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Chang, C.-H.; Hsu, C.-C.: Integrating query expansion and conceptual relevance feedback for personalized Web information retrieval (1998)
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Chang, C.-H.; Hsu, C.-C.: Customizable multi-engine search tool with clustering (1997)
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Hsieh, S.-M.; Hsu, C.-C.: Retrieval of images by spatial and object similarities (2008)
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