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Knowledge dissemination and advancement of organizational excellence

Quality Engineering 2001年第2期14卷 307-311+xix页

作者： Dalrymple, John Edgeman, Rick L. Hensler, Douglas A. Huq, Faizul Centre for Management Quality Research Bundoora West Campus Royal Melbourne Institute of Technology P.O. Box 71 Bundoora Vic. 3083 Australia Multinational Alliance for the Advancement of Organisation Excellence and QUEST Robert H. Smith School of Business University of Maryland College Park MD 20742-1815 United States Lockheed Martin Engineering Management Program College of Engineering and Applied Science University of Colorado at Boulder Boulder CO 80309-0433 United States Information Systems and Management Sciences College of Business Administration University of Texas at Arlington Arlington TX 76019 United States Centre for Management Quality Research Royal Melbourne Institute of Technology Australia MAAOE United States University of Maryland United States Department of Management University of Colorado Boulder CA United States College of Engineering and Applied Science College of Business and Administration United States Department of Management Science University of Texas Arlington TX United States

Formed in late 1998, the Multinational Alliance for the Advancement of Organisational Excellence (MAAOE) sustains the vision of creating, disseminating, and applying knowledge relevant to the advancement of organizational excellence. MAAOE advances next-generation quality management characterized by multinational, multidisciplinary, and performance focused. Presently numbering over 300 individuals representing a diverse group of disciplinary backgrounds and representing more than 20 nations on 6 continents, the alliance's participant group is consistent with that vision. Supporting MAAOE visions are three strategic intentions, each with several supporting goals and objectives. This article investigates and establishes MAAOE's second strategic intention, that of the knowledge dissemination relevant to the advancement of organizational excellence.

关键词： Knowledge application Knowledge creation Knowledge dissemination Organizational excellence Performance excellence Scientific theory

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Modeling and forecasting of hourly transactions on a WWW and proxy cache server

Modeling and forecasting of hourly transactions on a WWW and...

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1999 Internet Workshop, IWS 1999

作者： Tantatsanawong, Panjai Phien, Huynh Ngoc Kanchanasut, Kanchana Computer Science and Information Management Program School of Advanced Technologies Asian Institute of Technology Thailand

ISBN: (纸本)0780359259

A modeling approach is introduced in this paper to capture the real characteristics of the WWW traffic, using a combination of Box-Jenkins models with seasonality removal. Fourier analysis and standardization are used to render seasonal data into non-seasonal data. However, seasonality cannot be completely removed by this approach, so both seasonal and non-seasonal models are employed and the best models are selected using posterior possibility criterion (PPC). In order to improve the forecasting accuracy, forecast values obtained by the developed models are adjusted by the difference percentage of the day of the week and by using this percentage adjusted values in place of the actual data, which are not available at the time of forecasting. With this adjustment, the developed models can provide very accurate forecast values, except for the case where the higher level of hierarchical proxy is shared by child proxies located in a different time zone. © 1999 IEEE.

关键词： Forecasting

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The AI3 CacheBone project

The AI3 CacheBone project

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1999 Internet Workshop, IWS 1999

作者： Kanchanasut, Kanchana Yamaguchi, Suguru Kiatsirivatana, Kriengsak Inoue, Hiroyuki Suksakorn, Apisit Tantatsanawong, Panjai Internet Research Lab Computer Science and Information Management Program School of Advanced Technologies Asian Institute of Technology P.0.Box 4. KIongluang Pathumthani12120 Thailand Graduate School of Information Science Nara Institute of Science and Technology 8916-5 Takayama Ikoma Nara630-0101 Japan

