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Peer reviewedStemple, D. W.; And Others – Information Processing and Management, 1986
Presents a database system development model in which theoretical support in the form of automated theorem proving is brought to bear on the problem of enforcing integrity, i.e., ensuring that the database system represents only those states and transitions that are possible in the world it models. (MBR)
Descriptors: Databases, Flow Charts, Models, Programing
Magel, Mark – Optical Information Systems, 1986
Presents a historical perspective of videodisc technology and technical examination of Optical Disc Corporation's (ODC) LaserVision system, an audio/video communication system which stores composite signals on videodisc. Also discussed are premastering, mastering, and replication steps in videodisc production; videodisc player design and…
Descriptors: Design, Flow Charts, History, Information Storage
Peer reviewedRybinski, Henryk; Szymanski, Boleslaw – Information Processing and Management, 1981
Discusses the multilevel information system (MLIS), a retrieval system that integrates functions typical for database management systems and retrieval-oriented systems and provides several levels of data accessing, each developed for a different class of users. Twenty-two sources are cited. (FM)
Descriptors: Computer Programs, Data Processing, Flow Charts, Information Retrieval
Download full textFong, Elizabeth N.; And Others – 1985
This report discusses an iterative methodology for logical database design (LDD). The methodology includes four phases: local information-flow modeling, global information-flow modeling, conceptual schema design, and external schema modeling. These phases are intended to make maximum use of available information and user expertise, including the…
Descriptors: Data Collection, Database Management Systems, Databases, Dictionaries
Romiszowski, Alexander J. – Programmed Learning and Educational Technology, 1981
Provides a summary of a series of research and development projects which investigated the reasons for failure in educational technology-based systems of instruction. Develops a new approach to the design of such systems and their subsequent implementation and control. A 17-item bibliography is included. (Author/CHC)
Descriptors: Educational Technology, Flow Charts, Instructional Development, Matrices
Czuchry, Andrew J.; And Others – 1979
The training requirements analysis model (TRAMOD) described in this report represents an important portion of the larger effort called the Digital Avionics Information System (DAIS) Life Cycle Cost (LCC) Study. TRAMOD is the second of three models that comprise an LCC impact modeling system for use in the early stages of system development. As…
Descriptors: Algorithms, Aviation Technology, Databases, Flow Charts
Schroeder, Roger G. – 1974
How can the structure of a management system be reviewed? What specific data should be collected and what procedures should be followed? The specific data collection methodology consists of three steps: (1) description of process outputs, procedures, and inputs; (2) evaluation of effectiveness, needs, and priorities for change in the process; and…
Descriptors: Colleges, Data Collection, Decision Making, Flow Charts
