Descriptor
| Computer Programs | 5 |
| Information Storage | 5 |
| Databases | 3 |
| Information Retrieval | 3 |
| Algorithms | 1 |
| Automatic Indexing | 1 |
| Automation | 1 |
| Classification | 1 |
| Computers | 1 |
| Data Processing | 1 |
| Editing | 1 |
| More ▼ | |
Source
| Information Storage and… | 5 |
Author
| Coaker, Frank W. | 1 |
| Grimson, J. B. | 1 |
| Heaps, H. S. | 1 |
| Prywes, Noah S. | 1 |
| Schuegraf, E. J. | 1 |
| Stacey, G. M. | 1 |
| Thiel, L. H. | 1 |
Publication Type
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Grimson, J. B.; Stacey, G. M. – Information Storage and Retrieval, 1974
Two different directory structuring techniques--division hash technique and a hydrid technique--are compared for the same set of keys with directories of from 10,000 to 100,000 unique keys. Retrieval costs, in terms of the number of accesses of secondary storage required to retrieve the keys, are considered in detail. (Author)
Descriptors: Computer Programs, Databases, Information Storage
Coaker, Frank W. – Information Storage and Retrieval, 1974
Traditional and table-driven methods of editing input data for a data-storage system are compared. An application of table-driven input editing is described for a high-volume, multiple-format, clinical data-base. (Author)
Descriptors: Computer Programs, Databases, Editing, Information Storage
Schuegraf, E. J. – Information Storage and Retrieval, 1973
The design of programs to search large document data bases is discussed with regard to the use of compression coding combined with adoption of word fragments as the basic language elements. An algorithm is described for determination of a set of almost equifrequent fragments. Its efficiency is tested. (23 references) (Author)
Descriptors: Algorithms, Computer Programs, Information Retrieval, Information Storage
Thiel, L. H.; Heaps, H. S. – Information Storage and Retrieval, 1972
Retrospective search of large data bases requires development of special techniques for automatic compression of data and minimization of the number of input-output operations to the computer files. The computer program should require a relatively small amount of internal memory. This paper describes the structure of such a program. (9 references)…
Descriptors: Computer Programs, Computers, Information Retrieval, Information Storage
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
