<DOC>
<DOCNO> IRS13 </DOCNO>
<TITLE> Scientific Report No. IRS-13 Information Storage and Retrieval </TITLE>
<SUBTITLE> Word-Word Associations in Document Retrieval Systems </SUBTITLE>
<TYPE> chapter </TYPE>
<PAGE CHAPTER="9" NUMBER="16">
<AUTHOR1> M. E. Lesk </AUTHOR1>
<PUBLISHER> Harvard University </PUBLISHER>
<EDITOR1> Gerard Salton </EDITOR1>
<COPYRIGHT MTH="December" DAY="" YEAR="1967" BY="National Science Foundation">
Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government.
</COPYRIGHT>
<BODY>
IX-16
Cutoff significant No. Pairs
.6-.7 71% 185
.7-.8 79% 75
*8-.9 76% 52
.9-1.0 95% 20
all+ 71% 332
Effect of Correlation Level on Local Significance
Table 5
</BODY>
</PAGE>
</DOC>