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Wu, H.; He, J.; Pei, Y.: Scientific impact at the topic level : a case study in computational linguistics (2010)
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- Journal of the American Society for Information Science and Technology. 61(2010) no.11, S.2274-2287
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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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- Journal of the American Society for Information Science and Technology. 56(2005) no.6, S.571-583