04 100 strict 04 250 strict 04 100

’ 04 100 strict ’ 04 250 strict ’ 04 100 lenient ‘ 04 250 lenient ‘ 04 1000 lenient 1 0. 162 0. 210 0. 25 0. 233 0. 424 2 0. 017 0. 027 0. 098 0. 083 0. 103 0. 243 3 0. 254 0. 30 0. 432 0. 33 0. 40 0. 599 4 0. 078 0. 26 0. 385 0. 13 0. 36 0. 52 6 0. 188 0. 247 0. 309 0. 281 0. 359 0. 488 7 0. 217 0. 30 0. 425 0. 275 0. 389 0. 586 8 0. 16 0. 291 0. 385 0. 217 0. 366 0. 539 9 0. 324 0. 384 0. 448 0. 40 0. 508 0. 616 5

’ 05 100 strict ’ 05 250 strict ’ 05 100 lenient ‘ 05 250 lenient ‘ 05 1000 lenient 1 0. 149 0. 145 0. 207 0. 234 0. 248 0. 392 2 0. 028 0. 048 0. 121 0. 111/ 0. 081 0. 201/ 0. 142 0. 380/ 0. 297 3 0. 18 0. 229 0. 31 0. 287 0. 369 0. 53 4 0. 062 0. 13 0. 29 0. 15 0. 237 0. 478 0. 012 0. 025 0. 093 0. 10 5 6 0. 117 0. 147 0. 243 0. 208 0. 273 0. 461 7 0. 147 0. 21 0. 338 0. 228 0. 335 0. 525 8 0. 097 0. 238 0. 328 0. 197 0. 35 0. 527 9 0. 21 0. 267 0. 369 0. 33 0. 414 0. 571

Top-1 Accuracy Top 1 – 100 S Top 1 – 1000 S Top 1 - 100 L Top 1 – 1000 L 1 0. 091 0. 151 0. 148 0. 324 2 0. 073 0. 034 0. 196 3 0. 11 0. 21 0. 139 0. 287 4 0. 031 0. 204 0. 088 0. 36 5 0. 02 0. 073 6 0. 065 0. 156 7 0. 094 0. 244 0. 148 0. 4 8 0. 054 0. 253 0. 133 0. 44 9

TREC Results • 2005