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computer-SUPPORTED INTENTIONAL LEARNING ENVIRONMENTS

JOURNAL OF EDUCATIONAL COMPUTING RESEARCH 1989年第1期5卷 51-68页

作者： SCARDAMALIA, M BEREITER, C MCLEAN, RS SWALLOW, J WOODRUFF, E ONTARIO INST STUDIES EDUC CTR APPL COGNIT SC 252 BLOOR ST W TORONTO M5S 1V6 ONTARIO CANADA

Describes the design of the computer-Supported Intentional Learning Environment (CSILE), a database that allows the storage and retrieval of information in several media, e.g., text and drawings. Research on cognitive abilities and learning strategies is reviewed, learner control is discussed, and the implementation of CSILE in grades five and six is described. (26 references) (LRW)

关键词： Cognitive Ability computer Assisted Instruction computer Graphics computer system design Cooperative Learning Databases Educational Environment Feedback Intentional Learning Intermediate Grades Learning Processes Learning Strategies Self Evaluation (Individuals) Transfer of TrainingLearner Control

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FROM ONLINE DOCUMENTATION TO INTUITIVE INTERFACES - TECHNICAL COMMUNICATORS JOIN THE design TEAM

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JOURNAL OF TECHNICAL WRITING AND COMMUNICATION 1989年第4期19卷 357-370页

作者： HASELKORN, MP UNIV WASHINGTON 14 LOEW HALLFH-40SEATTLEWA 98195 USA

Examines the rapidly growing role for technical communicators in the computer industry as members of the external design team. Describes the kinds of decisions they are responsible for with regard to all phases of product development--as user advocates, usability testers, screen designers, and online documentation specialists. (KEH)

关键词： Communication Research computer Software computer system design computers Information Technology Organizational Theories Technical Writing Word ProcessingProduct Development Technical Communication

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GIBIS - A TOOL FOR ALL REASONS

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JOURNAL OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE 1989年第3期40卷 200-213页

作者： CONKLIN, J BEGEMAN, ML MCC SOFTWARE TECHNOL PROGRAM AUSTINTX 78720 USA

Describes an application-specific hypertext system designed to facilitate and capture policy and design discussions. The discussion includes an introduction to the Issue Based Information systems (IBIS) method; a description of this graphical IBIS (gIBIS) tool; an example of a gIBIS interaction; and thoughts about future research. (13 references) (Author/CLB)

关键词： Color computer Graphics computer Software computer system design Cooperation Discussion Information Networks Local Area Networks Participative Decision Making Policy FormationRelational Approach (Information Retrieval) Browsing Hypertext

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OAKDEC, A PROGRAM FOR STUDYING THE EFFECTS ON USERS OF A PROCEDURAL EXPERT system FOR DATABASE SEARCHING

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INFORMATION PROCESSING & MANAGEMENT 1988年第4期24卷 449-457页

作者： MEADOW, CT UNIV TORONTO FAC LIB & INFORMAT SCITORONTO M5S 1A1ONTARIOCANADA

Describes OAKDEC, a program based on decision-making logic that uses expert system techniques to assess the status of a database search and to provide recommendations to the user on how to proceed. The discussion focu... 详细信息

关键词： computer system design Databases Decision Making Expert systems Online Searching Problem Solving Search StrategiesUser Preferences

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A READING system FOR THE BLIND BASED ON GEOMETRICAL SHAPES

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computerS & EDUCATION 1988年第2期12卷 311-320页

作者： HABIB, M KUWAIT UNIV COLL ENGN & PETRDEPT ELECT & COMP ENGN13060 SAFATKUWAIT

Describes a proposed computer system with voice synthesis for reading Arabic and English textual information for the visually impaired that is an alternative to Braille. The conversion of textual alphabet character information to geometrical shape symbols is explained, and peripheral equipment--including scanners and special keyboards--is described. (LRW)

关键词： Arabic Bilingual Instructional Materials Blindness Braille computer Peripherals computer system design English Geometric Constructions Letters (Alphabet) Reading Speech Synthesizerscomputer Keyboards

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A MICROcomputer TRAINING system FOR ELECTRIC WHEELCHAIR USERS

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computerS & EDUCATION 1988年第2期12卷 301-309页

