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TERMINATION-INDICATOR TECHNIQUE AS STRUCTURED programming TOOL

INFORMATION AND SOFTWARE TECHNOLOGY 1989年第10期31卷 529-534页

作者： ER, MC Department of Computer Science St. Patrick's College National University of Ireland Maynooth Co. Kildare Ireland

The termination-indicator technique is presented, which can be used to solve the class of multi-exit loop problems. A multi-exit loop problem is a programming problem that has several terminating conditions for a loop: either a loop will run through a full cycle or be terminated prematurely when some condition is met. The class of multi-exit loop problems has generated a great deal of controversy on the goto statement in the literature from time to time. The paper illustrates the generality and efficiency of the termination-indicator technique by applying it to the class of multi-exit loop problems and thus puts the goto controversy to rest.

关键词： algorithms design theory programming techniques sequential programming

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Minimum loss optimization in distribution systems: Discrete ascent optimal programming

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ELECTRIC POWER SYSTEMS RESEARCH 1996年第2期36卷 113-121页

作者： Broadwater, RP Dolloff, PA Herdman, TL Karamikhova, R Sargent, AF [a] Bradley Department of Electrical Engineering Virginia Polytechnic Institute and State University Blacksburg VA 24061 USA [b] Interdisciplinary Center for Applied Mathematics Virginia Polytechnic Institute and State University Blacksburg VA 24061 USA [c] Entergy Corporation Hot Springs AR 71901 USA

A new algorithm, discrete ascent optimal programming, for optimal power flow in distribution systems is presented. The new algorithm will converge to the same solution as the Lagrange multiplier approach, as demonstrated by example. An intuitive discussion illustrating the path of convergence is presented along with a theorem concerning convergence. The algorithm is explained with two DC examples which illustrate both unconstrained and constrained solutions. A switch placement design problem is also solved. Advantages of the new algorithm include its simplicity, ease of incorporating inequality constraints, and the ability to predict the number of steps required for convergence.

关键词： programming techniques optimal power flow loss minimization switch placement discrete ascent optimal programming

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programming IN VS-FORTRAN ON THE IBM-3090 FOR MAXIMUM VECTOR PERFORMANCE

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COMPUTER 1988年第6期21卷 65-76页

作者： LIU, B STROTHER, N IBM CORP CTR SCIPALO ALTOCA 94304

programming techniques necessary for high performance on the 3090 Vector Facilities are illustrated, showing that VS Fortran programs can achieve near-maximum execution rates. Relevant features of the 3090 architecture are reviewed, stressing the need to make efficient use of a hierarchical storage system and take advantage of the compound vector instructions. The key programming techniques for managing the storage hierarchy are loop sectioning, loop distribution, and data compaction. Vector register, cache reuse, and virtual memory, storage format, and page reuse are shown to lead to efficient use of the vector registers, the high speed cache, and the virtual memory system, respectively. The multiply-and-add compound instruction is discussed

关键词： 3090 architecture IBM 3090 IBM computers VS Fortran cache reuse data compaction hierarchical storage system high speed cache loop distribution loop sectioning maximum vector performance multiply-and-add compound instruction page reuse parallel architectures parallel machines parallel programming programming techniques storage allocation storage format storage hierarchy virtual memory

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INTUITIVE USER INTERFACES (IUI) - A CASE STARTING POINT FOR DESIGN AND programming

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COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE 1992年第2期37卷 69-74页

作者： BODI, RA KAULICH, TW UNIV TUBINGEN RADIOL KLINMED PHYS ABTW-7400 TUBINGEN 1GERMANY

The acceptance of a software product depends to a considerable extent on the user interface. The class of graphic-oriented user interfaces that are called Intuitive User Interfaces (IUI) is described. These interfaces allow the user to learn to operate software programs quickly. In the following the graphical layout put to use in an IUI is elaborated. All images the layout consists of are created with the aid of a paint program. Using these images, a procedure for creating, programming and linking an IUI to software applications is discussed and recommendations are made concerning software and hardware demands for easily creating IUIs. Practical experience of the authors with this procedure, mainly in the medical area, is described.

关键词： INTUITIVE USER INTERFACES programming techniques SOURCE CODE GENERATORS SOFTWARE DEVELOPING CASE

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Evaluating the usability of robot programming toolsets

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INTERNATIONAL JOURNAL OF ROBOTICS RESEARCH 1998年第4期17卷 381-401页

作者： MacKenzie, DC Arkin, RC Georgia Inst Technol Atlanta GA 30332 USA

The days of specifying missions for mobile robots using traditional programming languages such as C++ and LISP are coming to an end. The need to support operators lacking programming skills coupled with the increasing diversity of robot run-time operating systems is moving the field toward high-level robot programming toolsets that allow graphical mission specification. This paper explores the issues of evaluating such toolsets as to their usability We first examine how usability criteria are established and performance target values are chosen. The methods by which suitable experiments are created to gather data relevant to the usability criteria are then presented. Finally, methods to analyze the data gathered to establish values for the usability criteria are discussed. The MissionLab toolset is used as a concrete example throughout the article to ground the discussions, but the methods and techniques are generalizable to many such systems.

