SKOS
SKOS (Simple Knowledge Organization System) is a W3C recommendation designed for representation of thesauri, classification schemes, taxonomies, subject-heading systems, or any other type of structured controlled vocabulary.
[]
[{"category": "DataModelProduct", "description": "SKOS Namespace Document - RDF/XML Variant", "format": "rdfxml", "id": "skos.rdf", "name": "SKOS RDF/XML", "product_file_size": 28966, "product_url": "https://www.w3.org/2009/08/skos-reference/skos.rdf"}, {"category": "DataModelProduct", "description": "SKOS Core Vocabulary Specification", "format": "http", "id": "skos.core", "name": "SKOS Core", "product_url": "https://www.w3.org/TR/swbp-skos-core-spec/"}, {"category": "DocumentationProduct", "description": "SKOS Simple Knowledge Organization System Reference", "format": "http", "id": "skos.reference", "name": "SKOS Reference", "product_url": "https://www.w3.org/TR/skos-reference/"}, {"category": "OntologyProduct", "description": "The latest release of EFO in OWL format", "format": "owl", "id": "efo.owl", "name": "EFO OWL", "original_source": ["bfo", "bto", "chebi", "cl", "clo", "cob", "dc", "doid", "ecto", "efo", "fbbt", "fbdv", "fma", "go", "hancestro", "hp", "iao", "ido", "ma", "mondo", "mp", "mpath", "ncbitaxon", "ncit", "oba", "obi", "ogms", "oio", "omit", "omo", "ordo", "pato", "po", "pr", "ro", "semapv", "skos", "so", "to", "uberon", "uo", "wbls", "zfa"], "product_file_size": 240665663, "product_url": "https://www.ebi.ac.uk/efo/efo.owl", "secondary_source": ["efo"]}, {"category": "OntologyProduct", "description": "The latest release of EFO in OBO format", "format": "obo", "id": "efo.obo", "name": "EFO OBO", "original_source": ["bfo", "bto", "chebi", "cl", "clo", "cob", "dc", "doid", "ecto", "efo", "fbbt", "fbdv", "fma", "go", "hancestro", "hp", "iao", "ido", "ma", "mondo", "mp", "mpath", "ncbitaxon", "ncit", "oba", "obi", "ogms", "oio", "omit", "omo", "ordo", "pato", "po", "pr", "ro", "semapv", "skos", "so", "to", "uberon", "uo", "wbls", "zfa"], "product_file_size": 64058275, "product_url": "https://www.ebi.ac.uk/efo/efo.obo", "secondary_source": ["efo"]}, {"category": "OntologyProduct", "description": "Cell Line Ontology in OWL format", "format": "owl", "id": "clo.owl", "name": "clo.owl", "product_file_size": 2121232, "product_url": "http://purl.obolibrary.org/obo/clo.owl"}, {"category": "OntologyProduct", "description": "EDAM OWL release", "format": "owl", "id": "edam.owl", "name": "EDAM OWL", "original_source": ["edam", "dc", "skos"], "product_file_size": 3373041, "product_url": "http://edamontology.org/EDAM.owl", "secondary_source": ["edam"]}, {"category": "OntologyProduct", "description": "EDAM TSV export", "format": "tsv", "id": "edam.tsv", "name": "EDAM TSV", "original_source": ["edam", "dc", "skos"], "product_file_size": 1977072, "product_url": "https://edamontology.org/EDAM.tsv", "secondary_source": ["edam"]}, {"category": "OntologyProduct", "description": "EDAM CSV export", "format": "csv", "id": "edam.csv", "name": "EDAM CSV", "original_source": ["edam", "dc", "skos"], "product_file_size": 1977072, "product_url": "https://edamontology.org/EDAM.csv", "secondary_source": ["edam"]}, {"category": "OntologyProduct", "description": "OWL release of Monochrom Ontology", "format": "owl", "id": "chr.model.owl", "name": "Monochrom Ontology OWL release", "original_source": ["ro", "go", "ncbitaxon", "iao", "geno", "skos", "gff"], "product_file_size": 102365, "product_url": "https://raw.githubusercontent.com/monarch-initiative/monochrom/refs/heads/master/chr.owl", "secondary_source": ["chr"]}, {"category": "GraphProduct", "description": "Downloadable knowledge graph dump in TAR/GZ format containing complete FORUM data", "id": "forum.graph.dump", "name": "FORUM Knowledge Graph Dump", "original_source": ["mesh", "chebi", "cito", "fabio", "dc", "cheminf", "skos", "chemont", "pubchem", "pubmed"], "product_url": "ftp://forum:Forum2021Cov!