RIMQA is a tool (java application) for computing possible instance descriptions when ontologies evolve. It can load ontologies expressed in .rdfs files or stored at the FORTH-ICS Semantic Web Knowledge Middleware( http://athena.ics.forth.gr:9090/SWKM/) and instance descriptions expressed in .rdf file.
Distinctive characteristics of RIMQA:
(a) provision of Top-k diagrams for aiding the process of
understanding large in size ontologies,
(b) configurable force-directed layout algorithms (appropriate for semantic networks),
(c) support of a semi-automatic layout process (where the user can change
node positions, nail down nodes, apply layout algorithms, etc),
(d) star graph-based (with variable radius) exploration mode.
Screenshots:
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