This is the ontology of a dataset owned by SemanticArts.
The structure of the ontology is a forest composed by 12 trees. The overall number of classes is 167. Each tree is depicted with a different color. The max depth of the trees in the forest is 3.
Zooming into the visualization allow to get more labels about the nested classes.
Modified http://d3js.org/d3.v3.min.js to a secure url
https://d3js.org/d3.v3.min.js
https://wafi.iit.cnr.it/webvis/libs/jigmaps/zip.js
https://wafi.iit.cnr.it/webvis/libs/jigmaps/tree_utils.js