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Zhang, J.; Mostafa, J.; Tripathy, H.: Information retrieval by semantic analysis and visualization of the concept space of D-Lib® magazine (2002)
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Park, J.-r.: Evolution of concept networks and implications for knowledge representation (2007)
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Jouis, C.: Logic of relationships (2002)
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Mazzocchi, F.; Tiberi, M.; De Santis, B.; Plini, P.: Relational semantics in thesauri : an overview and some remarks at theoretical and practical levels (2007)
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