Microsoft Cambridge at TREC-12: HARD track.

Stephen E. Robertson Hugo Zaragoza Michael J. Taylor

Published in: TREC (2003)

Keyphrases

information retrieval
test collection
question answering
clef ip
database applications
pseudo relevance feedback
sql server
retrieval effectiveness
relevance judgments
blog opinion retrieval
decision making
information extraction
visual basic
patent retrieval
okapi bm