, 1995). But what is knowledge? According to Harris (1996), "when information is combined with context and experience, it becomes knowledge". Hence, knowledge is the integration of information, context, and experience (Ponelis and Fairer-Wessels, 1998). In the tourism context of this paper, there are two components of knowledge: (1) customer knowledge--understanding of customers by marketers that leads to more effective marketing actions; and (2) destination knowledge that either the travelers or travel experts …

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Website Design: The Concepts Of Informational And Computational Equivalence, Keng Siau Aug 1999

Website Design: The Concepts Of Informational And Computational Equivalence, Keng Siau

Research Collection School Of Computing and Information Systems

“To the end users, the user interface is the system.” This slogan has been widely used in human-computer interaction field to stress the importance of user interface design. In the Internet and electronic commerce area, the website is not only the system, but it also projects an image of the organization in cyberspace. The design of websites is central to businesses as they create the first impression of organizations to visitors. For a virtual organization, the website is also the only medium that visitors rely on to form their impression of the organization. In this paper, we look at theories …

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Commercial Satellite Imagery Comes Of Age, Ann Florini, Yahya Dehqanzada Aug 1999

Commercial Satellite Imagery Comes Of Age, Ann Florini, Yahya Dehqanzada

Research Collection School of Social Sciences

Since satellites started photographing Earth from space nearly four decades ago, their images have inspired excitement, introspection, and, often, fear. Like all information, satellite imagery is in itself neutral. But satellite imagery is a particularly powerful sort of information, revealing both comprehensive vistas and surprising details. Its benefits can be immense, but so can its costs.

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Selection Of Expatriates For Regional Business Operations In Asia: A Study Of Mne Managers In Singapore, A. Ahad M. Osman-Gani, Wee Liang Tan, Thian Ser Toh Aug 1999

Selection Of Expatriates For Regional Business Operations In Asia: A Study Of Mne Managers In Singapore, A. Ahad M. Osman-Gani, Wee Liang Tan, Thian Ser Toh

Research Collection Lee Kong Chian School Of Business

The recent interest for regionalization of business operations in Asia underscores the demand for expatriates. While much has been written on expatriation, very little was documented on expatriates assigned in Asian countries. In this respect, American, German, Japanese and Korean MNEs have been found to take active interests in regional expansion of business in Asia. Expatriation is a significant international management issue for them. The high costs of expatriation and the risks for expatriate failures also underscore this importance. As such, selecting the right candidate for expatriation success is a crucial issue for these MNEs. This paper presents the findings …

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Private Placement Of Common Equity And Earnings Expectations, Jeremy C. Goh, Michael Gombola, Hai Wei Lee, Feng Ying Liu Aug 1999

Private Placement Of Common Equity And Earnings Expectations, Jeremy C. Goh, Michael Gombola, Hai Wei Lee, Feng Ying Liu

Research Collection Lee Kong Chian School Of Business

Earnings forecast revisions by analysts subsequent to the announcement of private equity placements are examined. Results show that analysts make significant upward revisions to their forecasts for current-year earnings. Furthermore, these forecast revisions are significantly related to announcement-period abnormal returns, but not to the risk changes accompanying the equity placement. These findings are consistent with the information hypothesis, which suggests that private equity placements convey favorable information about future earnings.

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Theory And Research In Strategic Management: Swings Of A Pendulum, Robert E. Hoskisson, William P. Wan, Daphne W. Yiu, William A. Hitt Aug 1999

Theory And Research In Strategic Management: Swings Of A Pendulum, Robert E. Hoskisson, William P. Wan, Daphne W. Yiu, William A. Hitt

Research Collection Lee Kong Chian School Of Business

The development of the field of strategic management within the last two decades has been dramatic. While its roots have been in a more applied area, often referred to as business policy, the current field of strategic management is strongly theory based, with substantial empirical research, and is eclectic in nature. This review of the development of the field and its current position examines the field’s early development and the primary theoretical and methodological bases through its history. Early developments include Chandler’s (1962) Strategy and Structure and Ansoff’s (1965) Corporate Strategy. These early works took on a contingency perspective (fit …

