Status Minimum Viable Product Introduction The ontology viewer is a web-based tool for viewing ontologies expressed in the Web Ontology Language. Currently, we only have a publication of the IEC-CIM (which can be found here), but we hope to change this soon and publish more ontologies. If you have a suggestion for an ontology that you’d like to see published in our web interface, please leave us a message. video version How to use the Ontology viewer Below some quick suggestions on how to use the ontology viewer.