IRS13
Scientific Report No. IRS-13 Information Storage and Retrieval
An Analysis of the Documentation Requests
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.
X 23
LONG SHORT
LOW HIGH LOW HIGH
FREQ FREQ FREQ FREQ
LOW A8 [OCRerr]
FR[OCRerr] Bi BO
SPECIFIC
HIGH Al AO
FRE[OCRerr] BI ]3lf
LOW A3 AO
FRE[OCRerr] Bi B2
GENERAL
HIGH Al A3
FREQ Bi B7
Data for the 35 Individual Requests as Given in Figure 9 but Here
Divided into the Requests of the Two Preparers.
Figure 12.
H[OCRerr]PARER
11A" "B11
[OCRerr]2/3 BROAD i4 3 17
[OCRerr]2/3 NARROW 14 114 18
i8 17 35
Correlation Between Request Preparers and Request Type, Where lvBroad[OCRerr]l
is the Sum of the 14 Categories to the Left of the Diagonal in
Figure 12, and "Narrow'1 is the Sum of the Other 14.
Figure 13.