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| Information Storage and… | 25 |
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Rettenmayer, John W. – Information Storage and Retrieval, 1972
This study proposes and investigates file ordering and retrieval techniques which, it is hypothesized, will: (a) reduce the average cost of retrieving records which satisfy a query, and (b) increase the rate of retrieval in the initial portion of the response period. (8 references) (Author)
Descriptors: Cluster Grouping, Cost Effectiveness, Databases, Information Retrieval
Hansen, Inge Berg – Information Storage and Retrieval, 1973
A retrospective test search on one year of CA Condensates was carried out in order to calculate the costs per profile and to get an impression of how CA Condensates would suffice as a database for retrospective use. (11 references) (Author)
Descriptors: Cost Effectiveness, Information Retrieval, Information Storage, Information Systems
Kelly, J. R.; Popper, P. – Information Storage and Retrieval, 1971
Described is International Nickel's Technical Information System which involves cooperation between the London and New York offices. The problems of coordination, selection, vocabulary control, computer compatibility, communication and security are discussed. (4 references) (SJ)
Descriptors: Agency Cooperation, Automatic Indexing, Cooperative Programs, Costs
And Others; Prywes, Noah S. – Information Storage and Retrieval, 1974
Reports on a series of programs that have been developed to process data bases, consisting of textual items, and to index and arrange (classify) the data items in accordance with an automatically generated classification system. (Author)
Descriptors: Automatic Indexing, Automation, Classification, Computer Programs
Sparck Jones, Karen – Information Storage and Retrieval, 1973
Retrieval performance with automatic term classifications for three test collections has been variable. This paper attempts to discover why. The real difference between the collections is in the separation of relevant from non-relevant documents. The separation is so poor that classification cannot be expected to succeed. (14 references)…
Descriptors: Automatic Indexing, Classification, Cluster Analysis, Databases
De Heer, T. – Information Storage and Retrieval, 1974
Use of syntactic trace as an access strategy for large files containing arbitrary languages for which thesaurus-based and multiple attribute search techniques are unsuitable. (LS)
Descriptors: Indexing, Information Retrieval, Information Storage, Mathematical Models
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
Li, Yu-Ku – Information Storage and Retrieval, 1973
The search for an optimal decision strategy can be treated as a mathematical programming problem with linear objective function to be maximized over the convex set of certain functional space, provided one is willing to accept some ergodicity assumptions of the Markovian environment. (10 references) (Author)
Descriptors: Decision Making, Evaluation, Evaluation Methods, Information Retrieval
Libbey, Miles A. – Information Storage and Retrieval, 1973
A data base designed for scientists, engineers, and others in need of factual information developed under the Long Range Research Project at Indiana University is described. (3 references) (SJ)
Descriptors: Databases, Information Retrieval, Information Services, Information Sources
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