IRS13 Scientific Report No. IRS-13 Information Storage and Retrieval Test Environment 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. 17 Requests prepared by staff members. I? Requests prepared by a non-staff person. -------34 Requests, both sets combined. Q00005 QOOOI Q0002 0.000[OCRerr] 0.001 0.002 C 0.00[OCRerr] 0 IL OeOO I 0e02 0.0[OCRerr] 0.l 0.2 1.0 \ %%[OCRerr] [OCRerr] [OCRerr] [OCRerr] [OCRerr] [OCRerr] 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 Recall IRE-3, [OCRerr]bstracts, Stem Dictiona[OCRerr], Micro Averages over request sets indicated, Pseudo-Cranfield Cut-off. Performance Coinparison[OCRerr] of Staff and Non-staff Prepared Requests Fig. 12