NotesFAQContact Us
Collection
Advanced
Search Tips
Descriptor
Computer Storage Devices2
Data Processing2
Databases2
Information Retrieval2
Information Storage2
Search Strategies2
Algorithms1
Chemistry1
Computers1
Documentation1
Information Processing1
Information Services1
Information Systems1
Sciences1
Technological Advancement1
More ▼
Source
Author
McCracken, I. C.1
Stellhorn, William Howard1
Publication Type
Reports - Research2
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Showing all 2 results Save | Export
INFIRS, Inverted File Information Retrieval System.
McCracken, I. C.; And Others – 1973
The Inverted File Information Retrieval System (INFIRS), is a document search system which offers a comprehensive range of search facilities. It has been developed at the United Kingdom Chemical Information Service (UKCIS) as a general purpose retrieval tool, suitable for handling a wide variety of data-bases (both free-text and controlled…
Descriptors: Chemistry, Computer Storage Devices, Data Processing, Databases
A Specialized Computer for Information Retrieval. Report No. 74-637.
PDF on ERIC Download full text
Stellhorn, William Howard – 1974
Response time in large, inverted file document retrieval systems is determined by time required to access files of document identifiers on disk and process a Boolean search request. A specialized computer system has been devised that can perform a complicated sample search involving 70 terms and over 60,000 document references 12 to 60 times…
Descriptors: Algorithms, Computer Storage Devices, Computers, Data Processing