ISR11 Scientific Report No. ISR-11 Information Storage and Retrieval Relevance Feedback in an Information Retrieval System chapter W. Riddle T. Horwitz R. Dietz Harvard University Gerard Salton Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government. VI-70 A B C D Only relevant docu- ments are shown. q is the initial query. A. Initial configuration A B C q D B. Configuration after one modification Effect of the Initial Value of [OCRerr] used in the Iteration Process Figure 13 q1 obtained using small value of [OCRerr] q'9 obtained using larger value of [OCRerr]