Concepts and implementations of natural language query systems
By: I-Hsiung Liu.
Contributors: United States. National Aeronautics and Space Administration.
Series: NASA-CR -- 184514.; USL/DBMS NASA/RECON working paper series report -- no. DBMS.NASA/RECON-6.; NASA contractor report -- NASA CR-184514.
Publisher: Computer Science Dept., University of Southwestern Louisiana; For sale by the National Technical Information Service
Published: 1989
Place of publication: Lafayette, La; [Springfield, Va
Language: eng
Format: Microform
Subjects: Natural language processing (Computer science); Information storage and retrieval systems.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington, D.C.? : National Aeronautics and Space Administration], 1989. 1 microfiche.