RDF describes information, RDFS describes properties and classes, and OWL adds richer class and property constraints; SKOS is a listed Semantic Web knowledge-organization standard.

{
  "claim_id": "claim:synthesis:105a10a7b497c88a3528",
  "claim_type": "synthesized_definition",
  "statement": "RDF describes information, RDFS describes properties and classes, and OWL adds richer class and property constraints; SKOS is a listed Semantic Web knowledge-organization standard.",
  "evidence_unit_ids": [
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  ],
  "origin": "model_synthesis",
  "semantic_concept_key": "semantic-web-and-linked-data",
  "semantic_claim_key": "representation-layers",
  "synthesis_run_id": "synthesis:edition:knowledge-systems:0d68ea40a763074b",
  "confidence": 0.8
}