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author_ss:"Niemi, T."
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theme_ss:"Semantisches Umfeld in Indexierung u. Retrieval"
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theme_ss:"Klassifikationssysteme im Online-Retrieval"
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type_ss:"a"
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Järvelin, K.; Niemi, T.: Deductive information retrieval based on classifications (1993)
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1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm