Pertti Vakkari

Publication Activity (10 Years)

Years Active: 1993-2024
Publications (10 Years): 26

Top Topics

Visualization Tools

Library And Information Science

Evaluation Methodologies

Top Venues

J. Documentation

J. Assoc. Inf. Sci. Technol.

Publications

I-Chin Wu, Pertti Vakkari, Bo-Xian Huang
An exploration of search-as-learning in digital archives of an online museum. J. Documentation 80 (2) (2024)
Yuli Zhao, Yuyang Bai, Yin Zhang, Bin Zhang, Pertti Vakkari
A Probabilistic Model Toward How People Search to Build Outcomes. IEEE Access 11 (2023)
Kalervo Järvelin, Yu-Wei Chang, Pertti Vakkari
Characteristics of LIS Research Articles Affecting Their Citation Impact. CoRR (2023)
Pertti Vakkari, Kalervo Järvelin, Yu-Wei Chang
The association of disciplinary background with the evolution of topics and methods in Library and Information Science research 1995-2015. J. Assoc. Inf. Sci. Technol. 74 (7) (2023)
Pertti Vakkari, Yu-Wei Chang, Kalervo Järvelin
Largest contribution to LIS by external disciplines as measured by the characteristics of research articles. Scientometrics 127 (8) (2022)
Kalervo Järvelin, Pertti Vakkari
LIS research across 50 years: content analysis of journal articles. J. Documentation 78 (7) (2022)
Pertti Vakkari, Yu-Wei Chang, Kalervo Järvelin
Disciplinary contributions to research topics and methodology in Library and Information Science - Leading to fragmentation? J. Assoc. Inf. Sci. Technol. 73 (12) (2022)
I-Chin Wu, Bo-Xian Huang, Pertti Vakkari
Learning Outcomes during Information Search in Digital Archives. ASIST (2021)
Pertti Vakkari, Michael Völske, Martin Potthast, Matthias Hagen, Benno Stein
Predicting essay quality from search and writing behavior. J. Assoc. Inf. Sci. Technol. 72 (7) (2021)
Pertti Vakkari, Anna Mikkonen
The role of readers' literary preferences in predicting success in fiction search. J. Documentation 76 (1) (2020)
Pertti Vakkari
The Usefulness of Search Results: A Systematization of Types and Predictors. CHIIR (2020)
Antti Mikael Rousi, Reijo Savolainen, Pertti Vakkari
Adopting situationally relevant modes of music information at different stages of information-seeking processes. J. Documentation 75 (6) (2019)
Pertti Vakkari, Michael Völske, Martin Potthast, Matthias Hagen, Benno Stein
Modeling the usefulness of search results as measured by information use. Inf. Process. Manag. 56 (3) (2019)
Antti Mikael Rousi, Reijo Savolainen, J. Tuomas Harviainen, Pertti Vakkari
Situational relevance of music information modes: An empirical investigation among Doctor of Music students. J. Documentation 74 (5) (2018)
Pertti Vakkari
Information Search Processes in Complex Tasks. CHIIR (2018)
I-Chin Wu, Pertti Vakkari
Effects of subject-oriented visualization tools on search by novices and intermediates. J. Assoc. Inf. Sci. Technol. 69 (12) (2018)
Pertti Vakkari, Michael Völske, Martin Potthast, Matthias Hagen, Benno Stein
Predicting Retrieval Success Based on Information Use for Writing Tasks. TPDL (2018)
Anna Mikkonen, Pertti Vakkari
Reader characteristics, behavior, and success in fiction book search. J. Assoc. Inf. Sci. Technol. 68 (9) (2017)
Sei-Ching Joanna Sin, Pertti Vakkari
Information repertoires: media use patterns in various gratification contexts. J. Documentation 73 (6) (2017)
Antti Mikael Rousi, Reijo Savolainen, Pertti Vakkari
A typology of music information for studies on information seeking. J. Documentation 72 (2) (2016)
Pertti Vakkari
Searching as learning: A systematization based on literature. J. Inf. Sci. 42 (1) (2016)
Pertti Vakkari, Svanhild Aabø, Ragnar Audunson, Frank Huysmans, Nahyun Kwon, Marjolein Oomes, Sei-Ching Joanna Sin
Patterns of perceived public library outcomes in five countries. J. Documentation 72 (2) (2016)
Anna Mikkonen, Pertti Vakkari
Readers' interest criteria in fiction book search in library catalogs. J. Documentation 72 (4) (2016)
Pertti Vakkari, Janna Pöntinen
Result List Actions in Fiction Search. JCDL (2015)
Anna Mikkonen, Pertti Vakkari
Books' Interest Grading and Fiction Readers' Search Actions During Query Reformulation Intervals. JCDL (2015)
Kalervo Järvelin, Pertti Vakkari, Paavo Arvola, Feza Baskaya, Anni Järvelin, Jaana Kekäläinen, Heikki Keskustalo, Sanna Kumpulainen, Miamaria Saastamoinen, Reijo Savolainen, Eero Sormunen
