Hierarchical presentation of expansion terms.

Hideo Joho Claire Coverson Mark Sanderson Micheline Hancock-Beaulieu

Published in: SAC (2002)

Keyphrases

expansion terms
query expansion
information retrieval systems
relevant documents
pseudo relevance feedback
retrieval effectiveness
multimedia
test collection
retrieved documents
document retrieval
information retrieval
selection criteria
co occurrence
ad hoc retrieval
term selection