ISBN: (纸本)0780359259

Hierarchical WWW cache formation which provides both higher hit rates and saves overall bandwidth consumption through fetching WWW objects and periodically redistributing them among member caches is proposed as an application on a satellite Internet infrastructure. With regular prefetching and distribution of WWW objects, our system can utilize the satellite Internet with continuous streaming data transmissions for efficient WWW caching. Our system consists of a single hub cache and several rim caches. The hub cache is a core unit which is located at the satellite hub station and gathers WWW objects from the Internet, while the rim cache fetches requested WWW objects from the hub cache as well as receiving WWW objects pushed from the hub cache. The prefetching strategy of the rim cache is based on the statistical pattern analysis of user accesses. Traffic monitoring is used to manage both prefetching and object push operations. In order to reduce the consumption of bandwidth in the satellite Internet, multicast transmission of WWW objects is introduced. Furthermore, cached objects are checked regularly with an ''if update' tag so that their consistency can be maintained with reasonable overhead. We discuss our design and implementation of the AI3 CacheBone with our adaptive hierarchical WWW cache formation scheme. Through experiments, we show that the performance of our rim cache shows an improvement of approximately three fold when compared with ordinary hierarchical cache systems such as Squid. © 1999 IEEE.

关键词： Bandwidth

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Applying fuzzy functions and sequential coordination to optimization of machinery arrangement and pipe routing

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NAVAL ENGINEERS JOURNAL 1998年第6期110卷 43-54页

作者： Wu, BC Young, GS Schmidt, W Choppella, K Dr. Bi-Chu Wu:received a PhD in Mechanical Engineering from the University of Maryland College Park in 1991. She has worked on projects involving naval architecture design optimization solid mechanics and database development. Presently a senwr engineer with Angle Incorporated Dr Wu's research interests are in design optimization and fuzzy logic applications. Dr. Gin-Shu Young: a senior engineer with Angle Incorporated holds a PhD in Mechanical Engineering from the University of Maryland College Park. As a guest researcher with National Institute of Standards and Technologies from 1990 to 1993 he worked on vision-based navigation for autonomous vehicles. His experience also includes applications of optimization fuzzy logic neural network and genetic algorithm methods to engineering system design Mr. William Schmidt:co-founded Angle Incorporated in 1990 and has served as Vice PresidentlChiefScientist during this tame. He holds a B.Sc. in Applied Science from the Naval Acadt?my and an M.Sc. in Physics from the Naval Post Graduate School. He has cner 20 years experience in technical leadership material and personnel management. He has led the application of computer aided design (CAD) and Product Model Information Exchange to the shipbuilding industry. His experience also includes leading the amlication of model based operational analysis to support the Live Fire Test Program for DDG 51 Class Destroyers. Mr. Krishna M. Choppella:is a Sofware Engineer at Eidea Laboratories Incotporated where he works on componentbased distributed enterpvise frameworks. He has been involved in creating data analysis tools for the US Nay by integrating CAD modeis databases and graphical front ends. His work in the Masters degree program in Mechanical Engineering at the University of Texas at Austin was in di0ddase.r spectroscopy of combustion products in porous-matri burners. He received his Bachelors degree in Electrical Engineering in India. He was a Research Associate at the Centre for Laser Technology and Project Engi

Ship design is often multidisciplinary involving several design elements with various types of objectives and constraints (O/C) some easily described as mathematical formulas, others better modeled as descriptive assertions. This paper describes a method based on fuzzy functions and an integrated performance index to model O/C using descriptive assertions to be used with mathematical formulas in optimization. Another issue addressed in this paper concerns the coordination of design elements when sequentially coupled, that is, when one leads the other and the performance of the follower depends greatly on the design of the leader. Based on neuro-fuzzy techniques, the method described here coordinates and optimizes sequentially coupled elements. The two methods are applied to machinery arrangement (MA) and pipe routing (PR). Preliminary models for optimization of MA and PR are described considering convenience, producibility: engine room size, interference and location as factors in the O/C set. Some test results from MA/PR applications are presented and discussed. The methods are generic and can be extended to other elements in ship design. They are mutually independent and may be used separately Two advantages of their use are an improvement in overall performance and a reduction in the need for redesign of elements.

