The Convention-based Ontology Generation System (COGS) gives you a powerful, patterns-based way to build ontologies that enables a clean separation of concerns and gives you full control over markup for enjoyable, agile development. COGS includes many features that enable fast, Test Driven Development for publishing sophisticated models in a variety of formats.

COGS is for domain experts and groups who value ease of collaboration and low technical barriers for participation.

• SDTL - Structured Data Transformation Language
  • https://github.com/ddialliance/sdtl [cogs]
  • https://ddialliance.org/sdtl
• DDI Lifecycle 4.0
  • https://github.com/ddialliance/ddimodel [cogs]
  • https://ddialliance.org/ddi-lifecycle

Publishable formats include:

• XML Schema
• JSON Schema
• OWL 2 (RDF Schema)
• ShEx
• SHACL
• LinkML
• OMG's UML Normative XMI 2.4.2
• OMG's UML XMI 2.5 with Diagrams and Diagram Exchange
• Sphinx HTML documentation and visualizations
• C# class library with JSON and XML serialization
• SVG and dot visualizations
• GraphQL schema language

Upcoming formats include:

• Class libraries for other languages

COGS runs on Windows, Linux, and macOS on the .NET Core 10 platform.

• https://www.microsoft.com/net/core/

Quick starts, Modelers Guide, and technical documentation is available.

• http://cogsdata.org/docs

COGS can be installed as a dotnet global tool from nuget

dotnet tool install -g cogs

COGS is licensed under the MIT license.