IRS13
Scientific Report No. IRS-13 Information Storage and Retrieval
Word-Word Associations in Document Retrieval Systems
chapter
M. E. Lesk
Harvard University
Gerard Salton
Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government.
IX-22
Rank in Association Retrieval Process
1-9 10-19 20-29 30-49 50-99 100-200 total
1-9 67 12 0 4 3 1 87
Rank 10-19 16 7 4 5 4 0 36
in 20-29 7 2 2 2 1 3 17
Word
Stem 30-49 2 0 1 3 5 2 13
Process 50-99 2 2 1 1 11 5 22
100-200 2 2 1 2 7 9 23
total 96 25 9 17 31 20
net
change +9 -11 -8 +4 +9 -3
Changes in Rank Positions of Relevant Documents for Two Analysis Methods
Table 6