Experiments on Patent Retrieval at NTCIR-5 Workshop.

Hironori Takeuchi Naohiko Uramoto Koichi Takeda

Published in: NTCIR (2005)

Keyphrases

patent retrieval
clef ip
test collection
prior art
patent documents
patent search
query translation
retrieval effectiveness
query expansion
relevant documents
ir evaluation
information retrieval
retrieval model
patent prior art search
language model
recall oriented
information retrieval systems
domain specific