关键词： LISP Mobile robots programming techniques Robot programming

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On the perils of programming

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COMMUNICATIONS OF THE ACM 2000年第12期43卷 95-97页

作者： Malik, MA Quaid I Azam Univ Islamabad Pakistan

With the unbelievable rise in personal computing and wide acceptance of inexpensive, user-friendly operating systems and productivity tools, programming may have lost its place as a major activity in the modern world of computing. Gone are the days when learning a programming language would open up a well-paid and challenging career. Now careers in information technology (IT), are not necessarily built out of programming skills only. As a matter of fact, working knowledge of a programming language is not considered adequate and must be supplemented by familiarity with different working environments. Experts in noncomputing fields are becoming computer professionals of great potential, with expertise in productivity and profession-specific tools, because of their in-depth knowledge of the application area-\"knowledge that was never easy to share with a team of programmers and analysts during a system development exercise in the past,\" they admit with a sigh of relief.

关键词： knowledge Systems development programming Computer personnel productivity information technology psychoanalyst Computer programming Languages career personal computing relief programming techniques Familiarity

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The VuSystem: A programming system for compute-intensive multimedia

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IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS 1996年第7期14卷 1298-1313页

作者： Lindblad, CJ Tennenhouse, DL MIT COMP SCI LAB TELEMEDIA NETWORKS & SYST GRP CAMBRIDGE MA 02139 USA

In compute-intensive multimedia applications, the computer not only manipulates media, but also digests it and performs independent actions based on media content, We present a design approach that applies the programming techniques of visualization systems to the development of compute-intensive multimedia applications, We describe an implementation based on this approach, and report performance measurements that demonstrate it is practical, We conclude with a description of some applications that have been implemented and a discussion of the implications for the design and engineering of operating systems.

关键词： visualization system design approach Operating systems Engineering MULTIMEDIA APPLICATION programming techniques MULTI-MEDIA SYSTEM

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Guided programming and automated error analysis in an intelligent Prolog tutor

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INTERNATIONAL JOURNAL OF HUMAN-COMPUTER STUDIES 2004年第4期61卷 505-534页

作者： Hong, J Univ Ulster Sch Comp & Math Newtownabbey BT37 0QB Antrim North Ireland

We present a Prolog programming technique-based approach to guided programming and automated error analysis in Prolog tutoring. The concept of Prolog programming technique is used to characterize and classify programs. Each class of programs use the same programming technique and share the common pattern of code. A set of programming technique grammar rules are defined for each class of programs. These rules are used for programming technique recognition, program construction, and program parsing. A programming technique frame is used to represent the programming technique-related knowledge for each class of programs. A program frame is used to represent the coding-related knowledge for the reference program of each of the most specialized programming techniques. The representation of the programming technique grammar rules, programming technique-related knowledge, and coding-related knowledge provides the basis for guided programming and automated error analysis in tutoring. Our approach to error analysis however does not rely on the representation of buggy versions of the program. Automated error analysis in our approach is done on the basis of comparing the parsings of both the student program and the reference program. Our approach has been implemented in a Prolog tutoring system called the Prolog Tutor, which has been tested on a collection of 125 programs for list reversal. The Prolog Tutor performs well on these tests in terms of programming technique recognition, error detection, and error correction. (C) 2004 Elsevier Ltd. All rights reserved.

关键词： PROLOG programming Coaching programming techniques

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AI TOOLS FOR DP - programming UNDER UNCERTAINTY

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DATA PROCESSING 1985年第4期27卷 24-27页

作者： CATTON, D Artificial Intelligence Ltd Intelligence House 58-78 Merton Rd Watford Herts WD1 7BY UK

Conventional methods for solving computing problems may not work for today's tasks. The methods employed in AI programming are more flexible, as they are designed for programming under uncertainty. For example, programming in AI languages means that programmers can defer commitment to a design decision until run time if necessary. The concept of embedded languages will also have attractions for programmers outside the realms of AI. Also available in AI development systems are highly sophisticated graphics interfaces. These and other tools can be used by programmers to great effect in many areas of computing.

关键词： data processing artificial intelligence programming techniques

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Teaching programming broadly and deeply: The Kernel language approach

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Conference on Informatics Curricula, Teaching Methods and Best Practice

作者： Van Roy, P Haridi, S Univ Catholique Louvain Dept Comp Sci & Engn INGI B-1348 Louvain Belgium

ISBN: (纸本)140207266X

We present the kernel language approach;a new way to teach programming that situates most of the widely known programming paradigms (including imperative, object-oriented, concurrent, logic, and functional) into a uniform setting that shows their deep relationships and how to use them together. Widely different practical languages (exemplified by Java, Haskell, Prolog, and Erlang) with their rich panoplies of abstractions and syntax are explained by straightforward translations into closely related kernel languages, simple languages that consist of small numbers of programmer-significant concepts. Kernel languages are easy to understand and have a simple formal semantics that can be used by practicing programmers to reason about correctness and complexity.

关键词： computer programming education curriculum science engineering programming concepts programming paradigms kernel language dataflow concurrency functional programming object-oriented programming logic programming imperative programming programming techniques

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