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Visual Ontology Modelling in metaphactory
Peter Haase
OntoCommons Workshop on Tools for Ontology Engineering
19.3.2021
metaphacts at a Glance
§ metaphacts GmbH
§ Founded in 2014
§ Headquartered in Walldorf, Germany
§ International team acros...
• Knowledge Graph Modelling
• Visual ontology modelling
• Domain expert targeted KG management
• End-user Oriented Interac...
Knowledge Graph Asset Management
KNOWLEDGE GRAPH ASSETS
Ontologies
Vocabularies
Datasets
Mappings
Rules
Building the Knowledge Graph
Ontology
Engineer
Domain
Expert
Data
Steward
All stakeholders are
empowered to actively
parti...
• Right expressivity
• Class hierarchy, relations, attributes, constraints (domain, range, cardinalities)
• Determined by ...
Visual Modelling Notation
1) Classes
2) Relations
3) Attributes
4) Additional metadata
Visual Ontology Exploration, Modell...
• A visual, conceptual language which translates internally to OWL + SHACL
Visual Ontology Exploration, Modelling and Docu...
• Title (dcterms:title)
• Label (rdfs:label)
• Description (dcterms:description)
• Base Element Namespace (IRI)
• Version ...
• Access to other ontologies in the catalog for modularization
• Ontology elements can be referenced for reuse, integratio...
• Import and versioning through Git
Ontology Management in Git
• Import and versioning through Git
Ontology Management in Git
• Change Detection and Git Versioning
Ontology Management
Model-driven Development
Model-driven Forms
Data Validation
Get Started – NOW
Proof of Concept
1-2 weeks
MVP
3-4 weeks
Production
1-2 months
Experience data in context
Deliver meanin...
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Visual Ontology Modeling for Domain Experts and Business Users with metaphactory Slide 1 Visual Ontology Modeling for Domain Experts and Business Users with metaphactory Slide 2 Visual Ontology Modeling for Domain Experts and Business Users with metaphactory Slide 3 Visual Ontology Modeling for Domain Experts and Business Users with metaphactory Slide 4 Visual Ontology Modeling for Domain Experts and Business Users with metaphactory Slide 5 Visual Ontology Modeling for Domain Experts and Business Users with metaphactory Slide 6 Visual Ontology Modeling for Domain Experts and Business Users with metaphactory Slide 7 Visual Ontology Modeling for Domain Experts and Business Users with metaphactory Slide 8 Visual Ontology Modeling for Domain Experts and Business Users with metaphactory Slide 9 Visual Ontology Modeling for Domain Experts and Business Users with metaphactory Slide 10 Visual Ontology Modeling for Domain Experts and Business Users with metaphactory Slide 11 Visual Ontology Modeling for Domain Experts and Business Users with metaphactory Slide 12 Visual Ontology Modeling for Domain Experts and Business Users with metaphactory Slide 13 Visual Ontology Modeling for Domain Experts and Business Users with metaphactory Slide 14 Visual Ontology Modeling for Domain Experts and Business Users with metaphactory Slide 15
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Visual Ontology Modeling for Domain Experts and Business Users with metaphactory
Presentation at the OntoCommons Workshop on Ontology Engineering Tools @ Fri Mar 19, 2021

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Visual Ontology Modeling for Domain Experts and Business Users with metaphactory

  1. 1. Visual Ontology Modelling in metaphactory Peter Haase OntoCommons Workshop on Tools for Ontology Engineering 19.3.2021
  2. 2. metaphacts at a Glance § metaphacts GmbH § Founded in 2014 § Headquartered in Walldorf, Germany § International team across multiple locations § Independent software vendor § Privately-held, owner-managed company § metaphactory – Knowledge Graph Platform COMPANY FACTS Drive digital transformation by unlocking the value of your data assets with knowledge graphs. MISSION
  3. 3. • Knowledge Graph Modelling • Visual ontology modelling • Domain expert targeted KG management • End-user Oriented Interaction • Out-of-the-box knowledge graph exploration • Customization through apps • Knowledge Graph Application Building • Low-code platform with declarative templates • Data- and model-driven user experience and user interface design The metaphacts Approach - The Knowledge Graph is at the Core
  4. 4. Knowledge Graph Asset Management KNOWLEDGE GRAPH ASSETS Ontologies Vocabularies Datasets Mappings Rules
  5. 5. Building the Knowledge Graph Ontology Engineer Domain Expert Data Steward All stakeholders are empowered to actively participate in the modeling process Visual Ontology Modeling Agile processes for ontology design, implementation and documentation Example Ontology from the Life Sciences Domain
  6. 6. • Right expressivity • Class hierarchy, relations, attributes, constraints (domain, range, cardinalities) • Determined by typical needs in conceptual modelling and data integration ü Language for data stewards and subject matter experts • Language based on standards • OWL as established ontology language, but lack of constraints • Increasing relevance of SHACL as modeling language, support for SHACL by major database vendors ü Best of OWL + SHACL • Visual notation • Best practices and principles from conceptual modelling and ontology visualization • Clear correspondence of visual notation with syntax and semantics of the ontology language ü Integrated ontology design, implementation, and documentation Our Motivation for a Visual Ontology Modelling Language
  7. 7. Visual Modelling Notation 1) Classes 2) Relations 3) Attributes 4) Additional metadata Visual Ontology Exploration, Modelling and Documentation
  8. 8. • A visual, conceptual language which translates internally to OWL + SHACL Visual Ontology Exploration, Modelling and Documentation Full language reference & translation https://help.metaphacts.com/resource/Help:VisualOntologyEditing
  9. 9. • Title (dcterms:title) • Label (rdfs:label) • Description (dcterms:description) • Base Element Namespace (IRI) • Version info (owl:versionInfo) • Version IRI (owl:versionIRI) • Created (dcterms:created) • Creator (dcterms:creator) • Contributor (dcterms:contributor) • Imported ontologies (owl:imports) Ontology Metadata Management
  10. 10. • Access to other ontologies in the catalog for modularization • Ontology elements can be referenced for reuse, integration and alignment without changing their definition or ownership Networked Ontologies
  11. 11. • Import and versioning through Git Ontology Management in Git
  12. 12. • Import and versioning through Git Ontology Management in Git
  13. 13. • Change Detection and Git Versioning Ontology Management
  14. 14. Model-driven Development Model-driven Forms Data Validation
  15. 15. Get Started – NOW Proof of Concept 1-2 weeks MVP 3-4 weeks Production 1-2 months Experience data in context Deliver meaningful and actionable insights Empower end users Adapt as you go Drive digital transformation

Visual Ontology Modeling for Domain Experts and Business Users with metaphactory Presentation at the OntoCommons Workshop on Ontology Engineering Tools @ Fri Mar 19, 2021

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