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
"K QUERY CONSTRUCTiON -- MANUAlLY CONSTRUCIED QUERIES [OCRerr]OUInNG)
SYSThM NAME I c[OCRerr] [OCRerr] ERIM [OCRerr] TMC Jcriiu [OCRerr] UCLA [ SEC [OCRerr] [OCRerr]wi 11
lidly Constructed Queries
ing) None
(Proximity queries) (Stat
Fields Used Title, description,
narrative, concepts
ige Time to Build (minutes) 250 -5[OCRerr]
of Query Builder
System expert Systei
Used fbr Building Query (*) b, C (
docur
a, b, C relev[OCRerr]
Used to Build Query (+) a, alo
word
d [1] specia
ds Umd to Build Query
n Weighting Implicitly derived from
Lean[OCRerr][OCRerr][OCRerr]Conriectors ________ query rankings Yes
Yes Yes
Cperato[OCRerr]
Yes Yes
ition of Terms
roe of Terms
r Counting operators
(term frequency in
documents) antecedent
- reference recognition
rd frequency list (1)) knowledge base browser
U training topic (1') from all training documents (c) other lexical tools (d) machine analysis of training documents)
(c) from documents with relevance (d) from other sources
judgments