Report on the patent retrieval task at NTCIR workshop 3.

Makoto Iwayama Atsushi Fujii Noriko Kando Akihiko Takano

Published in: SIGIR Forum (2004)

Keyphrases

patent retrieval
test collection
patent documents
prior art
patent search
clef ip
retrieval effectiveness
information retrieval
query translation
intellectual property
cross language information retrieval
evaluation metrics
web retrieval
panel discussion
real time
query expansion
co occurrence
computer science