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| Comparative Analysis | 1 |
| Computer Programs | 1 |
| Computer Storage Devices | 1 |
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| Martin, Thomas H. | 1 |
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Download full textMartin, Thomas H. – 1974
The command language features of 11 on-line information retrieval systems are presented in terms of the functional needs of a searcher sitting at a terminal. Functional areas considered are: becoming familiar with the system, receiving help when in trouble, regulating usage, selecting a data base, formulating simple queries, expressing single…
Descriptors: Comparative Analysis, Computer Programs, Computer Storage Devices, Design
