CRANV2 Simulated ranking and document output cut-off 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. 194 - 1+ 2+ Q R N R N 79 2 60 1 7 100 4 167 3 71 116 6 169 5 92 118 5 123 5 49 119 6 170 6 82 121 3 30 3 5 122 5 107 5 41 123 3 92 3 24 126 2 95 2 62 130 4 153 4 28 132 2 78 2 51 136 6 63 6 23 137 6 147 6 60 141 1 82 1 35 145 12 168 12 102 146 7 37 147 3 87 148 4 36 167 4 182 170 2 109 181 2 164 182 3 175 189 2 64 190 7 .162 223 2 148 224 5 50 225 6 158 226 7 60 227 2 83 230 7 42 250 8 162 261 4 131 264 2 104 266 5 164 268 5 23 269 4 34 272 4 183 273 7 33 274 5 177 317 2 118 323 5[OCRerr] 162 36O 8 143 3+ 4[OCRerr] R N B N 1 1 3 50 1 2 4 51 3 25 5 31 3 17 4 37 3 13 3 0 3 0 3 II I 0 3 3 2 20 2 4 1 0 1 31 1 5 6 8 6 4 6 22 6 10 1 4 1 1 ii 47 7 23 4 1 1 1 2 35 1 13 0 7 4 15 4 4 2 0 4 105 3 51 3 21 I 45 1 18 i 6 2 42 I 7 l 47 1 5 0 12 0 6 45 5 I0 3 0 2 75 2 38 2 19 4 65 2 27 0 3 4 91 4 43 2 17 4 19 4 2 4 1 2 35 2 8 2 3 2 0 1 0 8 54 8 25 8 7 4 34 4 13 4 5 2 29 2 5 2 1 4 32 0 8 0 1 5 1 4 0 2 0 4 4 2 0. I 0 4 123 4 66 4 22 6 l0 "5 1 2 0 4 81 3 28 2 8 2 69 2 31 2 10 5 69 4 26 0 2 8 59 8 14 5 4 5+ 6+ 7+ 8+ 9+ R N R N R N R N R N 1 12 0 4 3 10 1 2 3 6 0 1 10 2 0 5 4 5 3 2 4 6 10 4 1 0 3 0 1 I O 3 9 1 l 1 1 2 3 2 1 05 2 0 I 0 I 0 1 0 3 2 2 1 0 1 2 O 5 4 3 0 40 4 0 3 0 1 0 1 0 1 0 3 4 3 I 2 0 2 0 O 2 0 I O l 3 2 0 1 FIGURE 5.2T SEARCH RESULTS BY COORDINATION LEVEL CUTOFF FOR SINGLE TERM INDEX LANGUAGE (I. 1.a) WITH 42 QUESTIONS AND 200 DOCUMENT COLL][OCRerr]CTION. C R. = Relevant documents retrieved N = Non-relevant documents retrieved)