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. v'II-15 AP[OCRerr][OCRerr]ix A. Sazz[OCRerr]p1e Outputs Part 1. Hand-Const[OCRerr]cted [OCRerr]xan[OCRerr]p1e The fO11O[OCRerr]jng structures contain typical relations: 0-0 j>;4 Os 444 Oo[OCRerr][OCRerr][OCRerr]0 0 Concept [OCRerr]umber Parents Brothers Sons 1 2 3,4,10 2 1 3 1 8 6 4 1 7 6,8,9 5 6 3,4 11 10 7 4 8 4 3 9 9 4,8 10 10 1,6 9 11 6 12 12 11