IRS13 Document Length 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. V-22 NUMBER OF RELEVANT DOCUMENTS WITH RANK POSITIONS SHOWING: COLLECTION DICTIONARY ABSTRACT TITLE BOTH TOTAL SUPERIOR [OCRerr] SUPERIOR EQUAL DOCUMENTS CRAN-1 Stem 99 t84. 15 198 Rank position merit of the 198 individual documents relevant to the [OCRerr]2 requests co[OCRerr]aring abstract and titlee Figure 11. NUMBERS OF RELEVANT DOCUMENTS WITH RANK CHANGES IN RANGES: 1-5 6-b 11-20 21-30 31-1*0 1*i-5o 51-75 76-101-126- 100 125 150 Abstract Superior I 29 17 12 5 2 2 1* 20 6 2 Total 99 Title Superior J[OCRerr]28 `6 15 11 7 3 1* 0 0 0 Total 81* Changes in rank positions between abstracts and titles of 183 of the in- dividual documents relevant to the 1*2 requests. (Cran-l Collection, Stem Dictionary) Figure 12.