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  • × theme_ss:"Retrievalstudien"
  • × author_ss:"Fan, W."
  1. Fan, W.; Luo, M.; Wang, L.; Xi, W.; Fox, E.A.: Tuning before feedback : combining ranking discovery and blind feedback for robust retrieval (2004) 0.03 
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  2. Radev, D.R.; Libner, K.; Fan, W.: Getting answers to natural language questions on the Web (2002) 0.01 
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