IRS13
Scientific Report No. IRS-13 Information Storage and Retrieval
Correlation Measures
chapter
K. Reitsma
J. Sagalyn
Harvard University
Gerard Salton
Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government.
PRECISION
0.70-
0.60
0.50
PRN
-- Cosine
Stiles
[OCRerr] Overlap
-- -. Hypersine
000 R-S1
M"K
Avemge
R-52
R-S 3
AAA
mm.
0.40
0.30-
0.20
0.10-
0.20 0.40 060 060 IDO
[OCRerr]rtormance of all the correlation twictions,
using the ADI Coliection.
Fig. 1
Explanation of the T
PRN Parker-Rhodes-i
M*K Maron and Kuhn
H-S 1 Own, div. by ir[OCRerr]'
concepts in do
query
H-S [OCRerr] Own, sorted up
R-S 3 Own, div. by #
ing concepts