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Advanced OWL 2.0 Ontology Visualization in OWLGrEd

Advanced OWL 2.0 Ontology Visualization in OWLGrEd. Kārlis ČERĀNS Jūlija OVČIŅŅIKOVA Renārs LIEPIŅŠ Artūrs SPROĢIS Institute of Mathematics and Computer Science, University of Latvia. OWLGrEd editor. UML-style based graphical editor for OWL 2 Classes Association roles Attributes

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Advanced OWL 2.0 Ontology Visualization in OWLGrEd

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  1. Advanced OWL 2.0 Ontology Visualizationin OWLGrEd Kārlis ČERĀNS Jūlija OVČIŅŅIKOVA Renārs LIEPIŅŠ Artūrs SPROĢIS Institute of Mathematics and ComputerScience, University of Latvia

  2. OWLGrEd editor • UML-style based graphical editor for OWL 2 • Classes • Association roles • Attributes • Objects • Generalizations

  3. OWLGrEd editor owlgred.lumii.lv

  4. OWLGrEd interoperabilitywith Protégé 4.2

  5. Some desired extra notations • AnnotationAssertion(A:isImportant A:Teacher "true") • AnnotationAssertion(A:DBExpr A:AcademicProgram "XProgram") • AnnotationAssertion(A:DBExpr A:Course "XCourse") • AnnotationAssertion(A:isComposition A:includes "true") • AnnotationAssertion(A:isDerivedUnion A:relates "true") User Field mechanism: creating new fields, attaching semantics

  6. Custom Ontology Visualizations with user field mechanism • Ontology visualization profiles • Abstract fields (to be added to ontology visual items) • field type; • field appearance; • visual effects; • field semantics. • Views • define appearance for existing and new fields

  7. User Fields mechanism Meta-model

  8. Style settings(from TDA Graph Diagram Engine) Reference:Barzdins J., Cerans K., Kozlovics S., Rencis E., and Zarins, A. A Graph Diagram Engine for theTransformation-Driven Architecture, Proc. of 4th International Workshop of Model-DrivenDevelopment of Advanced User Interfaces, Florida, USA, 2009, pp.29-32.

  9. Implementation: Transformation Driven Architecture • Development of universally re-usable user interface engines; the graphical diagramming engine employs advanced layouting facilities. • Logical activities based on metamodels and model transformations.

  10. Use Cases – Semantic auto-layout for new diagrams

  11. Use Cases – Semantic auto-layout for new diagrams Created fullyautomatically

  12. Use Cases – Database Connectivity Notation A mini-university database schema OWL ontology corresponding to the mini-University

  13. Use Cases – Database Connectivity Notation

  14. Use Cases – Integrity Constraints in RDF/OWL Database Schema Design It is natural to interpret some axioms as constraints

  15. Conclusions • OWLGrEd – owlgred.lumii.lv • User Fields extensions • Applications: • simple visual effects; • database connectivity notation; • integrity constraints. • Use the extension for you own custom notation

  16. Thank you! Questions?

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