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Mayr, P.; Mutschke, P.; Petras, V.: Reducing semantic complexity in distributed digital libraries : Treatment of term vagueness and document re-ranking (2008)
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Joint, N.: Evaluating the quality of library portals (2005)
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Large, A.; Beheshti, J.; Rahman, T.: Design criteria for children's Web portals : the users speak out (2002)
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Bhavnani, S.K.; Bichakjian, C.K.; Johnson, T.M.; Little, R.J.; Peck, F.A.; Schwartz, J.L.; Strecher, V.J.: Strategy hubs : Domain portals to help find comprehensive information (2006)
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