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theme_ss:"Retrievalalgorithmen"
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classification_ss:"54.64 / Datenbanken"
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classification_ss:"025.04 / DDC22ger"
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classification_ss:"06.74 / Informationssysteme"
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Lavrenko, V.: ¬A generative theory of relevance (2009)
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1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm