NTCIR-3 Patent Retrieval Experiments at ULIS.

Atsushi Fujii Tetsuya Ishikawa

Published in: NTCIR (2002)

Keyphrases

patent retrieval
clef ip
test collection
patent search
prior art
retrieval effectiveness
query translation
patent documents
query expansion
information retrieval
ir evaluation
retrieval model
relational databases
document collections
question answering
intellectual property