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Hellweg, H.; Krause, J.; Mandl, T.; Marx, J.; Müller, M.N.O.; Mutschke, P.; Strötgen, R.: Treatment of semantic heterogeneity in information retrieval (2001)
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Strötgen, R.: Treatment of semantic heterogeneity using meta-data extraction and query translation (2002)
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Strötgen, R.; Kokkelink, S.: Metadatenextraktion aus Internetquellen : Heterogenitätsbehandlung im Projekt CARMEN (2001)
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