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Vakkari, P.; Jones, S.; MacFarlane, A.; Sormunen, E.: Query exhaustivity, relevance feedback and search success in automatic and interactive query expansion (2004)
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- Journal of documentation. 60(2004) no.2, S.109-127
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Vakkari, P.; Sormunen, E.: ¬The influence of relevance levels an the effectiveness of interactive information retrieval (2004)
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- Journal of the American Society for Information Science and Technology. 55(2004) no.11, S.963-969