AOP-Wiki RDF is an RDF representation of the AOP-Wiki, the authoring interface of the Adverse Outcome Pathway Knowledge Base. The AOP-Wiki XML export is converted to RDF/Turtle every week using the AOP Ontology (aopo) together with Dublin Core, CHEMINF and NCIT, and is enriched with gene mappings (gene names in key events matched to HGNC symbols and resolved to Ensembl, NCBI Gene, UniProt and Protein Ontology identifiers through BridgeDb) and chemical cross-references. AOPs, key events, key event relationships, biological events, stressors and chemicals get identifiers.org URIs and are linked to ChEBI, GO, PATO, UBERON, CL, NCBITaxon and HGNC. The 2026.08.15 release has about 340,000 triples, covering 595 AOPs, 1,595 key events, 2,360 key event relationships, 754 stressors and 430 chemicals. The data is served from a public SPARQL endpoint with a SNORQL query interface on top of it. A grlc REST API built from the same curated query library, a second endpoint holding every quarterly AOP-Wiki snapshot since 2018 as named graphs, and a dashboard for version-over-version trends are also available.
Graph at a glance
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Products & downloads
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