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Inclusive Production Of Neutral Vector Mesons In Hadronic Z Decays, D. Buskulic, Manoj Thulasidas Jan 1995

Inclusive Production Of Neutral Vector Mesons In Hadronic Z Decays, D. Buskulic, Manoj Thulasidas

Research Collection School Of Computing and Information Systems

Data on the inclusive production of the neutral vector mesonsρ 0(770),ω(782), K*0(892), andφ(1020) in hadronic Z decays recorded with the ALEPH detector at LEP are presented and compared to Monte Carlo model predictions. Bose-Einstein effects are found to be important in extracting a reliable value for theρ 0 production rate. An averageρ 0 multiplicity of 1.45±0.21 per event is obtained. Theω is detected via its three pion decay modeω→π + π − π 0 and has a total rate of 1.07±0.14 per event. The multiplicity of the K*0 is 0.83±0.09, whilst that of theφ is 0.122±0.009, both measured using their …

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Object Interactions As First Class Objects: From Design To Implementation, Mahesh Dodani, Benjamin Kok Siew Gan, Lizette Velazquez Jan 1995

Object Interactions As First Class Objects: From Design To Implementation, Mahesh Dodani, Benjamin Kok Siew Gan, Lizette Velazquez

Research Collection School Of Computing and Information Systems

Collaborations between objects make up the dynamic behavior of OO software. These collaborations among objects require careful design and implementation. Treating the interactions as responsibilities that are integrated in the participating objects, results in tight coupling between objects. Tight coupling increases complexity and reduces reusability. Object interactions need to be first class objects from design to implementation. Our research provides a unified approach to model and implement these interactions as first class objects. During analysis and design, they are modeled using DynaSpecs. During implementation, they are coded with a new language construct called Compositions. DynaSpecs and Compositions provide a consistent …

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Music And Cultural Politics: Ideology And Resistance In Singapore, Lily Kong Jan 1995

Music And Cultural Politics: Ideology And Resistance In Singapore, Lily Kong

Research Collection School of Social Sciences

This paper focuses on popular music written and produced by Singaporeans to illustrate the nature of social relationships based on ideological hegemony and resistance. Analysis is based on two groups of music: 'national' songs supported by the government in the 'Sing Singapore' programme; and songs brought together in Not the Singapore song book. Interviews with local lyricists and analysis of video productions provide supplementary information. Music is used by the ruling elite to perpetuate certain ideologies aimed at political socialization and to inculcate a civil religion that directs favour and fervour towards the nation. Music is also a form of …

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Equal Protection And Sexual Orientation, Jack Tsen-Ta Lee Jan 1995

Equal Protection And Sexual Orientation, Jack Tsen-Ta Lee

Research Collection Yong Pung How School Of Law

Equality is the thread running through the fundamental liberties enshrined in our Constitution. ... Equality, expressed in Art 12 of the [Singapore] Constitution, is also a specific right enforceable by the court. The difficulty comes in applying this deceptively simple concept to real-life situations. ... In considering the validity of legislation, Singapore and Malaysian courts have generally favored rational review, a modest conception of equal protection, unlike their American counterparts which have adopted a more expansive reading in the form of strict and intermediate review. This article examines how these three levels of equal protection review operate, and argues that …

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Separability, Competence-Competence And The Arbitrator’S Jurisdiction In Singapore, Jack Tsen-Ta Lee Jan 1995

Separability, Competence-Competence And The Arbitrator’S Jurisdiction In Singapore, Jack Tsen-Ta Lee

Research Collection Yong Pung How School Of Law

The concepts of separability and competence-competence, which promote arbitral autonomy, exist in many jurisdictions. This article surveys the extent of their acceptance in Singapore's domestic and international arbitration law, and suggests that legislative refinements are necessary to remove doubts and resolve conflicts between the law and the SIAC [Singapore International Arbitration Centre] Rules.

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Jurisdiction Issues In International Tort Litigation: A Singapore View, Tiong Min Yeo Jan 1995

Jurisdiction Issues In International Tort Litigation: A Singapore View, Tiong Min Yeo

Research Collection Yong Pung How School Of Law

This article looks at the issues that arise at a jurisdictional stage when a claim in tort containing foreign elements is made in a Singapore court. In particular, the amended Order 11 rule 1(f) of the Rules of the Supreme Court is examined. Because of the paucity of local authorities, extensive references are made to relevant Commonwealth cases to aid in the interpretation of the local provision.

