SP500207 NIST Special Publication 500-207: The First Text REtrieval Conference (TREC-1) CLARIT TREC Design, Experiments, and Results chapter D. Evans R. Lefferts G. Grefenstette S. Handerson W. Hersh A. Archbold National Institute of Standards and Technology Donna K. Harman WS3861204-0059 WSJ870123-0031 ZFO8-695-706 WS3870305-0055 WSJ870519-0094 WS3871030-0149 ZFO8-096-680 WSJ861208-0024 ZFO8-318-964 ZFO8-338-122 Figure 19: Sample of Data-Hand-Selected 10 Relevants for Topic 57 Step: Input: Process: Output: Source- Query [OCRerr] IDFxTF Indexed Docs 8 [OCRerr]Indexin[OCRerr][OCRerr] (Words Broken Out) 2000 Docs Rel-Docs Ilntersectl Q uery-Sup-Docs 9 (Possibly [OCRerr]) 2000 Docs 10 Source- Query Query-Sup-Docs I Merge Wjli&brate _ Final Query Vector 11 Indexed-Docs Final Query Vector Vector Space _ Top 200 Docs L-JRanking Figure 20: Schematic Representation of Final Steps in Processing 269