SP500207 Appendix A: TREC-1 Results appendix National Institute of Standards and Technology Donna K. Harman Its - Carnegie Mellon University L Summary Statistics Run number clarta-full, manual 1 1 Num[OCRerr]queries 50 Total number of documents over all queries 1 0.8 Retrieved 10000 1 Relevant 16400 Rel[OCRerr]ret 2110 J 0.6 Precision [OCRerr]all Level Averages Document Level Averages 11 Precision Recall Precision 0.4 0.6138 at 5 docs 0.0084 0.3920 p 0.2634 at 15 docs 0.0219 0.3520 0.2 p 0.1445 at 30 docs 0.0420 0.3467 0.0810 at 100 docs 0.1051 0.2732 0.0479 at 200 does 0.1570 0.2110 0 0.0152 ROC Averages 0.0052 False Alarm Detection 0.0000 0.00000 0.0316 0.0000 0.00001 0.0460 0.0000 0.00002 0.0619 ____ 0.0000 0.00003 0.0736 r,[OCRerr]ecision for all points I 0.00004 0.0810 [OCRerr]vg 0.1065 0.00005 0.0901 `,e precision for 3 0.00006 0.0975 ediate points 0.00007 0.1068 0.50, 0.80) 0.00008 0.1133 Lvg 0.0533 0.00009 0.1201 Recall-Precision Curve 0 0.2 0.4 0.6 0.8 Recall NORMAL DEVIATE - Detection-False Alarm U I I 0. Ol 0.02 3 2 1 0 -1 -2 -3 0.16 0.5 0.84 0.98 0.9 -3 -2 -1 0 2 *[OCRerr]