ISR10 Scientific Report No. ISR-10 Information Storage and Retrieval The Query-Document Matching Function chapter Joseph John Rocchio Harvard University Gerard Salton Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government. 1 10N2 1 8N2 1 6N2 No. 0£ Comparisons 1 2N2 [OCRerr][OCRerr]1 1 1:. I -[OCRerr] .1 *1 IN2 *5N2 2[OCRerr]2 5' 2[OCRerr] `2 iON Number of Categories Total Number of Comparisons Required vs. the Number of Categories Figure 4.3