ISR11 Scientific Report No. ISR-11 Information Storage and Retrieval Operating Instructions for the SMART Text Processing and Document Retrieval System chapter 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. II-~3 8. :1; 1. lQ* 2d: 2. 1A * ([OCRerr]) 9. 3. [OCRerr]s) 3 cy (V) 26' 1 [OCRerr] (v) 10. i[OCRerr][OCRerr](V) (s) 4. S) 5. I I 3 (C) I 1*QI (V) 6. 2Q* 10: 7. 12. 13. 11. - 4y[OCRerr]5) l[OCRerr][OCRerr]) 26[OCRerr] 3 ,, ([OCRerr]) l*0[OCRerr][OCRerr] [OCRerr] 2 3 (a) Standard Tree Types Table 6 Solid lines indicate direct dependence; dotted lines indicate indirect dependence. The asterisk denotes tI[OCRerr]ey!l nodes; i.e. the nodes to which the output concept number is attached when a match is found.