OntoRama: Browsing RDF ontologies using a hyperbolic-style browser
Eklund, P.; Roberts, N.; Green, S.
Cyber Worlds, 2002. Proceedings. First International Symposium on
Volume , Issue , 2002 Page(s): 405 - 411
Digital Object Identifier   10.1109/CW.2002.1180907
Summary: This paper presents a Java-based hyperbolic-style browser designed to render RDF files as structured ontological maps. The program was motivated by the need to browse the content of a web-accessible ontology server: WEB KB-2. The ontology server contains descriptions of over 74,500 object types derived from the WordNet 1.7 lexical database and can be accessed using RDF syntax. Such a structure creates complications for hyperbolic-style displays. In WEB KB-2 there are 140 stable ontology link types and a hyperbolic display needs to filter and iconify the view so different link relations can be distinguished in multi-link views. Our browsing tool, OntoRama, is therefore motivated by two possibly interfering aims: the first to display up to 10 times the number of nodes in a hyperbolic-style view than using a conventional graphics display; secondly, to render the ontology with multiple links comprehensible in that view.

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