SP500207
NIST Special Publication 500-207: The First Text REtrieval Conference (TREC-1)
Appendix A: TREC-1 Results
appendix
National Institute of Standards and Technology
Donna K. Harman
ults - University of Illinois at Chicago
Summary Statistics J
Run number danyul-full, automatic Recall-Precision Curve
Num[OCRerr]queries 50 1
Total number of documents over all queries 1
Retrieved 95881 0.8
Relevant 16400
ReLret 1514
0.6
ecall Level Averages
Lll Precision
[) 0.4710
[) 0.1652
[) 0.0497
[) 0.0059
[) 0.0000
0.0000
[) 0.0000
) 0.0000
) 0.0000
) 0.0000
) 0.0000
[OCRerr]recision for all poi ntsl
[OCRerr]vg 0.0629 ]
[OCRerr]e precision for 3
ediate points
0.50, 0.80)
[OCRerr]vg 0.0166
Document Level Averages Precision
Recall Precision 0.4
at 5 docs 0.0065 0.2760
at 15 docs 0.0138 0.2253
0.2
at 30 docs 0.0259 0.2347
at 100 docs 0.0578 0.1818
A A A
at 200 docs 0.0961 0.1514 0
0 0.2 0.4 0.6 0.8
ROC Averages Recall
False Alarm Detection
0.00000 0.0191
0.00001 0.0297
0.00002 0.0350
0.00003 0.0386
0.00004 0.0423
0.00005 0.0458
0.00006 0.0493
0.00007 0.0525
0.00008 0.0563
0.00009 0.0621.
NORMAL DEVIATE - Detection-False Alarm
0.001 0.02
3
0.16 0.5 0.84 0.98 0.9
2
1 7
0 ½
-1
-2
-3
W[
I I
-3 -2' -1 0 1 2
3