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