IRS13 Appendix A: Recall-Precision Tables appendix Harvard University Gerard Salton Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government. A-¼4 Cosine [OCRerr]umeric Correlation Title Suffix `5' Stem Thesaurus-i Thesaurus-SAl R P R P H P R P 0.1 0.7[OCRerr]66 0.1 0.7772 0.1 0.8644 0.1 0.7663 0.2 0.5818 0.2 0.6250 0.2 0.7625 0.2 0.5890 0.3 0.3 0.5120 0.3 o.6445 0.3 0.4772 0.4306 o.4 0.5613 o.4 0.4149 0.5 0.3390 0.5 0.3587 0.5 0.5038 0.5 0.3607 o.6 0.2925 o.6 0.3022 o.6 0.4319 o.6 0.3069 0.7 0.25[OCRerr][OCRerr] 0.7 0.2566 0.7 0.3566 0.7 0.2661 o.8 0.225[OCRerr] o.8 0.2235 o.8 0.2921 0.8 0.2282 0.9 o.i[OCRerr]8 0.9 0.1805 0.9 0.2303 0.9 0.1783' 1.0 0.1252 1.0 0.1199 1.0 0.1516 1.0 0.1312 RNK REC 0.1507 RNK REC 0.1502 RNK REC 0.1950 LOG PRZ= 0.3139 LOG F[OCRerr]= 0.2954 LOG PRE= 0.3532 NOR REC 0.6435 NOR REC 0.6722 NOR REC= 0.7324 NOR PRE= 0.4209 NOR PRE 0.4537 NOR PRE 0.5462 Cosine Logical Correlation Text Suffix `5' Stem Thesaurus-i R P R P R P 0.1 0.7796 0.1 0.7600 0.1 0.7721 0.2 o.6066 0.2 0.5871 0.2 0.5713 0.3 o.4855 0.3 0.4852 0.3 o.4488 o.4 0.4149 o.4 0.4241 o.4 0.3717 0.5 0.3642 0.5 0.3828 0.5 0.3042 o.6 0.3357 0.6 0.3484 o.6 0.2739 0.7 0.2976 0.7 0.3044 0.7 0.2513 o.8 o.26io o.8 0.2654 o.8 0.2338 0.9 0.2391 0.9 0.2222 0.9 0.2100 1.0 0.2127 1.0 0.1790 1.0 o.i854 RNK REC 0.1607 LOG PRE 0.3140 NOR REC o.6877 NOR PEE 0.4649 The sauru[OCRerr]5Aj R P 0.1 0.7256 0.2 0.5090 0.3 0.3945 o.4 0.3372 0.5 0.2931 0.6 0.2706 0.7 0.2471 o.8 0.2222 0.9 0.2012 1.0 0.1776 RNK REC 0.2375 RNK REC 0.2147 RNK REC 0.2081 RNK REC o.i946 LOG PRE 0.3561 LOG PRE= 0.3517 LOG PRE- 0.3377 LOG PRE= 0.3253- NOR REC= 0.7768 NOR REC 0.7695 NOR REC 0.7819 NOR REC o.6884- NOR PRE= 0.5462 NOR PRE= 0.5248 NOR PRE 0.5092 NOR PRE 0.4332