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Chung, Y.M.; Lee, J.Y.: ¬A corpus-based approach to comparative evaluation of statistical term association measures (2001)
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Chung, Y.M.; Lee, J.Y.: Optimization of some factors affecting the performance of query expansion (2004)
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Kim, P.J.; Lee, J.Y.; Park, J.-H.: Developing a new collection-evaluation method : mapping and the user-side h-index (2009)
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