IRS13 Scientific Report No. IRS-13 Information Storage and Retrieval 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) Page IV. continued E) The Maron-Kuhns Coefficient F) The Parker-Rhodes-Needham Coefficient C) The Stiles Coefficient H) The Average Coefficient I) The Reitsma-Sagalyn Coefficient [OCRerr]. Method of Evaluation * * . 5. Experimental Results . 6. Discussion . . * References * . e * * . IV-9 * * . IV-ll * * * IV-13 IV-15 IV-16 * * . IV-17 * . * IV-19 IV-22 * * * IV-26 Tables IV-27 V. KEEN, E. M. 11Document Length" 1. Introduction . * * * * 2. SMART Test Comparisons * . * . 3. Effect of Changes in Document Length L}* Test Results * * . * * * A) Abstracts versus Titles . B) Abstracts versus Full Text * C) Abstracts versus Indexing * 5. Individual Requests and Discussion of Results 6. Conclusions * * * * . * References * . . . e . . vii * * V-l * . V-3 V-13 * . V-l[OCRerr] * . V-28 * . V-LtO * * V-[OCRerr]8 * . V-58 V-60