SP500215 NIST Special Publication 500-215: The Second Text REtrieval Conference (TREC-2) Design and Evaluation of the CLARIT-TREC-2 System chapter D. Evans R. Lefferts National Institute of Standards and Technology D. K. Harman I II I ii U S Figure 5: Manual vs. Automatic Preparation of Routing Queries f [OCRerr]I I U 1- I S Figure 6: Manual vs. Automatic Preparation of Ad-Hoc Queries 144