IRS13 Evaluation Parameters chapter E. M. Keen Harvard University Gerard Salton Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government. ii-6o SPECIFIC RE[OCRerr]UESTS GENERAL RE[OCRerr]UESTS Average Rank of: Average Rank of: First Second Third First Second Third Relevant Relevant Relevant Relevant [OCRerr] Relevant Relevant 11.1 [OCRerr] 8.2 95.3 Cran-1 Abstract, Stem Dictionary Comparison of Specific and General Requests Using the Average Rank Position of the First, Second, and Last Ranked Relevant Documents. Fig. 32. NUMBER OF RE[OCRerr]UESTS [OCRerr] WITH RANK OF FIRST RELEVANT = SETS 1-2 3-10 >10 SPECIFIC 10 8 3 GENERAL l[OCRerr] 14 3 Cran-l, Anstract, Stem Dictionary Comparison of Specific and General Requests Showing the Numbers of Requests that Rank the First Ranked Relevant Document in Three Ranges. Fig. 33.