@ftp.semantic-metabolomics.org/dumps/2021/share.tar.gz", "secondary_source": ["forum"], "warnings": ["File was not able to be retrieved when checked on 2026-04-07: FTP error: timed out", "File was not able to be retrieved when checked on 2026-03-30_ FTP error_ timed out", "File was not able to be retrieved when checked on 2026-04-10: FTP error: timed out"]}, {"category": "OntologyProduct", "description": "OpenBioDiv-O, the OpenBiodiv Ontology", "format": "ttl", "id": "openbiodiv.ontology.ttl", "is_public": true, "name": "OpenBioDiv-O", "original_source": ["skos", "proton", "fabio", "doco", "openbiodiv"], "product_file_size": 8176, "product_url": "https://raw.githubusercontent.com/pensoft/OpenBiodiv/refs/heads/master/ontology/openbiodiv-ontology-latest.ttl", "secondary_source": ["openbiodiv"]}]
{"activity_status": "active", "category": "DataModel", "creation_date": "2025-06-25T00:00:00Z", "description": "SKOS (Simple Knowledge Organization System) is a W3C recommendation designed for representation of thesauri, classification schemes, taxonomies, subject-heading systems, or any other type of structured controlled vocabulary.", "domains": ["upper"], "homepage_url": "https://www.w3.org/2004/02/skos/", "id": "skos", "last_modified_date": "2026-02-20T00:00:00Z", "layout": "resource_detail", "license": {"id": "https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document", "label": "W3C Software and Document License"}, "name": "SKOS", "products": [{"category": "DataModelProduct", "description": "SKOS Namespace Document - RDF/XML Variant", "format": "rdfxml", "id": "skos.rdf", "name": "SKOS RDF/XML", "product_file_size": 28966, "product_url": "https://www.w3.org/2009/08/skos-reference/skos.rdf"}, {"category": "DataModelProduct", "description": "SKOS Core Vocabulary Specification", "format": "http", "id": "skos.core", "name": "SKOS Core", "product_url": "https://www.w3.org/TR/swbp-skos-core-spec/"}, {"category": "DocumentationProduct", "description": "SKOS Simple Knowledge Organization System Reference", "format": "http", "id": "skos.reference", "name": "SKOS Reference", "product_url": "https://www.w3.org/TR/skos-reference/"}, {"category": "OntologyProduct", "description": "The latest release of EFO in OWL format", "format": "owl", "id": "efo.owl", "name": "EFO OWL", "original_source": ["bfo", "bto", "chebi", "cl", "clo", "cob", "dc", "doid", "ecto", "efo", "fbbt", "fbdv", "fma", "go", "hancestro", "hp", "iao", "ido", "ma", "mondo", "mp", "mpath", "ncbitaxon", "ncit", "oba", "obi", "ogms", "oio", "omit", "omo", "ordo", "pato", "po", "pr", "ro", "semapv", "skos", "so", "to", "uberon", "uo", "wbls", "zfa"], "product_file_size": 240665663, "product_url": "https://www.ebi.ac.uk/efo/efo.owl", "secondary_source": ["efo"]}, {"category": "OntologyProduct", "description": "The latest release of EFO in OBO format", "format": "obo", "id": "efo.obo", "name": "EFO