SP500207 Appendix A: TREC-1 Results appendix National Institute of Standards and Technology Donna K. Harman ults - Belicore [ Summary Statistics [ Run number lsirc02-full, automatic 1 Num[OCRerr]queries 50 j [ Total number of documents over all queries Retrieved 10000 Relevant 15459 Rel[OCRerr]ret 1837 all Level Averages I Precision 0.6033 0.2134 0.1125 0.0533 0.0072 0.0039 0.0000 0.0000 0.0000 0.0000 0.0000 precision for all points vg 0.0903 precision for 3 [OCRerr]iate points 50, 0.80) g 0.0388 Document Level Averages Recall Precision at 5 docs 0.0080 0.3920 at 15 docs 0.0213 0.3360 at 30 docs 0.0399 0.3067 at 100 docs 0.0910 0.2448 at 200 docs 0.1388 0.1837 ROC Averages False Alarm Detection 0.00000 0.0279 0.00001 0.0437 0.00002 0.0504 0.00003 0.0599 0.00004 0.0668 0.00005 0.0739 0.00006 0.0796 0.00007 0.0872. 0.00008 0.0919 0.00009 0.0970 Recall-Precision Curve 1 0.8 0.6 Precision 0.4 0.2 0 A 0 0.2 0.4 0.6 0.8 Recall NORMAL DEVIATE. Detection.False Alarm 0.001 0.02 0.16 3 0.5 0.84 0.98 0 i9c 0 2 y 0 1 0 0 ½ -1 0 -2 0 .3 [OCRerr]I II -3 -2 -1 0 1 2 3 0