CRANV2
Aslib Cranfield Research Project: Factors Determining the Performance of Indexing Systems: Volume 2
Simulated ranking and document output cut-off
chapter
Cyril Cleverdon
Michael Keen
Cranfield
An investigation supported by a grant to Aslib by the National Science Foundation.
Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government.
- 213 -
Q REL i 2
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9 I 3 4 5 -7 -10 11 [ 16 21
-15 -20 31 51 101
-30 -50 -100 201
-200 401
-400 -600
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116 6 X X X
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9 14 6 I0 9 13 13 21 25
FIGURE 5.19T
DOCUMENT OUTPUT CUT-OFF SCORE SHEET FOR INDEX
LANGUAGE I.l.a FOR 42 QUESTIONS WITH
1,400 DOCUMENT COLLECTION.