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Stock, W.G.; Stock, M.: Handbook of information science : a comprehensive handbook (2013)
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Mowshowitz, A.; Kawaguchi, A.: Measuring search engine bias (2005)
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Davis, C.H.; McKim, G.W.: Systematic weighting and ranking : cutting the Gordian knot (1999)
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Hock, R.: Search engines (2009)
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Milonas, E.: ¬The use of facets in Web search engines
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