SP500207 Appendix A: TREC-1 Results appendix National Institute of Standards and Technology Donna K. Harman ;ults - Cornell University [ Summary Statistics J [Run number crnla2-full, automatic 1 [ Num[OCRerr]queries 50 1 Total number of documents over all queries Retrieved 10000 0.8 Relevant 15459 Rel[OCRerr]et 3399 0.6 call Level Averages Document Level Averages Precision 1 Precision Recall Precision 0.4 0.7798 at 5 docs 0.0116 0.5640 0.5162 at 15 docs 0.0349 0.5333 0.3278 0.2 at 30 docs 0.0646 0.5113 0.1823 at 100 docs 0.1690 0.4452 0.0647 at 200 docs 0.2491 0.3399 0 0.0248 0.0066 ROC Averages False Alarm Detection 0.0000 0.0000 0.00000 0.0679 0.0000 0.00001 0.0901 0.0000 0.00002 0.1120 0.00003 0.1313 precision for all points 0.00004 0.1447 vg 0.1729 0.00005 0.1583 precision for 3 0.00006 0.1712 [OCRerr]iate points 0.00007 0.1828 50, 0.80) 0.00008 0.1926 g 0.1175 0.00009 0.2018 Recall-Precision Curve 0 0.2 0.4 0.6 0.8 Recall NORMAL DEVIATE - Detection-False Alarm 0,101 3 2 1 0 -1 -2 -3 C 9 I I I 0.84 0.98 0 [OCRerr]C 0 0 0 0 0 0. 0. -3 -2 -1 0 1 2 3 0.02 0.16 0.5