关键词： Optimization

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Orthogonal schemes for bidirectional associative memories

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IEEE TRANSACTIONS ON SYSTEMS MAN AND CYBERNETICS PART B-CYBERNETICS 1997年第3期27卷 543-551页

作者： Haryono Sadananda, R Phien, HN Department of Computer Science and Information Management Program of the Asian Institute of Technology Bangkok Thailand

Two issues are addressed in this paper. Firstly, it investigates some important properties of bidirectional associative memories (BAM) and proposes an improved capacity estimate. Those properties are the encoding form of the input pattern pairs as well as their decoding, the orthogonality of the pattern pairs, the similarity of associated patterns, and the density of the pattern pairs. Secondly, it proposes an implementation approach to improve the storage capacity. The approach embraces three proposed methods, i.e., the bipolar-orthogonal augmentation, the set partition, and the combined method. Along with those methods is the construction of the set of bipolar orthogonal patterns.

关键词： associative memory bidirectional memory heteroassociative memory neural networks

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Fuzzy unification and resolution proof procedure for fuzzy conceptual graph programs 5th

Fuzzy unification and resolution proof procedure for fuzzy c...

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5th International Conference on Conceptual Structures, ICCS 1997

作者： Cao, Tru H. Creasy, Peter N. Wuwongse, Vilas School of Information Technology University of Queensland 4072 Australia Computer Science and Information Management Program Asian Institute of Technology P.O. Box 2754 Bangkok10501 Thailand

ISBN: (纸本)3540633081

Fuzzy conceptual graph programs are order-sorted fuzzy Iogic programs based on fuzzy conceptual graphs (FCGs). In this paper, we develop fuzzy unification and resolution proof procedure, taking into account fuzziness of FCGs and properties of fuzzy reasoning, for FCG programs. General issues of both CG and FCG unifications and resolution procedures are also analysed and solutions to them are proposed. The resolution procedure is proved to be sound with respect to the declarative semantics of FCG programs. © 1997, Springer-Verlag Berlin Heidelberg. All rights reserved.

关键词： Semantics

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Fuzzy modeling with genetic algorithms

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COMPUTERS AND ARTIFICIAL INTELLIGENCE 1997年第3期16卷 275-293页

作者： Wuwongse, V Veluppillai, S Computer Science and Information Management Program School of Advanced Technologies Asian Institute of Technology Bangkok Thailand

Recent applications of fuzzy control have created an urgent demand for fuzzy modeling techniques. Several methods for identification of fuzzy models from numerical input-output samples have been proposed. Among them, Sugeno and Yasukawa's method [6], which employs fuzzy c-means clustering, holds significant promises. This paper improves the method of Sugeno and Yasukawa. Identified fuzzy models are tuned at various stages by means of genetic algorithms, i.e., the numbers of input variables and rules are reduced and membership function parameters are adjusted. The technique, when applied to a nonlinear system, demonstrates its efficiency in a comparison with the original method of Sugeno and Yasukama.

关键词： fuzzy modeling fuzzy c-means clustering genetic algorithms

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Fuzzy types and their lattices

Fuzzy types and their lattices

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IEEE International Conference on Fuzzy Systems (FUZZ-IEEE)

作者： T.H. Cao P.N. Creasy V. Wuwongse School of Information Technology University of Queensland Australia Computer Science and Information Management Program Asian Institute of Technology Bangkok Thailand

Fuzzy sets and fuzzy logic are essential approaches to uncertain and vague information representation and reasoning. This paper is focused on uncertainty about types of objects and reasoning with it. A fuzzy type is formulated as a pair of a basic type and a truth-value, where a basic type can be crisp or vague (in the intuitive sense). A structure for a class of truth-value lattices is proposed for this construction. Then, fuzzy type lattices are developed with the fuzzy sub-type partial order satisfying intuition, and fuzzy type intersection and union operations. The result forms a basis for development of an order-sorted fuzzy logic system.

关键词： Lattices Fuzzy logic Uncertainty Logic programming Birds Fuzzy sets information representation Fuzzy reasoning information technology Automatic programming

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A parallel algorithm for embedding large pyramids into smaller hypercubes with load balancing

A parallel algorithm for embedding large pyramids into small...

