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| Computer Programs | 1 |
| Data Processing | 1 |
| Flow Charts | 1 |
| Information Retrieval | 1 |
| Information Systems | 1 |
| Online Systems | 1 |
| Systems Development | 1 |
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| Information Processing and… | 1 |
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| Journal Articles | 1 |
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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
