KG-Bioportal
KG-Bioportal transforms the ontologies hosted by BioPortal into KGX node and edge files, so each can be used as a knowledge graph. Transforms run monthly on GitHub Actions and every successful result is published as a release asset, alongside a manifest of per-ontology status and node/edge counts. Over a thousand ontologies are covered; the graph browser is the authoritative listing.
[{"category": "Organization", "contact_details": [{"contact_type": "email", "value": "support@bioontology.org"}, {"contact_type": "url", "value": "https://www.bioontology.org/"}], "label": "National Center for Biomedical Ontology (NCBO), Stanford"}]
[{"category": "GraphicalInterface", "description": "Browsable listing of every KG-Bioportal graph, with node and edge counts, transform status, and a download link for each. This is the canonical index of the transforms; KG-Registry does not mirror the full inventory.", "format": "http", "id": "kg-bioportal.browser", "name": "KG-Bioportal Graph Browser", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "kg-bioportal"}], "product_url": "https://ncbo.github.io/kg-bioportal/graphs/", "secondary_source": [{"relation_type": "prov:wasDerivedFrom", "source": "bioportal"}]}, {"category": "Product", "description": "Manifest of every transform attempt, giving the BioPortal acronym, status, node and edge counts, source submission, and release download URL for each ontology. Refreshed with each monthly transform run.", "format": "yaml", "id": "kg-bioportal.manifest", "name": "KG-Bioportal Transform Manifest", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "kg-bioportal"}], "product_file_size": 341106, "product_url": "https://github.com/ncbo/kg-bioportal/releases/latest/download/onto_stats.yaml", "secondary_source": [{"relation_type": "prov:wasDerivedFrom", "source": "bioportal"}]}, {"category": "GraphProduct", "compression": "targz", "description": "KGX TSV graphs for all successfully transformed BioPortal ontologies, published as one gzipped tar archive per ontology on the latest release. Individual archives are at https://github.com/ncbo/kg-bioportal/releases/latest/download/<ACRONYM>.tar.gz and contain <ACRONYM>_nodes.tsv and <ACRONYM>_edges.tsv.", "format": "kgx", "id": "kg-bioportal.graphs", "latest_version": "latest", "name": "KG-Bioportal KGX Graphs", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "kg-bioportal"}], "product_url": "https://github.com/ncbo/kg-bioportal/releases/latest", "secondary_source": [{"relation_type": "prov:wasDerivedFrom", "source": "bioportal"}]}, {"category": "ProcessProduct", "description": "Python package and GitHub Actions workflow that download BioPortal ontologies and convert them to KGX with ROBOT and the KGX toolkit.", "format": "python", "id": "kg-bioportal.code", "name": "KG-Bioportal Transform Pipeline", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "kg-bioportal"}], "product_url": "https://github.com/ncbo/kg-bioportal"}]
{"activity_status": "active", "category": "Aggregator", "contacts": [{"category": "Organization", "contact_details": [{"contact_type": "email", "value": "support@bioontology.org"}, {"contact_type": "url", "value": "https://www.bioontology.org/"}], "label": "National Center for Biomedical Ontology (NCBO), Stanford"}], "creation_date": "2026-08-06T00:00:00Z", "description": "KG-Bioportal transforms the ontologies hosted by BioPortal into KGX node and edge files, so each can be used as a knowledge graph. Transforms run monthly on GitHub Actions and every successful result is published as a release asset, alongside a manifest of per-ontology status and node/edge counts. Over a thousand ontologies are covered; the graph browser is the authoritative listing.", "domains": ["biomedical", "clinical", "information technology", "general"], "homepage_url": "https://ncbo.github.io/kg-bioportal/", "id": "kg-bioportal", "last_modified_date": "2026-08-06T00:00:00Z", "layout": "resource_detail", "license": {"id": "https://www.bioontology.org/terms/", "label": "BioPortal Terms of Use (individual ontologies carry their own licenses)"}, "name": "KG-Bioportal", "products": [{"category": "GraphicalInterface", "description": "Browsable listing of every KG-Bioportal graph, with node and edge counts, transform status, and a download link for each. This is the canonical index of the transforms; KG-Registry does not mirror the full inventory.", "format": "http", "id": "kg-bioportal.browser", "name": "KG-Bioportal Graph Browser", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "kg-bioportal"}], "product_url": "https://ncbo.github.io/kg-bioportal/graphs/", "secondary_source": [{"relation_type": "prov:wasDerivedFrom", "source": "bioportal"}]}, {"category": "Product", "description": "Manifest of every transform attempt, giving the BioPortal acronym, status, node and edge counts, source submission, and release download URL for each ontology. Refreshed with each monthly transform run.", "format": "yaml", "id": "kg-bioportal.manifest", "name": "KG-Bioportal Transform Manifest", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "kg-bioportal"}], "product_file_size": 341106, "product_url": "https://github.com/ncbo/kg-bioportal/releases/latest/download/onto_stats.yaml", "secondary_source": [{"relation_type": "prov:wasDerivedFrom", "source": "bioportal"}]}, {"category": "GraphProduct", "compression": "targz", "description": "KGX TSV graphs for all successfully transformed BioPortal ontologies, published as one gzipped tar archive per ontology on the latest release. Individual archives are at https://github.com/ncbo/kg-bioportal/releases/latest/download/<ACRONYM>.tar.gz and contain <ACRONYM>_nodes.tsv and <ACRONYM>_edges.tsv.", "format": "kgx", "id": "kg-bioportal.graphs", "latest_version": "latest", "name": "KG-Bioportal KGX Graphs", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "kg-bioportal"}], "product_url": "https://github.com/ncbo/kg-bioportal/releases/latest", "secondary_source": [{"relation_type": "prov:wasDerivedFrom", "source": "bioportal"}]}, {"category": "ProcessProduct", "description": "Python package and GitHub Actions workflow that download BioPortal ontologies and convert them to KGX with ROBOT and the KGX toolkit.", "format": "python", "id": "kg-bioportal.code", "name": "KG-Bioportal Transform Pipeline", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "kg-bioportal"}], "product_url": "https://github.com/ncbo/kg-bioportal"}], "repository": "https://github.com/ncbo/kg-bioportal"}