Topology and document retrieval operations
By: by Donald J. Hillman.
Series: Study of theories and models of information storage and retrieval -- report, 9
Publisher: Center for the Information Sciences, Lehigh University
Place of publication: Bethlehem, Pa
Language: eng
Number of pages: 15
Subjects: Information retrieval.
Notes: "This research supported by the National Science Foundation,Washington, D.C., under Grant No. GN-283".

Includes bibliographical references.