IRS13
Scientific Report No. IRS-13 Information Storage and Retrieval
Test Environment
chapter
E. M. Keen
Harvard University
Gerard Salton
Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government.
Number of % of Total
Documents Collection NUMBER OF DOCUMENTS RELEVANT TO:
Relevant to Relevant to
one or more one or more _________________________
Requests Requests 1 REQ. 2 REQ. 3 [OCRerr] 4 REQ. 5 REQ. 6 REQ. 7 REQ.
80 430 55.1% 287 120 21 2 -
200 153 76.5% 115 33 5 - - -
72 87.8% 19 23 19 9 1 -
Number of Documents in the Collection Assessed as Relevant
Fig. `4