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International Symposium on Parallel Architectures, Algorithms and Networks (ISPAN)

作者： Y.W. Chen K.L. Chung Department of Information Management Graduate Program of Information Engineering National Taiwan University of Science and Technology Taipei Taiwan

Consider a pyramid with n levels and a k-dimensional hypercube, 0/spl les/k/spl les/2n-2. The paper presents a parallel algorithm for embedding large pyramids into smaller hypercubes with load balancing. With dilation 4, congestion at most 2/sup n-k/2/+4, and load [2/sup 2n-k//3] when k is even, our algorithm embeds the pyramid into the hypercube, otherwise, with the same dilation and load, it has congestion 2/sup n-(k+1)///sup 2+1/+6 when k is odd. The algorithm can be performed in O(k)-bit time.

关键词： Parallel algorithms Hypercubes Load management information management Image processing Pattern recognition Terminology

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THE CALLING(SM) NETWORK - A GLOBAL WIRELESS COMMUNICATION-SYSTEM

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INTERNATIONAL JOURNAL OF SATELLITE COMMUNICATIONS 1994年第1期12卷 45-61页

作者： TUCK, EF PATTERSON, DP STUART, JR LAWRENCE, MH Calling Communications Corporation. 1900 West Garvey Ave South. Suite 200 West Covina CA 91790 USA. Chairman of Calling Communications Corporation. He is also the Managing Director of Kinship Venture Management Inc. the general partner of Kinship Partners 11 and a General Partner of Boundary the general partner of The Boundary Fund. As a venture capitalist he has founded or participated in founding several telecommunications companies including Calling Communications Corporation Magellan Systems Corporation manufactures of Global Positioning System receivers Applied Digital Access manufacturer of DS-3 test access and network performance monitoring equipment Endgate Technology Corporation specialists in satellite phased array antennas and Poynting Systems Corporation. now a division of Reliance Corporation manufacturers of fibre optic transport equipment. He was a founder of Kebby Microwave Corporation where he invented the first solid-state. frequency-modulated commercial microwave link system. The company was acquired by ITT Corporation where he rose to the position of V.P. and Technical Director of ITT North America Telecommunications Inc. Subsequently he was V.P. of Marketing and Engineering at American Telecommunications Inc. (ATC). He was founding Director of American Telecom Inc. a joint venture between ATC and Fujitsu and has served on more than 20 boards of directors including those of three public companies. He has authored articles on microwave engineering and telephone signalling and was a contributor to Reference Data For Radio Engineers. He is a graduate of the University of Missouri at Rolla where he was later awarded an honorary Professional degree and serves on its Academy of Electrical Engineering. Mr Tuck is a Senior Member of the IEEE a Fellow of the Institution of Engineers (Australia) a Professional Member of the AIAA and a registered professional engineer in three states. More than 25 years of experience in the telecommunications industry where he has been responsibl

There is a very large demand for basic telephone service in developing nations, and remote parts of industrialized nations, which cannot be met by conventional wireline and cellular systems. This is the world's largest unserved market. We describe a system which uses recent advances in active phased arrays, fast-packet switching technology, adaptive routeing, and light spacecraft technology, in part based on the work of the Jet Propulsion Laboratory and on recently-declassified work done on the Strategic Defense Initiative, to make it possible to address this market with a global telephone network based on a large low-Earth-orbit constellation of identical satellites. A telephone utility can use such a network to provide the same modern basic and enhanced telephone services offered by telephone utilities in the urban centres of fully-industrialized nations. Economies of scale permit capital and operating costs per subscriber low enough to provide a service to all subscribers, regardless of location, at prices comparable to the same services in urban areas of industrialized nations, while generating operating profits great enough to attract the capital needed for its construction. The bandwidth needed to support the capacity needed to gain these economies of scale requires that the system use K(alpha)-band frequencies. This choice of frequencies places unusual constraints on the network design, and in particular forces the use of a large number of satellites. Global demand for basic and enhanced telephone service is great enough to support at least three networks of the size described herein. The volume of advanced components, and services such as launch services, required to construct and replace these networks is sufficient to propel certain industries to market leadership positions in the early 21st Century.

关键词： LOW EARTH ORBIT SATELLITE COMMUNICATIONS FAST PACKET SWITCHING EARTH FIXED CELLS ADAPTIVE ROUTEING LIGHT SPACECRAFT K(A) BAND PHASED-ARRAY ANTENNAS

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