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. v'-57 Results for [OCRerr]uery [OCRerr]o. 9 .([OCRerr]9JUIALYSIS Document Rank No. Name Relevant Correlation 1 82 3O8MACHINE R X .22188008 2 4 3O7ROLE oF/ . 17902[OCRerr]24 3 75 20IA SYSTEM .05009643 4 74 305THE USE 0 .03164696 s 46 i09STATUS RE .02393390 6 25 209THE REDUC .01831005 7 50 418[OCRerr]GLISH-L x .01382437 8 23 815A FACET A .01263004 9 41 SliANALYSIS .00977531 10 57 6O3COMPILATI .00939705 ii 4o 11O2CENTRALI .00732154 12 77 2l3ADAPTIVE .00260448 13 3 12101N INFOR 0 i4 10 12OIACCREDIT 0 15 31 2L7H[OCRerr]CTICAL 0 Ranking took .156667 seconds Relevant Document Ranks Rank No. Name }Relevant I_Correlation ;½[OCRerr]um8e2t 3O8MACHINERIX I .22188008 [fiffil_418ENGLISH-L1X J__.01382437 No[OCRerr]ria1ized Recall = .9691358 Normalized Precision = .8454909 Rank Recall = .3750 Log Precision = .3562 No Update [OCRerr]or these results (i) After Second Update Figure 10 (continued)