Enhancing the retrieval effectiveness of large information systems
Subtitle: final report for the period 1 June 1975 - 31 December 1976
By: prepared by David S. Becker and Sharon R. Pyrce.
Contributors: Pyrce, Sharon R.; National Science Foundation (U.S.)
Series: PB 266 008
Publisher: IIT Research Institute
Published: 1977
Place of publication: Chicago, IL
Language: eng
Number of pages: 157
Subjects: Information retrieval.
Notes: "Prepared for: National Science Foundation".

"NSF Grant no. SIS 75-16262"

Includes bibliography.

Microfiche. Springfield, VA : National Technical Information Service. -- 2 sheets.