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  • × classification_ss:"ST 270"
  • × classification_ss:"54.64 / Datenbanken"
  1. Croft, W.B.; Metzler, D.; Strohman, T.: Search engines : information retrieval in practice (2010) 0.01 
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  2. Manning, C.D.; Raghavan, P.; Schütze, H.: Introduction to information retrieval (2008) 0.00 
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