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Cluster-Based Database Selection Techniques For Routing Bibliographic Queries, Jian Xu, Ee Peng Lim, Wee-Keong Ng Aug 1999

Cluster-Based Database Selection Techniques For Routing Bibliographic Queries, Jian Xu, Ee Peng Lim, Wee-Keong Ng

Research Collection School Of Computing and Information Systems

In this paper, we focus on the database selection problem in the context of a global digital library consisting of a large number of online bibliographic servers. Each server hosts a bibliographic database that contains bibliographic records each of which consists of text values for a number of pre-defined bibliographic attributes such as title, author, call number, subject, etc.. Each bibliographic database supports user queries on the bibliographic attributes. Since bibliographic records are relatively small in size, we only consider bibliographic databases that support boolean queries on the bibliographic attributes, and the query results are not ranked. While focusing on …

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A Recurring Improvisational Methodology For Change Management In Erp Implementation, Michelle Sieber, Fiona Fui-Hoon Nah Aug 1999

A Recurring Improvisational Methodology For Change Management In Erp Implementation, Michelle Sieber, Fiona Fui-Hoon Nah

Research Collection School Of Computing and Information Systems

Change has become an ongoing phenomenon and business process re-engineering has become a necessity for survival of organizations as we approach the 21st century. As participants in this ever-changing working environment, we must be innovative in managing change as it affects both our professional and personal lives. One of the innovative ways to manage change in the implementation of an enterprise resource planning (ERP) system is to adopt a comprehensive change management methodology. In this research, we propose the use of the recurring improvisational change methodology for managing such change. This research is also aimed at implementing the improvisational change …

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Experience As Art, Sor-Hoon Tan Jul 1999

Experience As Art, Sor-Hoon Tan

Research Collection School of Social Sciences

Chinese philosophy views experience as intrinsically aesthetic. This world view could be elucidated through a consideration of John Dewey's aesthetics and features of Chinese art. Dewey's philosophy of art starts with an understanding of experience as 'live processes' of living creatures interacting with their environment. Such processes are autopoietic in being self-sustaining, ever-changing, capable of increasing complexity, capable of generating novelty, direction and progress on its own. Its autopoietic character is a precondition of the aesthetic in the process of experience. An aesthetic experience is rhythmic, focused, consummatory, and reaches beyond the transitory boundaries of concrete existence. The aesthetic is …

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Within The Civil Law Tradition, Nadja Alexander Jul 1999

Within The Civil Law Tradition, Nadja Alexander

Research Collection Yong Pung How School Of Law

A review of the international literature on ADR reveals a wide spectrum of dispute resolution processes practised throughout the world. It also demonstrates significant differences among different countries’ application of ADR procedures; for example, mediation.

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The Globalisation Of Crime, Mark Findlay Jul 1999

The Globalisation Of Crime, Mark Findlay

Research Collection Yong Pung How School Of Law

As with many emergent themes in today's society, globalisation is simple and complex. Put simply, it is the collapsing of time and space; the process whereby through mass communication, multi-national commerce, internationalised politics, and transnational regulation we seem to be moving inexorably towards a single culture. The more complex interpretation of globalisation is as paradox - wherein there are as many pressures driving us in the direction of the common culture as those keeping us apart.

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Views From The Drugs Summit, Mark Findlay Jul 1999

Views From The Drugs Summit, Mark Findlay

Research Collection Yong Pung How School Of Law

The jury is still out on whether the Drugs Summit was a political set piece. The Opposition participants regularly accused the Government of just that. Without doubt, however, it was the reaction of the Opposition which was orchestrated and pre-conceived.

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Camera Break Detection By Partitioning Of 2d Spatio-Temporal Images In Mpeg Domain, Chong-Wah Ngo Jun 1999

Camera Break Detection By Partitioning Of 2d Spatio-Temporal Images In Mpeg Domain, Chong-Wah Ngo

Research Collection School Of Computing and Information Systems

In this paper, we propose a new approach to detect camera cuts and wipes. The approach projects a video into two images representing the spatio-temporal continuity of a video life. Visually, these images are composed by regions of different patterns, each region represents the temporal location of a shot. The shape of a region boundary inherently classifies cut and wipe, and most importantly, marks the start and end of a wipe sequence. We hence formulate algorithms to locate the color and texture discontinuities occurring at the boundaries of image regions.

