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-12 C. ADI Collection, 82 Documents, Macro Averages over 35 Requests Cosine Numeric Correlation Text Suffix `5' Stem Thesaurus-i Thesaurus -SAl R P R P R P R P 0.1 0.7[OCRerr][OCRerr]5 0.1 0.7910 0.1 0.8711 0.1 o.7760 0.2 0.[OCRerr]29 0.2 0.6649 0.2 0.7587 0.2 0.6127 0.3 0.5695 0.3 0.5985 0.3 0.6632 0.3 0.5036 o.[OCRerr] o.soo6 0.4 0.5297 0.4 0.5887 o.4 0.4422 0.5 0.[OCRerr]33[OCRerr] 0.5 0.4583 0.5 0.5074 0.5 0.3888 0.6 0.386[OCRerr][OCRerr] o.6 o.4io8 o.6 o.4545 0.6 0.3625 0.7 0.3[OCRerr]75 0.7 0.3701 0.7 0.4087 0.7 0.3402 o.8 0.3024 o.8 0.3225 0.8 0.3613 o.8 0.3089 0.9 0.2417 0.9 0.2579 0.9 0.3028 0.9 0.2628 1.0 0.1622 1.0 0.1746 1.0 0.2426 1.0 0.1961 RNK REC= 0.2081 RNK REC 0.2242 RNK REC 0.2931 RNK REC 0.2401 LOG FRE 0.3509 LOG PRE= 0.3640 LOG FRE= 0.4245 LOG PRE 0.3704 NOR REC 0.7520 NOR REC= 0.7779 NOR REC o.8206 NOR REC 0.7774 NOR PRE 0.5308 NOR PRE= 0.5573 NOR PRE 0.6273 NOR PRE o.544i Thesaurus-l Stem Concon With Phrases Freq. 6-ioo K = o.6 R P R F 0.1 0.8609 0.1 o.8571 0.2 0.7409 0.2 0.7244 0.3 0.6676 0.3 0.6107 o.4 0.6002 o.4 0.5245 0.5 0.5097 0.5 o.4514 o.6 0.4538 o.6 0.3975 0.7 0.4136 0.7 0.3482 0.8 0.3752 o.8 0.3016 0.9 0.3247 0.9 0.2469 1.0 0.2752 1.0 0.1882 RNK REC 0.3226 RNK REC 0.2297 LOG PRE 0.4495 LOG H[OCRerr]= 0.3582 NOR REC= 0.8224 NOR REC 0.7604 NOR PRE 0.6336 NOR PRE= 0.5649