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Web servers and the rise of the corporate 'Intranet'

International Journal of Network Management 1995年第6期5卷 322-325页

作者： Cline, Gregory P. Gregory Cline is program director of the Business Research Group's Network Integration and Management Service. He provides strategic planning information and analysis to suppliers of networking products and services. Mr Cline holds a Master of Science degree in Computer and Information Systems from Dartmouth College.

Deployment of web servers inside the corporation is part of an important trend known as the corporate Intranet. This paper which is based on a survey of 170 decision makers at medium-sized and large companies explores the definition of the Intranet, corporations who are using it, vendors who are enabling it, its potential, and where it fits into the world wide web evolution.

关键词： computer networks

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Gun Control as Security Dilemma

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Policy Studies Journal 1995年第3期23卷

作者： Mike Matthes Mike Matthes is a graduate student in the Department of Political Science at Iowa State University in the Master of Public Administration program.

Robert J. Spitzer, The Politics of Gun Control.

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Preparing couples for home birth - Practical suggestions

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JOURNAL OF NURSE-MIDWIFERY 1995年第6期40卷 522-528页

作者： Dancy, RB Fullerton, JT Rahima Baldwin Dancy is a certified professional midwife (CPM) who began a home birth practice in 1977. She has been instrumental in the preparation of tens of thousands of couples for homebirth through the founding of informed Homebirth in 1977 and the national childbirth educator training and certification program that she developed the same year. Her first book Special Deliveryis still one of the main resources of the home birth movement. Ms. Dancy is co-director of The Birth Center in Dearborn Michigan. Judith T. Fullerton received a BSN from Wayne State University a master of science and certificate in nurse-midwifery from Columbia University and a PhD in health education from Temple University. She has practiced as a nurse-midwife for 25 years in both inpatient and out-of-hospital settings. Dr. Fullerton a fellow of the American College of Nurse-Midwives is associate dean for the graduate program and professor University of Texas Health Science Center San Antonio School of Nursing and nurse-midwife consultant to The San Diego Birth Center Study.

Parents planning a home birth need specific information beyond that which typically is covered in childbirth preparation classes geared for hospital couples. Topics that specifically need to be included in preparation for home birth include the meaning of shared responsibility for the birth at home, informed disclosure of personal and professional data, motivating factors and barriers to a successful birth, coping strategies, preparation of the home environment, contingency plans for referral or emergency transport, and preparation for self-care following the birth.

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INTELLIGENT MACHINERY CONTROL INTEGRATION

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NAVAL ENGINEERS JOURNAL 1995年第5期107卷 51-57页

作者： FAIRHEAD, DL HALL, CC Since graduating from Cleveland State University in 1965 with a Bachelor of Science degree in Mathematics he has worked for the Navy at Annapolis participating in several different automation efforts ranging from design aids to surface ship bridge control. Mr. Fairhead has completed graduate work in Computer Science at the University of Maryland has a certificate in Computer Programming holds a patent and is a member of the Association for Computing Machinery (ACM). Upon graduation from Morgan State in 1962 Mr. Hall was employed as a physicist at the Naval Surface Warfare Center Carderock Division Annapolis until 1994. During that time period he served as program technical manager for propulsion technology and as senior project scientist for several automation projects including the Automated Ships Bridge project. Mr. Hall also served as a member of the initial Technical Director's Technology Application Team and of the Autonomic Ship Innovation Center Team. Mr. Hall is a member of the American Institute of Physics and Sigma Pi Sigma (National Physics Honor Society).

A growing concern about the shrinking size of the U.S. Navy budget and the pool from which selections will be made to ''man'' U. S. Navy shipboard systems has led to investigations on achieving improvements in affordability and operational effectiveness. One such investigation has resulted in the development of the Standard Monitoring and Control System (SMCS), a modular, open architecture control system which includes the control system components for propulsion, electric plant, auxiliaries, and damage control. The first major technology upgrade to SMCS will entail the insertion of Artificial Intelligence (AI) technologies into HM&E monitoring and control applications. The Intelligent Machinery Control Integration Task (IMCI) was established to provide a structural approach for this major technology upgrade. As part of the first phase of IMCI, an identification of intelligent control requirements, an assessment of AI technologies, and a survey of intelligent control applications were performed. This paper lists those HM&E-related shipboard operational requirements from which intelligent machinery control requirements will be identified. Also, there is an initial assessment of AI-related reasoning and the following AI technologies, knowledge-based systems, fuzzy logic, neural nets, and genetic algorithms. The survey provided some insight into applying AI technologies to SMCS shipboard operational requirements.

