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Marchiori, M.: ¬The quest for correct information on the Web : hyper search engines (1997)
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Hsieh-Yee, I.: ¬The retrieval power of selected search engines : how well do they address general reference questions and subject questions? (1998)
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Chang, C.-H.; Hsu, C.-C.: Customizable multi-engine search tool with clustering (1997)
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Hancock, B.: Subject-specific search engines : using the Harvest system to gather and maintain information on the Internet (1998)
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Lawrence, S.; Giles, C.L.: Inquirus, the NECI meta search engine (1998)
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Wiley, D.L.: Beyond information retrieval : ways to provide content in context (1998)
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