University of Sheffield TREC-8 Q&A System.

Kevin Humphreys Robert J. Gaizauskas Mark Hepple Mark Sanderson

Published in: TREC (1999)

Keyphrases

information retrieval
test collection
retrieval effectiveness
question answering
e learning
relevance feedback
query expansion
case study
document collections
machine learning
hong kong
engineering students
san francisco
language model
pseudo relevance feedback
ad hoc retrieval
state university
stanford university