ISR11 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-5~ Results for Query No. 9 QA9A[OCRerr]TALYSIS Document Rank No. Name Relevant Correlation l 308[OCRerr]CHIi[OCRerr] R X .52017756 2 L l8EITGLISH-L x .06772233 3 603CoMFILAT1 .03682715 [OCRerr] 307R0LE OF / .02923295 S 8llTHE RELAI .01267830 6 305THE USE 0 .00516770 7 506THE ROLE 0 8 207H[OCRerr]CTICAL 0 9 Sol[OCRerr]co[OCRerr][OCRerr][OCRerr]i 0 10 2l[OCRerr]DAPTIVE - .00510350 11 90IA SELECTE - .00613786 12 6l0CNRRAC[OCRerr]R - . 0l[OCRerr]90215 13 ll22STATE-OF - .01552769 l[OCRerr] 21IA C0[OCRerr]4FUTE - .01677182 15 ;?O.IA SYS[OCRerr]EM - .02265329 Ranking &`ook .166557 seconds Relevant Document Ranks Document I [RankiNo.1 Name Relevant Correlation 1lj82[OCRerr]{308[OCRerr]CHIIIER[OCRerr]X* .52017756 [21501 [OCRerr]l8Ei[OCRerr]LISH-L x .06772233 Normalized Recall = 1.0000000 Normalized Precision = 1.0000000 Rank Recall = 1.0000 Log Precision = 1.0000 No Update f02.' these results (f) After Second Update Figure 10 (continued)