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.
Results for Query No. 28 [OCRerr]11IND[OCRerr]
Document
Rank No. Name Relevant Correlation
1 35 l8[OCRerr]DENsITY - .02580081
2 32 902D0CUME[OCRerr][OCRerr] - .03087952
3 7[OCRerr] 305T}[OCRerr] USE 0 - . 036982[OCRerr]8
[OCRerr] 18 l122STATE-OF .0476[OCRerr]30
5 31 207F[OCRerr]CTICAL .05123559
6 [OCRerr] 30Th0LE OF/ .06360848
7 [OCRerr]4 90IA SELECTE .08127568
8 13 ll19REC[OCRerr]TT A .08509394
9 25 209T11E REDUC .09l7015[OCRerr]
10 14 5l8EDUCATION .09805563
11 63 214[OCRerr]C[OCRerr]0[OCRerr]Ti .10501212
12 38 303C. M. HER .10844530
13 Si UO7THE AUTO .10956911
i4 64 5O7PARAGRAPH .11821871
15 71 108S[OCRerr]CHERS .12027386
Ranking took .183333 seconds
Relevant Document Ranks
[OCRerr]Document[OCRerr] I
L½½0[OCRerr].f Name jRel;ant jo1r¾1a½1[OCRerr]on
22 36 1110C0IA?[OCRerr]LiR
vI-6i
Normalized Recall = .7439024 Normalized Precision = .2985615
Rank Recall = .0455 Log Precision = 0
No Update for these results
(d) Results after Third Update (Increasing Alpha Strategy)
Figure 11 (continued)