Document (#25062)

Author

Lee, M.
Mizoguchi, R.

Title

Ontology models for supporting exploratory information needs

Source

Structures and relations in knowledge organization: Proceedings of the 5th International ISKO-Conference, Lille, 25.-29.8.1998. Ed.: W. Mustafa el Hadi et al

Imprint

Würzburg : Ergon

Year

1998

Pages

S.31-38

Series

Advances in knowledge organization; vol.6

Abstract

Exploratory browsing is potentially an important technique for retrieving text information from large knowledge bases. However, the task of information seeking is complex and it is easy to get lost in a composite network of nodes representing concepts. In this paper, we show how an exploring capability can be supported by ontology-based knowledge. The disadvantages mentioned above are avoided by providing facilities for guiding users' exploratory tasks particularly if they are not experts in the domain. We offer a way for information seekers or explorers to pursue information objects relevant to their tasks and apply task action steps to achieve their goals and intentions. Three types of ontology-based models were proposed that structure and organise information to support information access. The retrieved information is designed for navigating users' information seeking, but not restricting users' options. In addition, we discuss the maintenance of users' task actions to support information re-use purposes

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