KG‑BioPortal
Prototype KG‑aware adaptation of the BioPortal interface. Graph pages generated from live KG‑Registry metadata; tool links go to the live BioPortal.
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CTONT

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Epoch Clinical Trial Ontology

KGXBioPortal ontologyv<table border="1"> <tr> <td> <b><i>Version</i></b> </td> <td> 0.97 </td> </tr> <tr> <td> <b><i>Date</i></b> </td> <td> 3/2/2007<br> </td> </tr> </table> <br>
Download KGX View on BioPortal
Visibility: Public

A KGX transformation of the BioPortal ontology Epoch Clinical Trial Ontology (CTONT), produced by KG‑Bioportal. Nodes are ontology classes; edges are the relations between them.

Graph at a glance

108
Nodes
139
Edges
<table border="1"> <tr> <td> <b><i>Version</i></b> </td> <td> 0.97 </td> </tr> <tr> <td> <b><i>Date</i></b> </td> <td> 3/2/2007<br> </td> </tr> </table> <br>
Version
2026-08-11
Transformed

Products & downloads

KGX
KGX nodes & edges
CTONT.tar.gz

Contains CTONT_nodes.tsv and CTONT_edges.tsv. Releases are incremental, so this points at whichever release most recently rebuilt this ontology.

Per-node-type (Biolink category) lists aren't recorded in the index for transformed ontologies — each node carries a category column in the KGX download. Total nodes: 108.

Per-edge-type (predicate) lists aren't recorded in the index for transformed ontologies — each edge carries predicate and relation columns in the KGX download. Total edges: 139.