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CLEF: Ongoing Activities and Plans for the Future.
Maristella Agosti
Giorgio Maria Di Nunzio
Nicola Ferro
Carol Peters
Published in:
NTCIR (2007)
Keyphrases
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information retrieval
long term
question answering
query expansion
test collection
activity recognition
current status
search algorithm
information extraction
natural language processing
human activities
multilingual information access