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Radev, D.; Fan, W.; Qu, H.; Wu, H.; Grewal, A.: Probabilistic question answering on the Web (2005)
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Lin, J.; Katz, B.: Building a reusable test collection for question answering (2006)
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Wittbrock, M.J.; Hauptmann, A.G.: Speech recognition for a digital video library (1998)
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