Task-Based Information Interaction Evaluation: The Viewpoint of Program Theory. ACM Trans. Inf. Syst. 33 (1) (2015)
Maristella Agosti, Norbert Fuhr, Elaine G. Toms, Pertti Vakkari
Evaluation methodologies in information retrieval dagstuhl seminar 13441. SIGIR Forum 48 (1) (2014)
I-Chin Wu, Pertti Vakkari
Supporting navigation in Wikipedia by information visualization: extended evaluation measures. J. Documentation 70 (3) (2014)
Pertti Vakkari, Svanhild Aabø, Ragnar Andreas Audunson, Frank Huysmans, Marjolein Oomes
Perceived outcomes of public libraries in Finland, Norway and the Netherlands. J. Documentation 70 (5) (2014)
Otto Tuomaala, Kalervo Järvelin, Pertti Vakkari
Evolution of library and information science, 1965-2005: Content analysis of journal articles. J. Assoc. Inf. Sci. Technol. 65 (7) (2014)
Pertti Vakkari
Models explaining the perceived outcomes of public libraries. J. Documentation 70 (4) (2014)
Pertti Vakkari, Arto Luoma, Janna Pöntinen
Books' interest grading and dwell time in metadata in selecting fiction. IIiX (2014)
Katariina Saarinen, Pertti Vakkari
A sign of a good book: readers' methods of accessing fiction in the public library. J. Documentation 69 (5) (2013)
Miamaria Saastamoinen, Sanna Kumpulainen, Pertti Vakkari, Kalervo Järvelin
Task complexity affects information use: a questionnaire study in city administration. Inf. Res. 18 (4) (2013)
Janna Pöntinen, Pertti Vakkari
Selecting Fiction in Library Catalogs: A Gaze Tracking Study. TPDL (2013)
Maristella Agosti, Norbert Fuhr, Elaine G. Toms, Pertti Vakkari
Evaluation Methodologies in Information Retrieval (Dagstuhl Seminar 13441). Dagstuhl Reports 3 (10) (2013)
Saila Huuskonen, Pertti Vakkari
"I Did It My Way": Social workers as secondary designers of a client information system. Inf. Process. Manag. 49 (1) (2013)
Abdigani Diriye, Ann Blandford, Anastasios Tombros, Pertti Vakkari
The Role of Search Interface Features during Information Seeking. TPDL (2013)
Pertti Vakkari
Internet use increases the odds of using the public library. J. Documentation 68 (5) (2012)
Pertti Vakkari, Saila Huuskonen
Search effort degrades search output but improves task outcome. J. Assoc. Inf. Sci. Technol. 63 (4) (2012)
Anna Mikkonen, Pertti Vakkari
Readers' search strategies for accessing books in public libraries. IIiX (2012)
Suvi Oksanen, Pertti Vakkari
In search of a good novel, neither reading activity nor querying matter, but examining search results does. IIiX (2012)
Suvi Oksanen, Pertti Vakkari
Emphasis on examining results in fiction searches contributes to finding good novels. JCDL (2012)
Saila Huuskonen, Pertti Vakkari
Client's Temporal Trajectory in Child Protection: Piecing Information Together in a Client Information System. INTERACT (4) (2011)
Pertti Vakkari
Comparing Google to a digital reference service for answering factual and topical requests by keyword and question queries. Online Inf. Rev. 35 (6) (2011)
Saila Huuskonen, Pertti Vakkari
Client information system as an everyday information tool in child protection work. IIiX (2010)
Tuula Poikonen, Pertti Vakkari
Lay persons' and professionals' nutrition-related vocabularies and their matching to a general and a specific thesaurus. J. Inf. Sci. 35 (2) (2009)
Pertti Vakkari, Mari Taneli
Comparing Google to Ask-a-Librarian Service for Answering Factual and Topical Questions. ECDL (2009)
Piritta Numminen, Pertti Vakkari
Question types in public libraries' digital reference service in Finland: Comparing 1999 and 2006. J. Assoc. Inf. Sci. Technol. 60 (6) (2009)
Saila Huuskonen, Pertti Vakkari
Students' search process and outcome in Medline in writing an essay for a class on evidence-based medicine. J. Documentation 64 (2) (2008)
Pertti Vakkari
Perceived influence of the use of electronic information resources on scholarly work and publication productivity. J. Assoc. Inf. Sci. Technol. 59 (4) (2008)
Johanna Eerola, Pertti Vakkari
How a general and a specific thesaurus cover expressions in patients' questions and physicians' answers. J. Documentation 64 (1) (2008)
Sanna Talja, Pertti Vakkari, Jenny Fry, Paul Wouters
