Microsoft Open-Sources Knowledge Graph Ontology Design Tool
thisdudelikesAI · x · 2026-07-19
Microsoft has released an open-source tool named Ontology Playground, designed to help teams learn and understand ontology design before selecting a knowledge graph platform.
The project is a fully static React app that can be deployed without a backend, database, or hosting services. The tool comes with pre-built ontologies across six domains—retail, healthcare, finance, manufacturing, e-commerce, and education—to help users understand knowledge structures like entities, relationships, and attributes. Additionally, it offers a visual designer, structured learning paths, hands-on exercises, and RDF/XML export capabilities.
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