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Title: A study of navigation strategies in spatial-semantic visualizations
Authors: Cribbin, T
Chen, C
Issue Date: 2001
Publisher: Lawrence Erlbaum Associates
Citation: Proceedings of the 9th International Conference on Human-Computer Interaction (HCI International), Mahwah (NJ): USA, 2001. pp. 948-952
Abstract: Visualisations of abstract data are believed to assist the searcher by providing an overview of the semantic structure of a document collection whereby semantically similar items tend to cluster in space. Cribbin and Chen (2001) found that similarity data represented using minimum spanning tree (MST) graphs provided greater levels of support to users when conducting a range of information seeking tasks, in comparison to simple scatter graphs. MST graphs emphasise the most salient relationships between nodes by means of connecting links. This paper is based on the premise that it is the provision of these links that facilitated search performance. Using a combination of visual observations and existing theory, hypotheses predicting navigational strategies afforded by the MST link structure are presented and tested. The utility, in terms of navigational efficiency and retrieval success, of these and other observed strategies is then examined.
Appears in Collections:Computer Science
Dept of Computer Science Research Papers

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