ISR11
Scientific Report No. ISR-11 Information Storage and Retrieval
An Experimental Investigation of Automatic Hierarchy Generation
chapter
G. Blomgren
A. Goodman
L. Kelly
Harvard University
Gerard Salton
Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government.
vi:i-16
The following printout constitutes output from an actual computer run
using the above data.
Output from Hand-Constructed Example
The List Structure from which the Hierarchy is Constructed
Cutoff = (Irrelevant)
CONCEPT NUMBER 1 CONCEPT NUMBER 7
PARENTS PARENTS
BROTHERS 2 BROTHERS
SONS 3 1 10 SONS
CONCEPT NUMBER CONCEPT NUMBER 8
PARENTS PARENTS [OCRerr]
BROTHERS 1 BROTHERS 3
SONS SONS 9
CONCEPT NUMBER 3 CONCEPT NUMBER 9
PARENTS 1 PARENTS 4 8
BROTI[OCRerr]RS 8 BROTHERS 10
SONS 6 SONS
CONCEPT NUMBER CONCEPT NUMBER 10
PARENTS 1 PARENTS 1 6
BROTHERS 7 BROTHERS 9
SONS 6 89 SONS
CONCEPT NJ[OCRerr][OCRerr]ER 6 CONCEPT NUMBER 11
PARENTS 3 4 PARENTS
BROTHERS 11 BROTHERS 6
SONS 10 SONS 12
CONCEPT NUMBER 12
PARENTS 11
BROTHERS
SONS
All Other Concepts have No Parents, No Brothers, and No Sons.