CRANV2
Aslib Cranfield Research Project: Factors Determining the Performance of Indexing Systems: Volume 2
Main test results
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.
167 -
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95
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85
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75
7O
6.5
60
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FIGURE 4.806P INDEX LANGUAGES III. l.a (X), III. 2. a ([OCRerr]),
III. 3. a ([:[OCRerr]), IIi. 4. a (<>), HI. 5. a (-[OCRerr]-) and
IIL 6. a ( O ). SEARCH A (Figures 4.800T-4.005T)