Impact of research cultures on the use of digital library resources. J. Assoc. Inf. Sci. Technol. 58 (11) (2007)
Pertti Vakkari, Sanna Talja
Searching for electronic journal articles to support academic tasks. A case study of the use of the Finnish National Electronic Library (FinELib). Inf. Res. 12 (1) (2006)
Saila Huuskonen, Pertti Vakkari
Situational relevance and task outcome. IIiX (2006)
Pertti Vakkari
Trends in the use of digital libraries by scientists in 2000-2005: A case study of finelib. ASIST (2006)
Sami Serola, Pertti Vakkari
The anticipated and assessed contribution of information types in references retrieved for preparing a research proposal. J. Assoc. Inf. Sci. Technol. 56 (4) (2005)
Pertti Vakkari, Sanna Talja
The Influence of the Scatter of Literature on the Use of Electronic Resources Across Disciplines: A Case Study of FinELib. ECDL (2005)
Pertti Vakkari, Sami Serola, Mikko Pennanen
Users' conceptual structure, search process and useful information types in the retrieved references. ASIST (2005)
Pertti Vakkari, Susan Jones, Andy MacFarlane, Eero Sormunen
Query exhaustivity, relevance feedback and search success in automatic and interactive query expansion. J. Documentation 60 (2) (2004)
Anne Sihvonen, Pertti Vakkari
Subject knowledge improves interactive query expansion assisted by a thesaurus. J. Documentation 60 (6) (2004)
Sanna Törmä, Pertti Vakkari
Discipline, availability of electronic resources and the use of Finnish National Electronic Library - FinELib. Inf. Res. 10 (1) (2004)
Anne Sihvonen, Pertti Vakkari
Subject Knowledge, Thesaurus-assisted Query Expansion and Search Success. RIAO (2004)
Pertti Vakkari, Eero Sormunen
The influence of relevance levels on the effectiveness of interactive information retrieval. J. Assoc. Inf. Sci. Technol. 55 (11) (2004)
Pertti Vakkari, Mikko Pennanen, Sami Serola
Changes of search terms and tactics while writing a research proposal: A longitudinal case study. Inf. Process. Manag. 39 (3) (2003)
Pertti Vakkari
Task-based information searching. Annu. Rev. Inf. Sci. Technol. 37 (1) (2003)
Peiling Wang, Katriina Byström, Colleen Cool, Stefano Mizzaro, Tefko Saracevic, Pertti Vakkari, Marilyn Domas White
Advancing relevance research: Theory integration, methodological progress, and critical questions. Sponsored by SIG CRS, USE. ASIST (2003)
Mikko Pennanen, Pertti Vakkari
Students' conceptual structure, search process, and outcome while preparing a research proposal: A longitudinal case study. J. Assoc. Inf. Sci. Technol. 54 (8) (2003)
Pertti Vakkari
Subject Knowledge, Source of Terms, and Term Selection in Query Expansion: An Analytical Study. ECIR (2002)
Pertti Vakkari
A theory of the task-based information retrieval process: a summary and generalisation of a longitudinal study. J. Documentation 57 (1) (2001)
Pertti Vakkari
Changes in Search Tactics and Relevance Judgements when Preparing a Research Proposal A Summary of the Findings of a Longitudinal Study. Inf. Retr. 4 (3-4) (2001)
Pertti Vakkari, Nanna Hakala
Changes in relevance criteria and problem stages in task performance. J. Documentation 56 (5) (2000)
Pertti Vakkari
Cognition and changes of search terms and tactics during task performance: A longitudinal case study. RIAO (2000)
Pertti Vakkari
Relevance and contributing information types of searched documents in task performance. SIGIR (2000)
Carol Collier Kuhlthau, Pertti Vakkari
Editorial: Information seeking in context (ISIC). Inf. Process. Manag. 35 (6) (1999)
Pertti Vakkari
Task complexity, problem structure and information actions - Integrating studies on information seeking and retrieval. Inf. Process. Manag. 35 (6) (1999)
Pertti Vakkari
Trends in ... a Critical Review: Growth of Theories on Information Seeking: An Analysis of Growth of a Theoretical Research Program on the Relation Between Task Complexity and Information Seeking. Inf. Process. Manag. 34 (2-3) (1998)
Pertti Vakkari, Martti Kuokkanen
Theory growth in information science: applications of the theory of science to a theory of information seeking. J. Documentation 53 (5) (1997)
Kalervo Järvelin, Pertti Vakkari
The Evolution of Library and Information Science 1965-1985: A Content Analysis of Journal Articles. Inf. Process. Manag. 29 (1) (1993)