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Mandala, R.; Tokunaga, T.; Tanaka, H.: Query expansion using heterogeneous thesauri (2000) 0.01

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Source: Information processing and management. 36(2000) no.3, S.361-378

Johnson, J.D.: On contexts of information seeking (2003) 0.01

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Source: Information processing and management. 39(2003) no.5, S.735-760

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