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Oh, The Times They Are A Changin: The Quiet (R)Evolution Revealed, Nadja Alexander Jan 1995

Oh, The Times They Are A Changin: The Quiet (R)Evolution Revealed, Nadja Alexander

Research Collection Yong Pung How School Of Law

One wonders if John Rhoades was thinking about lawyers when this was written.Unfortunately (for innovative law teachers at leas~) lawyers often' have a reputation forbeing staid and conservative. Only the passage of time and re-education of lawyers, lawstudents and the public can hope to alter this perception. As role models, law teachers caninfluence students' sense of worth, attitudes, ethics, and professional expectationsenormously. Often this potential sphere of influence is exercised unconsciously, if not,neglected. As a role model, teachers have the perfect opportunity to communicate to theirstudents why their discipline is exciting and why it is worthy of commitment.

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Transplanting Manufacturing Power: Observations From Five Years At Fujitsu, Steven M. Miller Jan 1995

Transplanting Manufacturing Power: Observations From Five Years At Fujitsu, Steven M. Miller

Research Collection School Of Computing and Information Systems

Within a factory, what are the underpinnings of manufacturing power? During my thirty-month residency at Fujitsu's factory in Oyama, Japan, I constantly reflected on this question. The standard view of a factory structure provided by an organization chart was inadequate for summarizing my observations.

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Multiple Query Optimization With Depth-First Branch-And-Bound And Dynamic Query Ordering, Ee Peng Lim, Ahmet Cosar, Jaideep Srivastava Jan 1995

Multiple Query Optimization With Depth-First Branch-And-Bound And Dynamic Query Ordering, Ee Peng Lim, Ahmet Cosar, Jaideep Srivastava

Research Collection School Of Computing and Information Systems

In certain database applications such as deductive databases, batch query processing, and recursive query processing etc., usually a single query gets transformed into a set of closely related database queries. Also, great benefits can be obtained by executing a group of related queries all together in a single unified multi-plan instead of executing each query separately. In order to achieve this Multiple Query Optimization (MQO) identifies common task(s) (e.g. common subexpressions, joins, etc.) among a set of query plans and creates a single unified plan (multi-plan) which can be executed to obtain the required outputs for all queries at once. …

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Production Of Excited Beauty States In Z Decays, D. Buskulic, Manoj Thulasidas Jan 1995

Production Of Excited Beauty States In Z Decays, D. Buskulic, Manoj Thulasidas

Research Collection School Of Computing and Information Systems

A data sample of about 3.0 million hadronic Z decays collected by the ALEPH experiment at LEP in the years 1991 through 1994, is used to make an inclusive selection of B hadron events.

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Improved Tau Polarisation Measurement, D. Buskulic, M. Thulasidas Jan 1995

Improved Tau Polarisation Measurement, D. Buskulic, M. Thulasidas

Research Collection School Of Computing and Information Systems

Using 22 pb−1 of data collected at LEP in 1992 on the peak of the Z resonance, the ALEPH collaboration has measured the polarisation of the tau leptons decaying intoevv¯,μvv¯evv¯,μvv¯,πν, ρν and a1 ν from their individual decay product distributions. The measurement of the tau polarisation as a function of the production polar angle yields the two parametersN τ andN e, where, in terms of the axial and vector couplingsg Al andg Vl,N l=2g Vl gAl/(g 2Vl+g2Al). This analysis follows to a large extent the methods devised for the 1990 and 1991 data but with improvements which bring a better …

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Adaptive Resonance Associative Map, Ah-Hwee Tan Jan 1995

Adaptive Resonance Associative Map, Ah-Hwee Tan

Research Collection School Of Computing and Information Systems

This article introduces a neural architecture termed Adaptive Resonance Associative Map (ARAM) that extends unsupervised Adaptive Resonance Theory (ART) systems for rapid, yet stable, heteroassociative learning. ARAM can be visualized as two overlapping ART networks sharing a single category field. Although ARAM is simpler in architecture than another class of supervised ART models known as ARTMAP, it produces classification performance equivalent to that of ARTMAP. As ARAM network structure and operations are symmetrical, associative recall can be performed in both directions. With maximal vigilance settings, ARAM encodes pattern pairs explicitly as cognitive chunks and thus guarantees perfect storage and recall …

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Beyond Pepper V. Hart: The Legislative Reform Of Statutory Interpretation In Singapore, Robert C. Beckman, Andrew B.L. Phang Dec 1994

Beyond Pepper V. Hart: The Legislative Reform Of Statutory Interpretation In Singapore, Robert C. Beckman, Andrew B.L. Phang

