IRS13
Scientific Report No. IRS-13 Information Storage and Retrieval
An Experiment in Automatic Thesaurus Construction
chapter
R. T. Dattola
D. M. Murray
Harvard University
Gerard Salton
Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government.
vill-lo
C C C C
5 17 29 31
1C21 1 1 1 1
1C52 1 1 0 0
1C83 0 0 1 1
C = concept
IC = initial class
(a[OCRerr],. Class-Concept Matrix C'
IC IC IC
21 52 83
1C21 1 1 1
1C52 1 1 0
1C83 1 0 1
(b) Class-Class Matrix S'
½mflIC21IC83
(c) Graphs resulting from S', k = 1.0
C 1C211 IC52 [OCRerr]
( 1C211 1C83)
(d) Merged Classes
Formation of Merged Classes
Fig. 3