作者： CROCKER, DME TURNER, JD UNIV SOUTHAMPTON DEPT MECH ENGNSOUTHAMPTON SO9 5NHHANTSENGLAND

Outlines the development of a computer-based means of assessment and training for motorized wheelchair users. Programs designed to run on a BBC microcomputer that allow the ability of a severely handicapped person to be tested are explained; a joystick-controlled wheelchair simulation is described, and its use with children highlighted. (Author/LRW)

关键词： Ability Identification Children computer Graphics computer Simulation computer system design Developed Nations Foreign Countries Microcomputers Physical Disabilities Physical Mobility Severe Disabilities Training Methods WheelchairsUnited KingdomUnited Kingdom

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A MICROcomputer-BASED INTERACTIVE PRESENTATION DEVELOPMENT system

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computerS & EDUCATION 1988年第2期12卷 327-337页

作者： MOREAU, DR DOMINICK, WD UNIV SW LOUISIANA CTR ADV COMP STUDIESLAFAYETTELA 70504 USA

Reviews research and development projects sponsored by the National Aeronautics and Space Administration (NASA) that address microcomputer-based support for instructional activities at the University of Southwestern Louisiana. Highlights include a graphics project, local area networks, and the Interactive Presentation Development system, which is designed for video presentations. (12 references) (Author/LRW)

关键词： Audiovisual Aids Audiovisual Instruction computer Graphics computer Software computer system design Flow Charts Futures (of Society) Instructional Development Instructional Materials Local Area Networks Man Machine systems Material Development Microcomputers Online systems Research and DevelopmentNational Aeronautics and Space Administration Video Technology

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SOME RELIABILITY ISSUES IN VERY LARGE DATABASES

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JOURNAL OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE 1988年第6期39卷 408-420页

作者： LYNCH, CA UNIV CALIF OAKLAND DIV LIB AUTOMATOFF PRESIDENT & UNIVERSITYWIDE SERV300 LAKESIDE DROAKLANDCA 94612 USA

Describes the unique reliability problems of very large databases that necessitate specialized techniques for hardware problem management. The discussion covers the use of controlled partial redundancy to improve reliability, issues in operating systems and database management systems design, and the impact of disk technology on very large database viability. (23 references) (CLB)

关键词： Algorithms computer system design Database Management systems Databases Equations (Mathematics) Error Patterns Information Retrieval Information Storage Mathematical Formulas Optical Data Disks Quality Control Reliability

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DECISION-MAKING IN ONLINE SEARCHING

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JOURNAL OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE 1988年第6期39卷 369-389页

作者： BLACKSHAW, L FISCHHOFF, B CARNEGIE MELLON UNIV PITTSBURGHPA 15213

Presents a set of methods and results for characterizing decision making while searching online databases. The discussion compares these results to studies of decision making in other contexts, and examines the role of user uncertainty and expectations, as well as implications of the findings for database design and user training. (37 references) (CLB)

关键词： computer system design Decision Making Expectation Man Machine systems Online Searching Pretests Posttests Research Methodology Search Strategies Tables (Data) Timed Tests User Satisfaction (Information)User Training Uncertainty

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APPLICATIONS CONSIDERATIONS IN THE system-design OF HIGHLY CONCURRENT MULTIPROCESSORS

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IEEE TRANSACTIONS ON computerS 1987年第11期36卷 1292-1309页

作者： LUNDSTROM, SF Parallel Technology Stanford CA 9430 Abstract Authors References Cited By Keywords Metrics Similar Download Citation Email Print Request Permissions

A five-year series of studies, which ended in 1982 and which was supported in part by NASA and in part by Burroughs Corporation, led to the system design of a very large, very high-speed multiprocessor. This system was intended to solve large scientific problems, especially modeling problems such as those in computational aerodynamics. The performance objective was to sustain execution rates up to one billion floating-point operations per second with problems requiring 40 million words of main memory. The viability of this design depended on an in-depth understanding of the projected applications of the system. An overview of the project objectives and the resulting 128 processor design will be presented showing the local private memories available to each processor, the 64 million word shared memory, the dual-omega interconnection network, and the important programming concepts. During the design of the system, studies were conducted which determined the number of processors (a tradeoff with individual processor speed), the memory organization (program and data, private and shared), and the structure of the networks used to interconnect the processor and memory resources. These studies and the important application-related considerations are presented. Although this system was never constructed and tested, it was extensively simulated and the design was completed to sufficient detail to develop a reasonably accurate parts list and implementation plan.

关键词： Application-oriented design MIMD computer architecture computer system design data memory system gigaflop execution rates instruction memory system multiprocessor omega network parallel processing shared memory systems

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