Research Collection Yong Pung How School Of Law

One of the major controversies in the area of statutory interpretation has centred on the use of parliamentary materials as extrinsic aids by courts in interpreting legislation. The English courts long prohibited any reference to parliamentary materials.' Legislation was passed in Australia in the 1980s to allow liberal reference to parliamentary materials in the courts. More recently, a seminal decision of the House of Lords in 1992 in Pepper (Inspector of Taxes) v. Hart' introduced significant flexibility into the hitherto rigid proscription followed in the English courts, although it did not go as far as the legislative reforms in Australia. …

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Knowledge-Based Safety Training System (Kbsts): A Prototype Implementation, Venky Shankararaman, B. S. Lee Dec 1994

Knowledge-Based Safety Training System (Kbsts): A Prototype Implementation, Venky Shankararaman, B. S. Lee

Research Collection School Of Computing and Information Systems

A computer-based safety training system for process operators must be able to make effective presentation of textual material, test the trainee's understanding through quizzes and facilitate plant simulation. The general framework of such a system is presented in an earlier paper (Computers in Industry, Vol. 17, 1991, pp. 349–358). In this paper, we discuss the development and implementation of a prototype Knowledge-Based Safety Training System based on the framework. The design philosophy, system architecture and the plant modelling methodology are described.

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A Load Distribution Through Competition For Workstation Clusters, Kam Hong Shum, Muslim Bozyigit Nov 1994

A Load Distribution Through Competition For Workstation Clusters, Kam Hong Shum, Muslim Bozyigit

Research Collection School Of Computing and Information Systems

The aim of this work is to develop a competition driven solution approach for load distribution in distributed computing system (DCS) environments. The subject DCS is composed of a set of workstation clusters. The study deals with concurrent applications, but assumes the existence of the independent tasks executing on individual workstations as well. Akin to conventional load balancing algorithms, the approach considers two phases; the partitioning phase and the mapping phase. Each phase is based on the application and the DCS data which is translated into market data, mainly price. The price is governed by the demand and supply of …

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The Ambiguity Of Accountability: Deaths In Custody, And The Regulation Of Police Power, Mark Findlay Nov 1994

The Ambiguity Of Accountability: Deaths In Custody, And The Regulation Of Police Power, Mark Findlay

Research Collection Yong Pung How School Of Law

Policing is power. Police authority relies on transactions or relationships of power and influence. The nature of that authority depends on, and takes its form from specific environments of opportunity. Opportunity is, in turn, designated by the aspirations for such relationships, and structures and processes at work towards their regulation. Police authority can be confirmed either legitimately or illegitimately, depending on its context. Essential to the operation of police authority are the "boundaries of permission" which designate the dominion of police power. A principal regulator of police authority, and therefore an important mechanism whereby boundaries of permission are determined, is …

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An Empirical Study On End Users' Update Performance For Different Abstraction Levels, Hock Chuan Chan, Kwok Kee Wei, Keng Siau Sep 1994

An Empirical Study On End Users' Update Performance For Different Abstraction Levels, Hock Chuan Chan, Kwok Kee Wei, Keng Siau

Research Collection School Of Computing and Information Systems

Recent laboratory experiments have shown a strong tendency that database users can perform better at the conceptual level than at the logical level. The experiments measured users’ performance for the tasks of database design and database retrieval. Besides database design and retrieval, the third major database task is update. User performance for updates has not been measured. With the widespread availability of databases, updates will be done frequently by end-users. This task is gaining in importance as a measure of the usability of a database system. An experiment was conducted to measure the effect of different abstraction levels on user …

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Performance Of Combined Diversity Reception And Convolutional Coding For Qdpsk Land Mobile Radio, Huafei Zhou, Robert H. Deng, T. T. Tjhung Aug 1994

Performance Of Combined Diversity Reception And Convolutional Coding For Qdpsk Land Mobile Radio, Huafei Zhou, Robert H. Deng, T. T. Tjhung

Research Collection School Of Computing and Information Systems

Diversity reception and error correction coding are powerful techniques to combat multipath fading encountered in mobile radio communications. In order to improve the transmission performance of the ?/4-shift QDPSK signal in mobile radio channels, the authors propose a new scheme of combined coding and diversity reception, i.e., combination of diversity reception employing code combining (CC) and convolutional coding employing error-and erasure correction Viterbi decoding. They also consider another combination scheme, i.e., combination of diversity reception employing postdetection maximal ratio combining (MRC) and convolutional coding employing hard decision Viterbi decoding. They theoretically analyze the performance of the schemes taking into account …

