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SemaSun: Visualization of Semantic Knowledge Based on an Improved Sunburst Visualization Metaphor

Stab, Christian and Breyer, Matthias and Nazemi, Kawa and Burkhardt, Dirk and Hofmann, Cristian Erik and Fellner, Dieter W. (2010):
SemaSun: Visualization of Semantic Knowledge Based on an Improved Sunburst Visualization Metaphor.
pp. 911-919, AACE, Chesapeake, ED-Media 2010, [Conference or Workshop Item]

Abstract

Ontologies have become an established data model for conceptualizing knowledge entities and describing semantic relationships between them. They are used to model the concepts of specific domains and are widespread in the areas of the semantic web, digital libraries and multimedia database management. To gain the most possible benefit from this data model, it is important to offer adequate visualizations, so that users can easily acquire the knowledge. Most ontology visualization techniques are based on hierarchical or graph-based visualization metaphors. This may result in information-loss, visual clutter, cognitive overload or context-loss. In this paper we describe a new approach of ontology visualization technique called SemaSun that is based on the sunburst visualization metaphor. We improved this metaphor, which is naturally designed for displaying hierarchical data, to the tasks of displaying multiple inheritance and semantic relations. This approach also offers incremental ontology exploring to reduce the cognitive load without losing the informational context.

Item Type: Conference or Workshop Item
Erschienen: 2010
Creators: Stab, Christian and Breyer, Matthias and Nazemi, Kawa and Burkhardt, Dirk and Hofmann, Cristian Erik and Fellner, Dieter W.
Title: SemaSun: Visualization of Semantic Knowledge Based on an Improved Sunburst Visualization Metaphor
Language: English
Abstract:

Ontologies have become an established data model for conceptualizing knowledge entities and describing semantic relationships between them. They are used to model the concepts of specific domains and are widespread in the areas of the semantic web, digital libraries and multimedia database management. To gain the most possible benefit from this data model, it is important to offer adequate visualizations, so that users can easily acquire the knowledge. Most ontology visualization techniques are based on hierarchical or graph-based visualization metaphors. This may result in information-loss, visual clutter, cognitive overload or context-loss. In this paper we describe a new approach of ontology visualization technique called SemaSun that is based on the sunburst visualization metaphor. We improved this metaphor, which is naturally designed for displaying hierarchical data, to the tasks of displaying multiple inheritance and semantic relations. This approach also offers incremental ontology exploring to reduce the cognitive load without losing the informational context.

Publisher: AACE, Chesapeake
Uncontrolled Keywords: Forschungsgruppe Semantic Models, Immersive Systems (SMIS), Information visualization, Ontology visualization, Semantics
Divisions: 20 Department of Computer Science
20 Department of Computer Science > Interactive Graphics Systems
Event Title: ED-Media 2010
Date Deposited: 12 Nov 2018 11:16
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