IRS13
Scientific Report No. IRS-13 Information Storage and Retrieval
Appendix A: Recall-Precision Tables
appendix
Harvard University
Gerard Salton
Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government.
A-il
Overlap Logical Correlation
Title
Stem
R P
0.1 0.8096
0.2 0.6368
0.3 0.5586
O.[OCRerr] O.[OCRerr]903
0.5 0.14117
o.6 0.3576
0.7 0.3043
o.8 0.2601
0.9 0.2272
1.0 0.2035
RNK REC 0.2296
LOG PRE-- 0.3927
NOR REC= 0.8082
NOR PRE= 0.5979