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-33
Cutoff Rank Recall Log Precision
.30 .3247 .4770
.45 .3409 .4982
.60 .3162 .4888
.75 .3116 .4932
.90 .2933 .4608
All runs cosine correlation, frequency range 6-50
Effect of Varying Cutoff
Table 10