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author_ss:"Abdelali, A."
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language_ss:"e"
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year_i:[2000 TO 2010}
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theme_ss:"Retrievalalgorithmen"
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Abdelali, A.; Cowie, J.; Soliman, H.S.: Improving query precision using semantic expansion (2007)
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1.0 = *:*, product of: 1.0 = boost 1.0 = queryNorm