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-17 D. ADI Collection, 82 Documents, Macro Average over 36 Requests, some of which have been modified by increasing weights of important words, see Section X. Cosine Numeric Correlation Text Su£fix `5' Stem Thesaurus-i Thesaurus-i With Phrases R P R P R P R P 0.1 o.y81+[OCRerr] 0.1 0.81+35 0.1 0.871+2 0.1 0.871+5 0.2 0.61+29 0.2 0.71+62 0.2 0.7725 0.2 0.771+1+ 0.3 0.5695 0.3 0.6657 0.3 0.7029 0.3 0.7083 o.1+ 0.5006 o.1+ 0.5938 o.1+ 0.6590 o.1+ o.66[OCRerr]o 0.5 0.1+331+ 0.5 0.5311+ 0.5 0.6101 0.5 0.6171+ 0.6 0.3861+ 0.6 0.1+805 0.6 0.51+85 0.6 0.51+81 0.7 0.31+75 0.7 0.1+368 0.7 o.1+856 0.7 0.1+771+ o.8 0.3021+ 0.8 0.3893 o.8 0.1+196 0.8 0.1+112 0.9 0.21+17 0.9 0.3319 0.9 0.3551+ 0.9 0.31+97 1.0 o.i6[OCRerr][OCRerr] 1.0 0.2568 1.0 0.2933 1.0 0.2903 RNK REC 0.2081 RNK R[OCRerr]= 0.3090 RNK REC 0.31+85 RNK REC= 0.31+31 LOG PRE= 0.3509 LOG H[OCRerr]= 0.1+328 LOG PRE= o.1+1+85 LOG PRE= 0.1+1+96 NOR REC 0.7520 NOR REC= 0.8198 NOR REC= 0.8507 NOR REC= 0.81+79 NOR PRE 0.5308 NOR PRE 0.6307 NOR PRE= 0.6821 NOR PRE 0.6763 Cosine Numeric Correlation Abstract Suffix `5' Stem Thesaurus-i Thesaurus -SAl R P R P R P R P 0.1 0.8073 0.1 0.8282 0.1 0.9029 0.1 0.7893 0.2 0.6636 0.2 0.7106 0.2 0.8012 0.2 0.6121+ 0.3 0.5662 0.3 o.6i1+i 0.3 0.7018 0.3 0.5331 o.1+ 0.5087 0.1+ 0.51+53 0.1+ 0.6296 o.1+ 0.1+716 0.5 0.1+690 0.5 0.5003 0.5 0.5892 0.5 0.1+137 0.6 0.1+307 0.6 0.1+605 o.6 0.51+55 0.6 0.3932 0.7 0.3878 0.7 0.1+199 0.7 0.1+91+2 0.7 0.3698 o.8 0.3328 0.8 0.3715 o.8 0.1+336 o.8 0.31+01 0.9 0.2660 0.9 0.3102 0.9 0.3531+ 0.9 0.2937 1.0 o.i91+6 1.0 0.231+9 1.0 0.2565 1.0 0.2330 RNK REC 0.2379 RNK REC= 0.2822 RNK REC 0.301+7 RNK REC= 0.2761 LOG PRE 0.3603 LOG PRE 0.391+8 LOG PRE 0.1+280 LOG PRE 0.3978 NOR REC= 0.7589 NOR REC 0.7807 NOR REC= 0.8236 NOR REC= 0.7818 NOR PRE= o.5561+ NOR PRE= 0.5866 NOR PRE= 0.6591 NOR PRE o.5660