Overview of TREC-7 Very Large Collection Track.

David Hawking Nick Craswell Paul B. Thistlewaite

Published in: TREC (1998)

Keyphrases

information retrieval
document collections
test collection
database
question answering
retrieval effectiveness
pseudo relevance feedback
ad hoc retrieval
trec collections
trec web
real time
neural network
relevance feedback
relevance judgments
real time tracking
blog opinion retrieval