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Optimum Symbol-By-Symbol Detection Of Uncoded Digital Data Over The Gaussian Channel With Unknown Carrier Phase, Pooi Yuen Kam, Seng Siew Ng, Tock Soon Ng Aug 1994

Optimum Symbol-By-Symbol Detection Of Uncoded Digital Data Over The Gaussian Channel With Unknown Carrier Phase, Pooi Yuen Kam, Seng Siew Ng, Tock Soon Ng

Research Collection School Of Computing and Information Systems

A theory of optimum receiver design for symbol-by-symbol detection of an uncoded digital data sequence received over the Gaussian channel with unknown carrier phase is presented. Linear suppressed-carrier modulation is assumed. The work here aims at laying a conceptual foundation for optimum symbol-by-symbol detection, and rectifies existing approaches to the problem. The optimum receiver structure is obtained explicitly for an arbitrary carrier phase model, but its computational requirements are too heavy in general for any practical implementation. In one important special case, namely, the case in which the carrier phase can be treated as a constant over some K+1 symbol …

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Imagining The Demos In The Demos: Mob Discourse In Thai Politics, William A. Callahan Jul 1994

Imagining The Demos In The Demos: Mob Discourse In Thai Politics, William A. Callahan

Research Collection School of Social Sciences

eryone believes to some degree that wolves howl at the moon, or weigh two hundred pounds, or travel in packs of fifty, or are driven crazy by the smell of blood. None of this is true. The truth is we know little about the wolf. What we know a great deal about is what we imagine the wolf t

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Automated Manpower Rostering: Techniques And Experience, C. M. Khoong, Hoong Chuin Lau, L. W. Chew Jul 1994

Automated Manpower Rostering: Techniques And Experience, C. M. Khoong, Hoong Chuin Lau, L. W. Chew

Research Collection School Of Computing and Information Systems

We present ROMAN, a comprehensive, generic manpower rostering toolkit that successfully handles a wide spectrum of work policies found in service organizations. We review the use of various techniques and methodologies in the toolkit that contribute to its robustness and efficiency, and relate experience gained in addressing manpower rostering problems in industry.

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Production And Decay Of D1 (2420)0 And D2* (2460)0, Avery, P.; Et Al., M. Thulasidas Jun 1994

Production And Decay Of D1 (2420)0 And D2* (2460)0, Avery, P.; Et Al., M. Thulasidas

Research Collection School Of Computing and Information Systems

No abstract provided.

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Challenges And Opportunities Facing Brand Management: An Introduction To The Special Issue, Allan D. Shocker, Rajendra K. Srivastava, Robert W. Ruekert May 1994

Challenges And Opportunities Facing Brand Management: An Introduction To The Special Issue, Allan D. Shocker, Rajendra K. Srivastava, Robert W. Ruekert

Research Collection Lee Kong Chian School Of Business

We adopt a broad perspective. The issues affecting brand management go beyond those that can be dealt with by the set of articles constituting the special issue. A broad perspective enables us to sketch some directions for research. We discuss problems and opportunities posed by major market forces and their implications for product management. We adopt a "systems" view, which considers brand management as adaptive, responding not only to the actions of competitors, final and intermediate customers, and other stakeholders, but also to its own past actions and reputation. We distinguish brand managers from brand management and discuss some possibilities …

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To Extend Or Not To Extend: Success Determinants Of Brand Line Extensions, Srinivas K. Reddy, Susan L. Holak, Subodh Bhat May 1994

To Extend Or Not To Extend: Success Determinants Of Brand Line Extensions, Srinivas K. Reddy, Susan L. Holak, Subodh Bhat

Research Collection Lee Kong Chian School Of Business

The authors study the determinants of line extension success using data on 75 line extensions of 34 cigarette brands over a 20-year period to investigate the relative effects of brand, extension, and firm characteristics on the incremental market share of brand line extensions. The econometric model also captures the extent of cannibalization of parent brand sales that may have occurred due to the line extension's introduction. The authors also explore the role of a brand's symbolic value as a factor in line extension success. Results indicate that parent brand strength and its symbolic value, early entry timing, a firm's size, …

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Managing Memory For Real-Time Queries, Hwee Hwa Pang, Michael J. Carey, Miron Livny May 1994

Managing Memory For Real-Time Queries, Hwee Hwa Pang, Michael J. Carey, Miron Livny

Research Collection School Of Computing and Information Systems

The demanding performance objectives that real-time database systems (RTDBS) face necessitate the use of priority resource scheduling. This paper introduces a Priority Memory Management (PMM) algorithm that is designed to schedule queries in RTDBS. PMM attempts to minimize the number of missed deadlines by adapting both its multiprogramming level and its memory allocation strategy to the characteristics of the offered workload. A series of simulation experiments confirms that PMM's admission control and memory allocation mechanisms are very effective for real-time query scheduling.

