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Eerola, J.; Vakkari, P.: How a general and a specific thesaurus cover expressions in patients' questions and physicians' answers (2008)
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- Journal of documentation. 64(2008) no.1, S.131-142
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Numminen, P.; Vakkari, P.: Question types in public libraries' digital reference service in Finland : comparing 1999 and 2006 (2009)
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- Journal of the American Society for Information Science and Technology. 60(2009) no.6, S.1249-1257
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Huuskonen, S.; Vakkari, P.: Students' search process and outcome in Medline in writing an essay for a class on evidence-based medicine (2008)
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- Journal of documentation. 64(2008) no.2, S.287-303
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Vakkari, P.: Task complexity, information types, search strategies and relevance : integrating studies on information retrieval and seeking (1999)
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- S.35-54
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Sihvonen, A.; Vakkari, P.: Subject knowledge improves interactive query expansion assisted by a thesaurus (2004)
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- Journal of documentation. 60(2004) no.6, S.673-690
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Vakkari, P.: How specific thesauri and a general thesaurus cover lay persons' vocabularies concerning health, nutrition and social services
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- S.299-307
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Mikkonen, A.; Vakkari, P.: Readers' interest criteria in fiction book search in library catalogs (2016)
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- Journal of documentation. 72(2016) no.4, S.696-715
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Mikkonen, A.; Vakkari, P.: Reader characteristics, behavior, and success in fiction book search (2017)
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- Journal of the Association for Information Science and Technology. 68(2017) no.9, S.2154-2165
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Vakkari, P.; Völske, M.; Potthast, M.; Hagen, M.; Stein, B.: Modeling the usefulness of search results as measured by information use (2019)
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- Information processing and management. 56(2019) no.3, S.879-894
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Vakkari, P.; Völske, M.; Potthast, M.; Hagen, M.; Stein, B.: Predicting essay quality from search and writing behavior (2021)
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- Journal of the Association for Information Science and Technology. 72(2021) no.7, S.839-852