OBO", "original_source": ["bfo", "bto", "chebi", "cl", "clo", "cob", "dc", "doid", "ecto", "efo", "fbbt", "fbdv", "fma", "go", "hancestro", "hp", "iao", "ido", "ma", "mondo", "mp", "mpath", "ncbitaxon", "ncit", "oba", "obi", "ogms", "oio", "omit", "omo", "ordo", "pato", "po", "pr", "ro", "semapv", "skos", "so", "to", "uberon", "uo", "wbls", "zfa"], "product_file_size": 64058275, "product_url": "https://www.ebi.ac.uk/efo/efo.obo", "secondary_source": ["efo"]}, {"category": "OntologyProduct", "description": "Cell Line Ontology in OWL format", "format": "owl", "id": "clo.owl", "name": "clo.owl", "product_file_size": 2121232, "product_url": "http://purl.obolibrary.org/obo/clo.owl"}, {"category": "OntologyProduct", "description": "EDAM OWL release", "format": "owl", "id": "edam.owl", "name": "EDAM OWL", "original_source": ["edam", "dc", "skos"], "product_file_size": 3373041, "product_url": "http://edamontology.org/EDAM.owl", "secondary_source": ["edam"]}, {"category": "OntologyProduct", "description": "EDAM TSV export", "format": "tsv", "id": "edam.tsv", "name": "EDAM TSV", "original_source": ["edam", "dc", "skos"], "product_file_size": 1977072, "product_url": "https://edamontology.org/EDAM.tsv", "secondary_source": ["edam"]}, {"category": "OntologyProduct", "description": "EDAM CSV export", "format": "csv", "id": "edam.csv", "name": "EDAM CSV", "original_source": ["edam", "dc", "skos"], "product_file_size": 1977072, "product_url": "https://edamontology.org/EDAM.csv", "secondary_source": ["edam"]}, {"category": "OntologyProduct", "description": "OWL release of Monochrom Ontology", "format": "owl", "id": "chr.model.owl", "name": "Monochrom Ontology OWL release", "original_source": ["ro", "go", "ncbitaxon", "iao", "geno", "skos", "gff"], "product_file_size": 102365, "product_url": "https://raw.githubusercontent.com/monarch-initiative/monochrom/refs/heads/master/chr.owl", "secondary_source": ["chr"]}, {"category": "GraphProduct", "description": "Downloadable knowledge graph dump in TAR/GZ format containing complete FORUM data", "id": "forum.graph.dump", "name": "FORUM Knowledge Graph Dump", "original_source": ["mesh", "chebi", "cito", "fabio", "dc", "cheminf", "skos", "chemont", "pubchem", "pubmed"], "product_url": "ftp://forum:Forum2021Cov!@ftp.semantic-metabolomics.org/dumps/2021/share.tar.gz", "secondary_source": ["forum"], "warnings": ["File was not able to be retrieved when checked on 2026-04-07: FTP error: timed out", "File was not able to be retrieved when checked on 2026-03-30_ FTP error_ timed out", "File was not able to be retrieved when checked on 2026-04-10: FTP error: timed out"]}, {"category": "OntologyProduct", "description": "OpenBioDiv-O, the OpenBiodiv Ontology", "format": "ttl", "id": "openbiodiv.ontology.ttl", "is_public": true, "name": "OpenBioDiv-O", "original_source": ["skos", "proton", "fabio", "doco", "openbiodiv"], "product_file_size": 8176, "product_url": "https://raw.githubusercontent.com/pensoft/OpenBiodiv/refs/heads/master/ontology/openbiodiv-ontology-latest.ttl", "secondary_source": ["openbiodiv"]}], "publications": [{"authors": ["Alistair Miles", "Sean Bechhofer"], "doi": "10.1016/j.websem.2009.06.001", "id": "doi:10.1016/j.websem.2009.06.001", "journal": "Web Semantics: Science, Services and Agents on the World Wide Web", "title": "SKOS Simple Knowledge Organization System Reference", "year": "2009"}], "repository": "https://github.com/w3c/skos", "version": "SKOS Reference (August 18, 2009)"}