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The Myriad Federated Database Prototype, San-Yih Hwang, Ee Peng Lim, H. R. Yang, S. Musukula, K. Mediratta, M. Ganesh, D. Clements, J. Stenoien, Jaideep Srivastava May 1994

The Myriad Federated Database Prototype, San-Yih Hwang, Ee Peng Lim, H. R. Yang, S. Musukula, K. Mediratta, M. Ganesh, D. Clements, J. Stenoien, Jaideep Srivastava

Research Collection School Of Computing and Information Systems

Myriad is a federated database system (FDBS) prototype being developed at the University of Minnesota. The main objective behind this prototyping effort is to provide "enterprise-wide" information by integrating independently developed databases while preserving the local autonomy of the component DBMSs and applications. In Myriad, multiple federations can be formed. A federation consists of an integrated database whose schema is represented as a set of integrated relations derived from the export relations provided by the component DBMSS. SQL, mainly due to its simplicity and popularity among database users and vendors, has been adopted to express global queries as well as …

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From Empire Defence To Imperial Retreat: Britain's Postwar China Policy And The Decolonization Of Hong Kong, James T. H. Tang May 1994

From Empire Defence To Imperial Retreat: Britain's Postwar China Policy And The Decolonization Of Hong Kong, James T. H. Tang

Research Collection School of Social Sciences

Attempts to examine Hong Kong as an issue in British postwar colonialpolicy often emphasize the unique nature of the colony, andtherefore a special case in British decolonization. Hong Kong hasbeen regarded as an unconventional colonial entity, an anachronismin the modern world. But others argue that the word colony is not anappropriate term to describe it, except in the most severely technicallegal sense, because of its spectacular industrial and economicdevelopment since the end of the Second World War.' Nonetheless,Hong Kong has existed as a British crown colony since I842, and itscolonial political structures have remained more or less the same untilthe …

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Challenges And Opportunities Facing Brand Management: An Introduction To The Special Issue, Allan Shocker, Rajendra Kumar Srivastava, Robert W. Ruekert May 1994

Challenges And Opportunities Facing Brand Management: An Introduction To The Special Issue, Allan Shocker, Rajendra Kumar Srivastava, Robert W. Ruekert

Research Collection Lee Kong Chian School Of Business

The article focuses on the state of brand management in the 1990s, including challenges and opportunities that brand managers face. It states that executives are challenged by daily crises that are a result of customer and competitive market activities, and also their need to strategically think about what function brand management serves. It examines the environmental pressures faced by brand managers as they work to create a competitive advantage as they adapt to and instigate change. It comments on the effect globalization has had on competition and the increased openness of markets. It examines the need for collaboration with competitors …

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Urban Conservation In Singapore: A Survey Of State Policies And Popular Attitudes, Lily Kong, Brenda S. A. Yeoh Mar 1994

Urban Conservation In Singapore: A Survey Of State Policies And Popular Attitudes, Lily Kong, Brenda S. A. Yeoh

Research Collection School of Social Sciences

This paper focuses on the intersection of state policies and popular attitudes towards urban conservation in Singapore. It first reviews changing state policies which have shaped the built environment from slum clearance in the 1950s and 1960s to the conservation of the city's historic districts in the 1980s and 1990s. It then explores the degree of convergence between the state and the public in terms of the meaning and purposes of conservation, the question of whose heritage to conserve and which strategies are appropriate. While there is general agreement on the need for conservation and the benefits it confers on …

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A Measurement Of B(D+S → Φl+Ν) B(D+S → Φπ+), Cleo Collaboration, F. Butler, Manoj Thulasidas Mar 1994

A Measurement Of B(D+S → Φl+Ν) B(D+S → Φπ+), Cleo Collaboration, F. Butler, Manoj Thulasidas

Research Collection School Of Computing and Information Systems

Using the CLEO II detector at CESR, we have measured the ratio of branching fractions B(D → φlν) B(D → φπ) = 0.54 ± 0.05 ± 0.04. We use this measurement to obtain a model dependent estimate of B(D → φπ). © 1994.

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