ISR11 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-[OCRerr] 3 Harris Three H3 Title 0n[OCRerr] H3 Title 2 x-- -[OCRerr] 0.1 0.9735 0.1 0.81[OCRerr]37 0.1 0.2 0.8963 0.2 0.7[OCRerr]36 0.2 0.8953 0.3 0.8189 0.3 0.6733 0.3 0.8535 0.7782 0.6[OCRerr]7 0.7907 0.5 0.7137 0.5 0.5828 0.5 0.732[OCRerr] 0.6 0.6517 0.6 0.5328 0.6 0.6570 0.7 0.6102 0.7 0.4739 0.7 o.6151£. 0.8 0.5l[OCRerr]92 o.8 0.3925 o.8 0.5579 0.9 0.5002 0.9 0.2874 0.9 o.[OCRerr]8s5 1.0 0.[OCRerr]201 1.0 0.2320 1.0 0.3969 ??£CISION 1.0 0.9 o.8 0.7 o.6 0.5 0.4 0.3 0.2 0.1 0 1\ _[OCRerr][OCRerr][OCRerr]:[OCRerr] ___ t [OCRerr] __ _[OCRerr] ¼¼[OCRerr]7¾ _ [OCRerr] [OCRerr] [OCRerr]L ___ [OCRerr]¼ .1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 RECALL Comparison Based on Dictiona[OCRerr] with Title .[OCRerr]ights (averages over 17 search requests) Fig. 12