ISR11 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. VIII-5 T T 1 2 T3 T4 T1 - 2/7 6/7 2/7 T2 2/5 2/5 3/5 T3 6/9 ½9 - 2/9 2/4 3/[OCRerr] 2/1 - 2) choose a F[OCRerr]or K = [OCRerr]12 < K, S 13 > K, [OCRerr]l4 <K, [OCRerr]23 < K, S24[OCRerr]> K, S34 < K, cutoff 0.50: [OCRerr]21 < K T and T 1 2 S >K[OCRerr]T andT 31 1 3 [OCRerr]4i = K T1 parent S <K T and T 32 2 3 S >K[OCRerr] and 42 T2 T4 S) = K 43 T3 parent value K and derive relationships: unrelated similar (brothers) of TIL unrelated similar (brothers) of T4 These relationships may be repre[OCRerr]ented graphically: Parent to Son --- Brothers 3) ?`1t entries Term 1 Parents Brothers Sons Term 2 Parents Brothers Sons on the appropriate lists: (None) 3 (None) 4 (None)