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The Effectiveness Of Expert Support Technology For Decision Making: Individuals Versus Small Groups, Fiona Fui-Hoon Nah, Jiye Mao, Izak Benbasat Jun 1999

The Effectiveness Of Expert Support Technology For Decision Making: Individuals Versus Small Groups, Fiona Fui-Hoon Nah, Jiye Mao, Izak Benbasat

Research Collection School Of Computing and Information Systems

Expert support systems (ESSs) are increasingly used in organizations to support individuals and groups in decision making. Although ESSs have been shown to enhance the decision-making capabilities of individuals, their benefits in supporting group decision making are less clear. To the best of our knowledge, no empirical research has evaluated the effectiveness of the technology in the group setting or compared its usefulness for supporting individual versus group decision making. The results of this research show that ESSs benefit decision making of both individuals and groups and novices are able to gain more from ESSs than experts. The findings also …

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Globalisation And Singaporean Transmigration: Re-Imagining And Negotiating National Identity, Lily Kong Jun 1999

Globalisation And Singaporean Transmigration: Re-Imagining And Negotiating National Identity, Lily Kong

Research Collection School of Social Sciences

Within the context of globalisation that confronts the world today, I aim in this paper to illustrate one particular state's attempts at constructing a 'nation' amidst efforts to encourage its citizens to globalise, actions which are ostensibly, or at least, potentially, contradictory; and to analyse how these citizens who became transmigrants construct and negotiate their sense of 'nation' and national identity. Specifically, my empirical questions centre on Singaporean transmigrants working in China. I ask the following questions. What happens to the sense of national identity among Singaporeans and their relationship with the 'nation' when confronted with transnational conditions? What are …

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A Simultaneous Model For Innovative Product Category Sales Diffusion And Competitive Dynamics, Namwoon Kim, Ellen Bridges, Rajendra Kumar Srivastava Jun 1999

A Simultaneous Model For Innovative Product Category Sales Diffusion And Competitive Dynamics, Namwoon Kim, Ellen Bridges, Rajendra Kumar Srivastava

Research Collection Lee Kong Chian School Of Business

Diffusion of innovation has been the focus of an entire stream of research in marketing, and firm entry and exit decisions have been investigated by marketers, strategists, and economists. However, little attention has been paid to the relationship between changing demand and the entry and exit behaviors of competitors in the marketplace. Understanding this relationship is essential in making resource commitments, as profitability of options depends not only on the size and growth of the market, but also on the number of competitors likely to be encountered. This is particularly important in innovative markets, where changes occur rapidly and one …

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Smu To Award Own Degree, Singapore Management University Jun 1999

Smu To Award Own Degree, Singapore Management University

SMU Press Releases and News

No abstract provided.

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Contextual Effects On The Revision Of Evaluative Judgements: An Extension Of The Omission Detection Framework, A. V. Muthukrishnan, Seshan Ramaswami Jun 1999

Contextual Effects On The Revision Of Evaluative Judgements: An Extension Of The Omission Detection Framework, A. V. Muthukrishnan, Seshan Ramaswami

Research Collection Lee Kong Chian School Of Business

When consumers are presented with negative information about a brand that they have evaluated positively earlier, the extent to which they change their initial evaluation may depend on the formats in which information is presented (non-comparative vs. comparative) at the two stages. In four experiments, we manipulate the format in which information is presented at an initial and at a challenge stage and investigate their effects on the degree of revision in evaluative judgments. The results of the four experiments suggest that when consumers receive initial information in a noncomparative format, a comparative challenge causes a greater degree of revision …

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Running On The Spot? A Review Of Twenty Years Of Research On The Management Of Human Resources In Comparative And International Perspective, Timothy Adrian Robert Clark, Howard Gospel, John Montgomery Jun 1999

Running On The Spot? A Review Of Twenty Years Of Research On The Management Of Human Resources In Comparative And International Perspective, Timothy Adrian Robert Clark, Howard Gospel, John Montgomery

