ISR11
Scientific Report No. ISR-11 Information Storage and Retrieval
Information Analysis and Dictionary Construction
chapter
G. Salton
M. E. Lesk
Harvard University
Gerard Salton
Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government.
Iv-~
NAME OUTPUT FIRST SECOND TYPE 7 TYPE 15 TYPE 16
OF CON- NODE NODE SERIAL SERIAL SERIAL
TREE CEPT CONCEPTS 143 398 399
- _ - - - -
[OCRerr]
MANROL=286(2[OCRerr]OI,( 11[OCRerr])S7[OCRerr]145e5+e 15/401.16+919+
[OCRerr]ATHOP'-59[OCRerr](615I,(7,116,376[OCRerr]S7I14?
`.[OCRerr]HRK[OCRerr]u69(6[OCRerr]q)/(6('O[OCRerr]$1/148
[OCRerr] [OCRerr],(14.41.[OCRerr]nn.6('1 [OCRerr]s1/14Q.1[OCRerr]/4fl4
[OCRerr]CHOP[OCRerr]-Q[OCRerr] (61 [OCRerr] / ( 6[OCRerr]O) $7/ 1 [OCRerr]
[OCRerr]
- I - Eq 1 [OCRerr] [OCRerr]1 -` [OCRerr] 9 £i /1 g
/1[OCRerr]4.4+.[OCRerr]+.[OCRerr]+.I [OCRerr]+91[OCRerr]14,'[OCRerr]916+91q+
[OCRerr] )$7/1[OCRerr]7.15/'[OCRerr]9[OCRerr]
[OCRerr][OCRerr]T[OCRerr][OCRerr]L-471 ([OCRerr][OCRerr]7) ,(6[OCRerr]O[OCRerr]S7/l6'
[OCRerr] [OCRerr]/e [OCRerr]46$1/1[OCRerr]6, [OCRerr]4[OCRerr]'[OCRerr]/4j [OCRerr]
[OCRerr] `,[OCRerr] 14[OCRerr],¶',1.6l,1[OCRerr]/4l4
%ALT[OCRerr][OCRerr][OCRerr]-411 e[OCRerr]-[OCRerr]' ,[OCRerr] [OCRerr] [OCRerr]$`/1 7[OCRerr] ,1' `41[OCRerr]
[OCRerr] f ¶ [OCRerr]91 If 1 [OCRerr] (.711 77
[OCRerr] - W C T [OCRerr] - 7 [OCRerr] fl [OCRerr] 1 [OCRerr] / 1 [OCRerr] [OCRerr] [OCRerr] 1 7 1
[OCRerr]
[OCRerr] I(4?[OCRerr] )$[OCRerr]I1[OCRerr][OCRerr]
If?[OCRerr]7f $7/1[OCRerr]6
[OCRerr] f6[OCRerr][OCRerr] fIf[OCRerr][OCRerr]4f1'/177.1[OCRerr]I41[OCRerr]
[OCRerr]
[OCRerr]OC5TM[OCRerr]67q( l[OCRerr]1) If[OCRerr]C'4)$7I1[OCRerr][OCRerr]
[OCRerr] If [OCRerr] . 1[OCRerr]I4[OCRerr][OCRerr]
[OCRerr] If 441. ft7[OCRerr]¶-[OCRerr]4[OCRerr]1 [OCRerr]I4?1
9'i'*[OCRerr] A C - f [OCRerr] - ) I 1 [OCRerr] 1$ 711 [OCRerr]
[OCRerr], [OCRerr] [OCRerr] - 7 f [OCRerr] 4 [OCRerr] I f [OCRerr] f $ ` ` [OCRerr] 1 14 ,4
A?, - 7[OCRerr] 1 10 , f [OCRerr] $ I [OCRerr]
[OCRerr]`j[OCRerr]ff AT ? f ?` ` f I [OCRerr] 41- 1 ) ([OCRerr] I d S
[OCRerr] If[OCRerr]'[OCRerr] )$7I1[OCRerr][OCRerr]
[OCRerr] f1[OCRerr]4f/f6?[OCRerr] I$7I1[OCRerr][OCRerr]
1 [OCRerr] 9 [OCRerr]1 [OCRerr] If [OCRerr] I [OCRerr] $ 7/1 Q
[OCRerr] ,[OCRerr]`f If?71 f[OCRerr]1 I1[OCRerr]- *l+
0ATG[OCRerr][OCRerr]z6[OCRerr]lf ¶¶4[OCRerr] /( [OCRerr] 1;I4?[OCRerr],1 7[OCRerr]
[OCRerr] If'4[OCRerr].[OCRerr]61[OCRerr]1 I /[OCRerr]q[OCRerr],1+91 C1[OCRerr]7[OCRerr]9¶ 7+
[OCRerr]
[OCRerr] If 7.[OCRerr][OCRerr]4f$1 I2[OCRerr]1 [OCRerr] /4[OCRerr]1[OCRerr]1[OCRerr]+
D[OCRerr] [OCRerr] If [OCRerr]41 )$7,7.[OCRerr]1*¶[OCRerr]/41[OCRerr]
0[OCRerr]yVAQl0[OCRerr]f4lI. ) If `41 [OCRerr]
[OCRerr]NT[OCRerr]Off=4[OCRerr][OCRerr] f[OCRerr]:c If 1 -[OCRerr]1$7I?[OCRerr][OCRerr].15/4[OCRerr]7
[OCRerr] ([OCRerr][OCRerr].?f /f6[OCRerr]? [OCRerr]
[OCRerr] [OCRerr]
[OCRerr] ¶¶)/f[OCRerr][OCRerr]q )$7/[OCRerr][OCRerr]
[OCRerr] C [OCRerr]4Q.64[OCRerr] f[OCRerr] f[OCRerr][OCRerr][OCRerr])$!/?1O.1+.I [OCRerr]/4'.O
[OCRerr][OCRerr]wt[OCRerr][OCRerr]--651 flpQf /f54q 1$1 I?I?.[OCRerr]+
D[OCRerr]WC[OCRerr]ii6r[OCRerr] f[OCRerr]149[OCRerr]c[OCRerr]f [OCRerr] f440f[OCRerr]'. I[OCRerr]l[OCRerr]91+
[OCRerr] f [OCRerr] /f44[OCRerr] f$7I?1[OCRerr]
[OCRerr] IfA4[OCRerr]¶[OCRerr][OCRerr]I?1 -
EXCERPT FROM
CRITERION TREE DICTIONARY