SP500207 Appendix A: TREC-1 Results appendix National Institute of Standards and Technology Donna K. Harman suits - Advanced Decision Systems I [ Summary Statistics Run number adsba1[OCRerr]ategory B, automatic 1 Num4ueries 25 Total number of documents over all queries 0.8 Retrieved 4698 Relevant 3766 Rel[OCRerr]et 572 0.6 Precision ecall Level Averages Document Level Averages 0.4 Lll Precision Recall Precision 0.3889 at 5 docs 0.0118 0.1680 () 0.1508 at 15 docs 0.0220 0.1467 0.2 () 0.1210 at 30 docs 0.0442 0.1493 0 0.0957 at 100 docs 0.1137 0.1244 0 0.0623 at 200 docs 0.1771 0.1144 0 0 0.0307 ROC Averages 0 0.0301 False Alarm Detection 0 0.0051 0.00000 0.0268 0 0.0000 0.00001 0.0329 0 0.0000 0.00002 0.0225 0 0.0000 0.00003 0.0459 ge precision for all points ] 0.00004 0.0306 Avg 0.0804 ] 0.00005 0.0324 ge precision for 3 0.00006 0.0499 [OCRerr]ediate points 0.00007 0.0517 0.00008 0.0545 0.00009 0.0561 } 0.50, 0.80) [OCRerr]vg 0.0506 Recall-Precision Curve 0 0.2 0.4 0.6 Recall NORMAL DEVIATE Detection-False Alarm 0.001 0.02 3 0.16 0.5 0.84 0.98 0.[OCRerr] 2 ½½I 1 0 -1 -iw -2 -3 I I I I -3 -2 -1 0 2