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  • × theme_ss:"Benutzerstudien"
  • × author_ss:"Vakkari, P."
  1. Vakkari, P.; Jones, S.; MacFarlane, A.; Sormunen, E.: Query exhaustivity, relevance feedback and search success in automatic and interactive query expansion (2004) 0.01 
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  2. Vakkari, P.: How specific thesauri and a general thesaurus cover lay persons' vocabularies concerning health, nutrition and social services 0.01 
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