Welcome to OntoMetrics

This is a web-based tool that validates and displays statistics about a given ontology.

You can simply upload your ontology source saved as an *.RDF or *.OWL file or enter a URL of a document or paste text from your clipboard into the textarea below.

Upload a file
Choose the metrics, you would like to calculate.

Base metrics
Schema metrics
Knowledgebase metrics
Class metrics *
Graph metrics

* Note: checking class metrics may cause long calculation times depending on the size of the ontology
I agree that my ontology will be stored on the server for further improvements of this program.