Machine aided indexing from natural language text
By: prepared for NASA Scientific and Technical Information Program.
Contributors: Genuardi, Michael T.; Klingbiel, Paul H.; NASA. Scientific and Technical Information Program
Publisher: NASA, Scientific and Technical Information Program
Published: 1993
Place of publication: Washington, D. C
Number of pages: 83
Subjects: Information retrieval; Machine aided indexing
Notes: Includes bibliographical references: p. 83.