SP500215 NIST Special Publication 500-215: The Second Text REtrieval Conference (TREC-2) Appendix B: System Features Appendix National Institute of Standards and Technology D. K. Harman HB. QUERY CONSTRU[OCRerr]ON--MANUALLY CONSTRUC'T1[OCRerr]D ( UERIES (ADHOC) SYSThM NAME [OCRerr] DORTMUND [OCRerr] CORNE[OCRerr] [ BERKEIEY [OCRerr] RUTGERS [OCRerr] _______ ________ ___________________ __________ ________ ___________[OCRerr] SIEMENS ]_UMASS_r________ Manually Constructed Queries (Adhoc) _____________ None [2] _________ 3sets Entire topic Topic Fields All statement [3] Yes [5] Yes 112.5 for corn- 5-10 min. per Average Build Time (minutes) ______________ ___________ ____________ bined query [1] uery [4] 1 min. 15 per query Human search Type of Query Builder (*) _____________ expert b b b Wordnet Tools Used (+) No special tools interface None N/A Methods Used in Construction pnorm: syster - Term Weighting _____________ __________ ____________ Yes Yes Yes assigned wei[OCRerr] pnorm: - Boolean Connectors Yes No AND/OR - Proximity Operators Yes Yes No - Addition of Terms Yes Yes No all: possibly Personal knowledge of Wordnet -- Source of Terms searchers synonym sets [6] ___________ - Other None ") (a) domain expert [OCRerr]) (a) word frequency list (1)) computer systems expert [OCRerr]) knowledge base browser (c) other lexical tools