Research Collection Lee Kong Chian School Of Business

Research using a comparative and international perspective on the management of human resources is examined, drawing on articles published in leading human resource management, management/ organizational behaviour and related social science journals between 1977 and 1997. In total a little under 2 per cent of the articles under review focused on the management of human resources in a comparative and international perspective. The largest group of these articles was comparative in nature (44 per cent), followed by those with an international perspective (35 per cent). A smaller number adopted a combined approach (17 per cent) and a few were separately …

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Detection Of Gradual Transitions Through Temporal Slice Analysis, Chong-Wah Ngo, T. C. Pong, R. T. Chin Jun 1999

Detection Of Gradual Transitions Through Temporal Slice Analysis, Chong-Wah Ngo, T. C. Pong, R. T. Chin

Research Collection School Of Computing and Information Systems

In this paper, we present approaches for detecting camera cuts, wipes and dissolves based on the analysis of spatio-temporal slices obtained from videos. These slices are composed of spatial ly and temporal ly coherent regions which can be perceived as shots. In the proposed methods, camera breaks are located by performing color-texture segmentation and statistical analysis on these video slices. In addition to detecting camera breaks, our methods can classify the detected breaks as camera cuts, wipes and dissolves in an efficient manner

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Space, Culture And Power: New Identities In Globalizing Cities By AyşE ÖNcü; And Petra Weyland, Lily Kong Jun 1999

Space, Culture And Power: New Identities In Globalizing Cities By AyşE ÖNcü; And Petra Weyland, Lily Kong

Research Collection School of Social Sciences

The book is tantalizingly titled, promising to draw together between the covers of a single volume empirical analyses of several key notions, namely, space, culture, power, identity and globalization. It is attractive precisely for its empirical orientation, especially towards several cities that do not often enter the English language literature, particularly Istanbul, Cairo and the former East German cities. Concerned with globalization and localization, the book has a particular emphasis on social and cultural dimensions while situating the discussions within the larger networks and circuits of global trade and finance.

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Estimating A Transformation And Its Effect On Box-Cox T-Ratio, Zhenlin Yang Jun 1999

Estimating A Transformation And Its Effect On Box-Cox T-Ratio, Zhenlin Yang

Research Collection School Of Economics

This article concerns i) the stochastic behavior of the Box-Cox transformation estimator and ii) the effect of estimating a transformation on the Box-CoxT-ratio used for the post-transformation analysis. It is shown that the transformation estimator depends on three factors: the model structure, the mean-spread and the error standard deviation σ0. In general, a structured model is able to estimate the transformation very well; an unstructured model can do well also unless the mean-spread and σ0 are both small; and a one-mean mode can give a poor-estimate if σ0 is small. When the sample is not large, it is shown that …

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Tolerating The Intolerable, Chandran Kukathas May 1999

Tolerating The Intolerable, Chandran Kukathas

Research Collection School of Social Sciences

Presenting a lecture[1] on the virtue of toleration anywhere, let alone in the chambers of the Australian Senate department, should strike most people as a peculiarly pointless kind of exercise. Would anyone not in favour of toleration bother to turn up? (And what is the point of preaching to the converted? Would anyone against it bother to listen? And could such a person be converted?) In truth, it might not be easy to find anyone who openly professed intolerance. Almost everyone is in favour of tolerance; though of course, each will hasten to add, this does not mean that ‘anything …

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A Meta-Analysis Of Satisfaction In Marketing Channel Relationships, Inge Geyskens, Jan-Benedict E. M. Steenkamp, Nirmalya Kumar May 1999

A Meta-Analysis Of Satisfaction In Marketing Channel Relationships, Inge Geyskens, Jan-Benedict E. M. Steenkamp, Nirmalya Kumar

Research Collection Lee Kong Chian School Of Business

The authors advance a conceptual model of channel member satisfaction that distinguishes between economic and noneconomic satisfaction. The resulting model then is tested using meta-analysis, Meta-analysis enables the empirical investigation of a model involving several constructs that never have been examined simultaneously within an individual study. More specifically, the authors unify the stream of research on power use-the focus of many satisfaction studies in the 1970s and 1980s-with more recent work on trust and commitment, which usually explores antecedents other than power use. The results indicate that economic satisfaction and noneconomic satisfaction are distinct constructs with differential relationships to various …

