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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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Rüther, M.; Fock, J.; Schultz-Krutisch, T.; Bandholtz, T.: Classification and reference vocabulary in linked environment data (2011)
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Milstead, J.L.; Berger, M.C.: ¬The Engineering Information thesaurus development project (1993)
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