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-32
Re[OCRerr]ults for OLiery No.12 0112JOURNAL
Document
No. Name Relevant Correlation
[OCRerr] 3OThOI[OCRerr] OF I x .[OCRerr]956980
`4o IIO2CENTRAU .382[OCRerr]603
19 3O2R[OCRerr]ORDING . 3oo96L[OCRerr]63
`46 1O9STATUS I[OCRerr] .2977'4567
60 121[OCRerr]WARD A . 2[OCRerr][OCRerr]9'4897
10 120IACCRRDIT 20'412'415
81 UO7THE AUTO .2oL[OCRerr]12'415
75 20IA SYSTEM .2013'4682
`43 1206THE [OCRerr]UC .19658927
21 1209SCIENCE .17234550
35 1OO4DENSITY .16823165
13 1119RECE[OCRerr]NT A .16439899
57 603C0MPILAT1 .16366342
`45 l215GRADUATE .15861032
38 303C. M. I[OCRerr]ER .15713484
[OCRerr]Uery(1) = [OCRerr]`iery (o) + Alpha
N
1=1
WEIG(~)(I)
* Document of Rank I
Document Rank 1 2 3 `4 5 6 7 8 9 10 li 12 13 i'4 15
Weight 1OOOOOOOOOOOOOQ
Alpha = 2
(a) Initial Results (Cosine Correlation)
Successful Use of Negative Weighting
(Five relevant documents in the collection)
Figure 4