A KGX transformation of the BioPortal ontology Presence Ontology (PREO), produced by KG‑Bioportal. Nodes are ontology classes; edges are the relations between them.
Graph at a glance
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This ontology declares no imports, so its base graph already is its full graph; nothing separate was built.
The graph contains PREO_nodes.tsv and PREO_edges.tsv. Releases are incremental, so each link points at whichever release most recently rebuilt this ontology.
Biolink categories 1 category across 311 nodes
An item carrying more than one category is counted under each, so these counts can add up to more than the total.
Biolink categories 1 category across 321 edges
An item carrying more than one category is counted under each, so these counts can add up to more than the total.