Pertti Vakkari
Pertti Vakkari
Professor Emeritus of Information Studies , Tampere University, Finland
Verified email at
Cited by
Cited by
Task-based information searching.
P Vakkari
Annual Review of Information Science and Technology (ARIST) 37, 413-64, 2003
Task complexity, problem structure and information actions: Integrating studies on information seeking and retrieval
P Vakkari
Information processing & management 35 (6), 819-837, 1999
A theory of the task‐based information retrieval process: A summary and generalisation of a longitudinal study
P Vakkari
Journal of documentation 57 (1), 44-60, 2001
Content analysis of research articles in library and information science.
K Jarvelin, P Vakkari
Library and information science research 12 (4), 395-421, 1990
The evolution of library and information science 1965–1985: A content analysis of journal articles
K Järvelin, P Vakkari
Information processing & management 29 (1), 129-144, 1993
Changes in relevance criteria and problem stages in task performance
P Vakkari, N Hakala
Journal of documentation 56 (5), 540-562, 2000
Changes of search terms and tactics while writing a research proposal: A longitudinal case study
P Vakkari, M Pennanen, S Serola
Information processing & management 39 (3), 445-463, 2003
Information seeking in context: A challenging metatheory
P Vakkari
Proceedings of an international conference on Information seeking in context …, 1997
Evolution of library and information science, 1965–2005: Content analysis of journal articles
O Tuomaala, K Järvelin, P Vakkari
Journal of the Association for information science and technology 65 (7 …, 2014
Searching as learning: A systematization based on literature
P Vakkari
Journal of Information Science 42 (1), 7-18, 2016
Information seeking in context: proceedings of an international conference on research in information needs, seeking and use in different contexts, 14-16 August, 1996, Tampere …
P Vakkari, R Savolainen, B Dervin
Trends and approaches in information behaviour research
P Vakkari
Information Research 13 (4), 13-4, 2008
Cognition and changes of search terms and tactics during task performance: A longitudinal case study
P Vakkari
Content-Based Multimedia Information Access-Volume 1, 894-907, 2000
Library and information science: its content and scope
P Vakkari
Advances in librarianship, 1-55, 1994
Relevance and contributing information types of searched documents in task performance
P Vakkari
Proceedings of the 23rd annual international ACM SIGIR conference on …, 2000
International library and information science research: A comparison of national trends
MK Rochester, P Vakkari
Perceived outcomes of public libraries
P Vakkari, S Serola
Library & Information Science Research 34 (1), 37-44, 2012
Subject knowledge improves interactive query expansion assisted by a thesaurus
A Sihvonen, P Vakkari
Journal of Documentation 60 (6), 673-690, 2004
Conceptions of Library and Information Science Historical, Empirical and Theoretical Perspectives
P Vakkari, B Cronin, T Yliopisto
Growth of theories on information seeking: An analysis of growth of a theoretical research program on the relation between task complexity and information seeking
P Vakkari
Information Processing & Management 34 (2-3), 361-382, 1998
The system can't perform the operation now. Try again later.
Articles 1–20