Accession Number : AD0608704

Title :   AN EMPIRICAL TESTING PROGRAM FOR MODELS OF INFORMATION STORAGE AND RETRIEVAL SYSTEMS.

Descriptive Note : Final rept. for 1 Jul 63-60 Jun 64,

Corporate Author : LEHIGH UNIV BETHLEHEM PA CENTER FOR THE INFORMATION SCIENCES

Personal Author(s) : Hillman,Donald J.

Report Date : 06 NOV 1964

Pagination or Media Count : 12

Abstract : A small scale experimental program was undertaken to compare the efficiency of a retrieval system based on a Boolean model with that of a system based on a negation-free or uncomplemented model. The results of the experiment are described.

Descriptors :   (*INFORMATION RETRIEVAL, MATHEMATICAL MODELS), (*MATHEMATICAL LOGIC, INFORMATION RETRIEVAL), PROGRAMMING (COMPUTERS), DATA STORAGE SYSTEMS, SPECIAL FUNCTIONS (MATHEMATICAL), ALGEBRA, SEARCH THEORY, ALGEBRAS, DOCUMENTS, SUBJECT INDEXING, TEST METHODS

Distribution Statement : APPROVED FOR PUBLIC RELEASE