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  1. Park, Y.C.; Choi, K.-S.: Automatic thesaurus construction using Bayesian networks (1996) 10.31
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  2. Kang, H.-K.; Choi, K.-S.: Two-level document ranking using mutual information in natural language information retrieval (1997) 10.31
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  3. Kim, J.-H.; Choi, K.-S.: Patent document categorization based on semantic structural information (2007) 10.31
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