关键词： Ships

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ADVANCED AVIONICS ARCHITECTURE - THE NAVAIR STUDY

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NAVAL ENGINEERS JOURNAL 1994年第6期106卷 31-40页

作者： KATZ, RS JAHNKE, L JEWETT, CE Cdr. Larry Jahnke USN:is presently Head of the Architecture Branch of the Avionics Engineering division AIR-546 of the Naval Air Systems Command. Among his current responsibilities is to lead implementation activities of the NAVAIR Advanced Avionics Architecture study described in this paper. Cdr. Jahnke graduated from the University of Minnesota with a B.S. degree in aeronautical engineering and was commissioned in 1974. After flight training as a Naval flight officer he was assigned to Naval Air Station Barbers Point Hawaii where he served as Tactical Coordinator for P-3B aircraft. He was assigned to the Communications Directorate of the Joint Staff in 1990 where he participated in support of Desert Shield/Desert Storm and was part of the original cadre of officers responsible for the “C41 for the Warrior” concept. Cdr. Jahnke also has a Master of Science degree from the University of Southern California and is a 1990 graduate of the Industrial College of the Armed Forces. Cdr. Charles E. Jewett USN:is currently the Common Avionics Requirements Officer for Naval Aircraft Programs. He has served the Navy as an Aeronautical Engineering Duty Officer since 1982 with previous defense acquisition assignments as the Avionics Architecture and Engineering Branch Head Fighter/Attack Avionics systems Engineering Branch Head and A-12 Avionics Officer and A-6F Deputy Program Manager and the A-6 Avionics Officer. Cdr. Jewett entered the Navy as an Aviation Officer Candidate in 1971 receiving his commission and earning his wings as a Naval Flight Officer the same year. After graduating from the U.S. Naval Test Pilot School in 1976 he was assigned to the Strike Aircraft Test Directorate of the Naval Air Test Center where he participated in various electronic warfare electro-optics and software update evaluations for A-6 EA-6B and OV-10 aircraft. In Cdr. Jewett's previous assignment at NAVAIRSYSCOM he led a major Avionics Architecture Study (the subject of this paper) that surveyed cutting-edge avionics technol

To establish a planning basis for future avionics systems, the Naval Air Systems Command (NAVAIR) conducted an avionics architecture investigation during 1992-1993, culminating in a final report published in August 1993. In the course of the study, U.S. Industry provided significant information to a NAVAIR avionics database for both technologies and systems integration methods. From the study emerged an implementation strategy to allow NAVAIR to develop effective avionics systems in the future that use commercial products and standards where applicable but also allow the ready use of new and emerging technologies. Recommended strategies concentrate on the development process, especially the use of sound systems engineering techniques and the maximum practical use of commercial standards and products. This paper reviews the methodology employed during the NAVAIR investigation, and presents the key findings and resulting implementation strategies. The paper concludes with a brief summary of current implementation plans at NAVAIR.

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Synthetic Ethology and the Evolution of Cooperative Communication

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Adaptive Behavior 1993年第2期2卷 161-188页

作者： Maclennan, Bruce J. Burghardt, Gordon M. Computer Science Department University of Tennessee Knoxville TN 37996 United States Psychology Department and Graduate Program in Ethology University of Tennessee Knoxville TN 37996 United States

Synthetic ethology is proposed as a means of conducting controlled experiments investigating the mechanisms and evolution of communication. After a discussion of the goals and methods of synthetic ethology, two series of experiments are described based on at least 5000 breeding cycles. The first demonstrates the evolution of cooperative communication in a population of simple machines. The average fitness of the population and the organization of its use of signals are compared under three conditions: communication suppressed, communication permitted, and communication permitted in the presence of learning. Where communication is permitted, the fitness increases approximately 26 times faster than when communication is suppressed;with communication and learning, the rate of fitness increase is nearly 100-fold The second series of experiments illustrates the evolution of a syntactically simple language, in which a pair of signals is required for effective communication. © 1993, Sage Publications. All rights reserved.

关键词： artificial life communication cooperation entropy ethology evolution genetic algorithm intentionality language learning synthetic ethology

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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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VIRTUAL PROTOTYPING USING KNOWLEDGE - BASED MODELING AND SIMULATION TECHNIQUES

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NAVAL ENGINEERS JOURNAL 1993年第3期105卷 201-212页

作者： SHEA, JG The Author:holds bachelor and master of engineering degrees in mechanical engineering a M.Eng. in engineering management and is currently fulfilling requirements for the M.S. and Ph.D. degrees in computer science at the University of Louisville. He is employed as program manager Phalanx Advanced Engineering Development at the Naval Ordnance Station Crane Div. NavSurfWarCen Louisville Ky. During his tenure with Phalanx Mr. Shea has contributed to system reliability improvement system performance upgrading and the development of the Phalanx HOL (RISC) Computer. Mr. Shea is a member of ASNE the Institute of Electrical and Electronics Engineers American Institute of Aeronautics and Astronautics Society for Computer Simulation International Test & Evaluation Association and the Military Operations Research Society.

