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Evaluating Flowchart Recognition for Patent Retrieval.
Mihai Lupu
Florina Piroi
Allan Hanbury
Published in:
EVIA@NTCIR (2013)
Keyphrases
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patent retrieval
clef ip
patent documents
patent search
prior art
feature extraction
newspaper articles
test collection
query translation
intellectual property
query expansion
action recognition
retrieval effectiveness
digital libraries