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The Determinants Of Bid-Ask Spreads In The Foreign Exchange Futures Markets: A Microstructure Analysis, David K. Ding May 1999

The Determinants Of Bid-Ask Spreads In The Foreign Exchange Futures Markets: A Microstructure Analysis, David K. Ding

Research Collection Lee Kong Chian School Of Business

This paper investigates and analyzes the intraday and daily determinants of bid-ask spreads in the foreign exchange futures market. It is found that the number of transactions is negatively related to the BAS, whereas volatility in general is positively related to it. The study also finds that there are economies of scale in trading FXF contracts. The intraday BAS follows a U-shaped pattern, and they tend to be higher on Mondays and Tuesdays than on other days of the week. Higher spreads at the beginning and end of a trading day are consistent with the presence of adverse selection and …

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Instructional Case: Worldwide Shipping Corporation Ltd: Early Or Late Adoption Of A New International Accounting Ssandard?, Pearl Tan, Peter Lee May 1999

Instructional Case: Worldwide Shipping Corporation Ltd: Early Or Late Adoption Of A New International Accounting Ssandard?, Pearl Tan, Peter Lee

Research Collection School Of Accountancy

The management of Worldwide Shipping Corp. Ltd. is confronted with a dilemma when a new international accounting standard on leases is introduced which contains a transitional provision allowing firms to defer implementation for a period of 4 years. Students are required to put themselves in the position of managers who have to weigh the adverse impact of early adoption of the new accounting standard against a responsibility for fair financial reporting. The case aims to provide students with a better understanding of the impact of off-balance sheet transactions on a firm's financial statements. The case requires students to examine implications …

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Notepals: Lightweight Note Sharing By The Group, For The Group, Richard C. Davis, James A. Landay, Victor Chen, Jonathan Huang, Rebecca B. Lee, Francis Li, James Lin, Charles B. Morrey, Morgan N. Price, Bill N. Schilit May 1999

Notepals: Lightweight Note Sharing By The Group, For The Group, Richard C. Davis, James A. Landay, Victor Chen, Jonathan Huang, Rebecca B. Lee, Francis Li, James Lin, Charles B. Morrey, Morgan N. Price, Bill N. Schilit

Research Collection School Of Computing and Information Systems

NotePals is a lightweight note sharing system that gives group members easy access to each others experiences through their personal notes. The system allows notes taken by group members in any context to be uploaded to a shared repository. Group members view these notes with browsers that allow them to retrieve all notes taken in a given context or to access notes from other related notes or documents. This is possible because NotePals records the context in which each note is created (e.g., its author, subject, and creation time). The system is lightweight because it fits easily into group members …

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Information Modeling And Method Engineering: A Psychological Perspective, Keng Siau Apr 1999

Information Modeling And Method Engineering: A Psychological Perspective, Keng Siau

Research Collection School Of Computing and Information Systems

Information modeling is the cornerstone of information systems analysis and design. Information models, the products of information modeling, not only provide the abstractions required to facilitate communication between the analysts and end users, but they also provide a formal basis for developing tools and techniques used in information systems development. The process of designing, constructing, and adapting information modeling methods for information systems development is known as method engineering. Despite the pivotal role of modeling methods in successful information systems development, most modeling methods are designed based on common sense and intuition of the method designers with little or no …

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Pi-Web Join In A Web Warehouse, Sourav S. Bhowmick, Sanjay Kumar Madria, Wee-Keong Ng, Ee Peng Lim Apr 1999

Pi-Web Join In A Web Warehouse, Sourav S. Bhowmick, Sanjay Kumar Madria, Wee-Keong Ng, Ee Peng Lim

Research Collection School Of Computing and Information Systems

With the enormous amount of data stored in the World Wide Web, it is increasingly important to design and develop powerful web warehousing tools. The key objective of our web warehousing project, called WHOWEDA (Warehouse of Web Data), is to design and implement a web warehouse that materializes and manages useful information from the Web. In this paper, we introduce the concept of Pi-web join in the context of WHOWEDA. Pi-web join operator is a web information manipulation operator to combine relevant web information residing in two web tables. Informally, it is the combination of web join and web project …

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