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| Information Retrieval | 14 |
| Online Systems | 14 |
| Information Systems | 8 |
| Computers | 4 |
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| Cost Effectiveness | 3 |
| Evaluation | 3 |
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| Information Storage and… | 14 |
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| Chai, D. T. | 1 |
| Dominick, Wayne D. | 1 |
| Hall, J. L. | 1 |
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Lancaster, F. W.; And Others – Information Storage and Retrieval, 1972
An evaluation of the Epilepsy Abstracts Retrieval System (EARS) was performed. Searches were conducted on the on-line system and evaluated in terms of recall, precision, and general user satisfaction. A detailed analysis of factors affecting the success and failure of the on-line searches was carried out. (4 references) (Author/SJ)
Descriptors: Evaluation, Information Retrieval, Information Systems, Online Systems
Humphrey, Susanne M. – Information Storage and Retrieval, 1975
Compares the ELHILL 2 and STAIRS programs with respect to on-line searching of the MEDLARS citation file by means of a chart showing the capabilities of the two programs. (Author/PF)
Descriptors: Computer Programs, Information Retrieval, Online Systems
Chai, D. T. – Information Storage and Retrieval, 1973
The problems of using English for information retrival are delineated. The querying capability of a keyword dialog system is illustrated with actual computer output. Major advantages of this approach are: reduced ambiguity in requests, users may think in smaller functional units, and users may edit previous requests. (7 references) (Author/SJ)
Descriptors: Databases, English, Information Retrieval, Information Systems
Brenner, E. H. – Information Storage and Retrieval, 1971
Interaction and interactive systems involve the computer and complexities when an abstracting and indexing service relates to its users. Kinds of interactions are: between government and industrial services; between discipline - and project - oriented services; on a national versus international level; and between the user and the computer. (4…
Descriptors: Information Retrieval, Information Science, Information Systems, Online Systems
Katzer, Jeffrey – Information Storage and Retrieval, 1973
The cost-performance evaluation of an on line free-text bibliographic retrieval system, SUPARS, is reported. Two measures of cost were used in the evaluation: a computer processing charge expressed in dollars, and the number of documents retrieved. The measure of performance was an estimate of the recall ratio. (11 references) (Author/SJ)
Descriptors: Citations (References), Cost Effectiveness, Evaluation, Information Retrieval
Negus, A. E.; Hall, J. L. – Information Storage and Retrieval, 1971
Descriptors: Computers, Cost Effectiveness, Costs, Information Retrieval
Carville, M.; And Others – Information Storage and Retrieval, 1971
On-line reference retrieval is seen as replacing tape driven systems within a few years. Design criteria are discussed including minimizing the number of disc accesses, use of hash coding for searching a thesaurus and searching with precise terms first and common terms last. (6 references) (Author/SJ)
Descriptors: Information Retrieval, Information Systems, Online Systems, Program Design
Mittman, Benjamin; Dominick, Wayne D. – Information Storage and Retrieval, 1973
A little understood aspect of implementing on-line software is the problem of effective monitoring. Northwestern University has developed techniques to monitor an on-line information retrieval system, by using that system both to monitor itself and to process the data collected. The Remote Information Query System is a batch and on-line…
Descriptors: Computer Programs, Evaluation, Information Retrieval, Information Systems
And Others; Borman, Lorraine – Information Storage and Retrieval, 1973
The social sciences require multiple methods of analysis of information from complex data bases. Data bases have been constructed which contain hierarchical, spatial, and temporal associations among information elements. To provide effective processing capability an integrated approach was taken to facilitate storage and retrieval, statistical…
Descriptors: Computer Graphics, Databases, Information Retrieval, Online Systems
Barber, A. Stephanie; And Others – Information Storage and Retrieval, 1973
The use of an on-line information retrieval system by the scientists themselves is described. MEDUSA was designed to allow physicians to interrogate the MEDLARS data base. A Brief description is given of the system and details of an experiment to test its effectiveness. (8 references) (Author)
Descriptors: Information Retrieval, Information Scientists, Information Utilization, Medical Research
Overhage, Carl F.; Reintjes, J. Francis – Information Storage and Retrieval, 1974
A review of M.I.T.'s INformation TRansfer EXperiments (Project Intrex). The Intrex system includes an augmented catalog stored inan online interactive computer in combination with full-text storage on microfiche. There are discussions of details of the catalog structure, user experiments, economic studies, and information-system networking.…
Descriptors: Computers, Costs, Information Retrieval, Information Systems
Hillman, Donald J. – Information Storage and Retrieval, 1973
The development of special-purpose information products for clients of the LEADERMART information retrieval system is described. (9 references) (RS)
Descriptors: Cost Effectiveness, Databases, Information Needs, Information Retrieval
Price, N. H.; And Others – Information Storage and Retrieval, 1974
Descriptors: Computers, Indexes, Information Processing, Information Retrieval
Irvine, J. J. – Information Storage and Retrieval, 1973
This paper describes a technical document center providing remote-terminal retrospective search capability and shows its evolution from the traditional catalog card operation. (2 references) (Author)
Descriptors: Computers, Databases, Information Retrieval, Information Storage