Knowledge-based modeling and simulation bridges the gap between ''conventional'' artificial intelligence implementations (such as expert systems) and more traditional computer-aided design techniques. We are currently developing software, whose primary function is to capture a user-input design specification and produce a ''virtual'' rapid prototvpe in the form of executable rule-based code. This code can then be exercised either as an interactive part of a hardware-in-the-loop testbed simulator or as a component of an object-oriented ''behavioral'' simulation environment. While the Phalanx Testbed is the immediate beneficiary of this work, the techniques described have a wide range of application in the modeling of conceptual design and performance characteristics. This paper describes the system architecture and software tools that we are applying to generate virtual rapid prototypes for use in the Phalanx Testbed. Particular attention is paid to defining the intelligent knowledge-capture mechanisms and model generation methodologies that we are using to translate design knowledge and performance requirements into rule-based simulations. The object-oriented programming approach to the merging of ''new'' data with previouslv-captured and stored data is discussed, and the issues of verifying and validating prototypes generated using such partiallv ''reengineered'' models are examined. An application currently in use as an investigative prototype for testbed development, a simple position controller servomechanism used to control the azimuth angle of a target-tracking sensor, is used to illustrate the process.

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Book reviews

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Minds and Machines 1993年第3期3卷 335-375页

作者： Erwin M. Segal Meredith Williams David J. Cole James Geller Yorick Wilks Shoshana Loeb Kim Sterelny Jerry Fodor Sara Heinämaa Ausonio Marras Department of Psychology and Center for Cognitive Science State University of New York at Buffalo Buffalo USA Department of Philosophy Northwestern University Evanston USA Department of Philosophy University of Minnesota Duluth USA Department of Computer and Information Science New Jersey Institute of Technology Newark USA Computing Research Laboratory New Mexico State University Las Cruces USA Bell Communications Research Morristown USA Department of Philosophy Victoria University of Wellington Wellington New Zealand Department of Philosophy Rutgers University New Brunswick USA Philosophy Program CUNY Graduate Center New York USA Department of Philosophy University of Helsinki Helsinki Finland Department of Philosophy University of Western Ontario London Canada

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BEST VALUE CONTRACTING

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NAVAL ENGINEERS JOURNAL 1993年第6期105卷 59-68页

作者： ZACKS, MR DEMAS, TA Michael R. Zacks:attended Massachusetts Maritime Academy and received his bachelor of science in marine engineering degree in 1985. He is currently enrolled at the University of Maryland where he is working on a master's degree in general administration/financial management. Mr. Zacks is the assistant project manager for the Coastal Living Marine Resource Vessels in the National Oceanic Atmospheric Administration's (NOAA) Fleet Modernization and Replacement Program Office. His current responsibilities encompass providing technical and management support for the procurement construction testing and delivery of these ships. His previous jobs included working for the Naval Sea Systems Command's (NavSea) Combat Support Ocean Research and Surveillance Program Office (PMS 383) Ship Design and Engineering Directorate's Surface Launched Weapons Branch (56W3) and Research Analysis and Management (RAM) Corporation. Thomas A. Demas:received a bachelor of science degree in civil engineering from Old Dominion University and a master's degree in business administration from Averett College. He is a recent graduate from the NavSea Commander's Development Program (CDP). Mr. Demas is the assistant project manager for the AGOR-23 24 25 and National Oceanic and Atmospheric Administration's oceanographic research ships in NavSea's Combat Support Ocean Research and Surveillance Program Office. While participating in the CDP Mr. Demas worked in the following offices: OpNav OP321 as a FMP action officer CincPacFlt N43 as a maintenance officer ASN(RD&A) as director of maintenance and modernization and NavSea 56W14 as a branch head of closures and outfitting branch. Prior to the CDP he held a position with the Gas Turbine Surface Combatant Program Office as the West Coast project manager for DD-963 class destroyers. Before working for NavSea Mr. Demas was employed as a junior engineer with TRACOR and C-CUBED Corporation. His responsibilities included providing general systems engineering support to NavSea and the Nava

The best value concept is based on making decisions on an offeror's technical competence, proven past performance, management capability, life-cycle costs, and product quality. The evaluation of these factors should be structured to ensure consideration is given to determine the overall benefit associated with the offered price. This paper advocates using the best value concept as the method for developing and rating proposal evaluation factors for the procurement of new ships. It discusses methods for establishing evaluation factors, developing standards to evaluate, associated documentation, and weighting and scoring the factors. The information for this paper was obtained from personal interviews, hands-on experience developing and evaluating best value proposals, and documentation research. If properly executed, the best value concept will enable the Navy to improve ships while reducing operating costs.

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