IRS13 Table of Contents table of contents Harvard University Gerard Salton Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government. TABLE OF CONTENTS (continued) III. continued A) Manual Systems III-' B) Mechanized Systems 111-5 C) Automated Systems * 3. SMART Test Results - Matching Functions A) Description of Functions B) Retrieval Performance Results C) Analysis of Performance 14. SMART Test Results - Weighting Scheme A) Description of Weighting Scheme B) Retrieval Performance Results C) Analysis of Performance 5. References Conclusions and Suggested Further Studies * . * 111-8 * * * . 111-9 * . 111-9 * . 111-11 111-17 * . * * 111-29 * * * * 111-29 * * . . 111-30 * * * * 111-32 * * 111-148 * . * * 111-58 IV. REITSMA, K. AND SAGALYN, J. 11Correlation Measures11 Abstract 1. Introduction 2. Weighted versus Logical Description 3. The Correlation Coefficients A) The Inner Product * * B) The Cosine Coeffieient * C) The Hypersine Coefficient D) The Overlap Coefficient vi * . * . * IV-l * IV-1 * . IV-2 * . * * . IV-5 * * . . . IV-6 * . . * * IV-7 * . . * . IV-7 * . . . . IV-8 Vectors