IRS13
Scientific Report No. IRS-13 Information Storage and Retrieval
Document Length
chapter
E. M. Keen
Harvard University
Gerard Salton
Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government.
Title, Stem Title, Thesaurus
OM
0
Abstract, Stem
wx
x
Abstract, Thesaurus
A Full Text, Thesaurus
A[OCRerr]A Full Text, Stem
Precision Precision
1.0 1.0
0.8 0.8 -
0.6 0.6
0.4 0.4
0.2 0.2
`````[OCRerr] R eco II
0 0.2 0.4 0.6 0.8 1.0
I I I I I [OCRerr] Reco
0 0.2 0.4 0.6 0.8 1.0
ADI, 35 Requests
Per[OCRerr]ormance Results C[OCRerr]paring Titles, Abstracts and Full Text on Two Dictionaries.
Fig. 23.