SP500215 Design and Evaluation of the CLARIT-TREC-2 System chapter D. Evans R. Lefferts National Institute of Standards and Technology D. K. Harman Er' [OCRerr][OCRerr][OCRerr]ijm[OCRerr]rit [OCRerr][OCRerr]mpE[OCRerr] :: 2 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.6 0 9 1.0 [OCRerr]II [OCRerr]0I6 [OCRerr]336. [OCRerr] - 0[OCRerr]5 ([OCRerr][OCRerr]2[OCRerr]-2 [OCRerr][OCRerr]e6IIn5) [OCRerr]V6[OCRerr][OCRerr]96 [OCRerr][OCRerr]63I6E3 - 0.3269 Top 100 [OCRerr]b[OCRerr]3o6. T - 0.75 [OCRerr][OCRerr]6[OCRerr]6Q6 P[OCRerr]63I[OCRerr]I3fl - 0.3209 FT0 7 T[OCRerr]p 300 6[OCRerr]bcio0.. T =0.76 [OCRerr] Or-slab - 0.3440 p 500 a[OCRerr]bcioo[OCRerr], T - 0.75 m [OCRerr][OCRerr]-[OCRerr]Q6 Pr6aIaUoo - 0.3449 Figure 11: Effect of Sample Size (Routing Topics) [OCRerr][OCRerr]rE [OCRerr]t I [OCRerr] ri [OCRerr] Er' [OCRerr] LI rLI [OCRerr] E) I [OCRerr] ry [OCRerr]l' r[OCRerr] [OCRerr] I' [OCRerr] I cli .1 0.2 0.3 0.4 0.6 0.6 0.7 0.6 0.9 1.0 Figure 12: Effect of Thesaurus Size (Routing Topics) 149