René's URL Explorer Experiment

{
  "@context": {
    "brick": "https://brickschema.org/schema/Brick#",
    "csvw": "http://www.w3.org/ns/csvw#",
    "dc": "http://purl.org/dc/elements/1.1/",
    "dcam": "http://purl.org/dc/dcam/",
    "dcat": "http://www.w3.org/ns/dcat#",
    "dcmitype": "http://purl.org/dc/dcmitype/",
    "dcterms": "http://purl.org/dc/terms/",
    "doap": "http://usefulinc.com/ns/doap#",
    "foaf": "http://xmlns.com/foaf/0.1/",
    "geo": "http://www.opengis.net/ont/geosparql#",
    "odrl": "http://www.w3.org/ns/odrl/2/",
    "org": "http://www.w3.org/ns/org#",
    "owl": "http://www.w3.org/2002/07/owl#",
    "prof": "http://www.w3.org/ns/dx/prof/",
    "prov": "http://www.w3.org/ns/prov#",
    "qb": "http://purl.org/linked-data/cube#",
    "rdf": "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
    "rdfs": "http://www.w3.org/2000/01/rdf-schema#",
    "schema": "https://schema.org/",
    "sh": "http://www.w3.org/ns/shacl#",
    "skos": "http://www.w3.org/2004/02/skos/core#",
    "sosa": "http://www.w3.org/ns/sosa/",
    "ssn": "http://www.w3.org/ns/ssn/",
    "time": "http://www.w3.org/2006/time#",
    "vann": "http://purl.org/vocab/vann/",
    "void": "http://rdfs.org/ns/void#",
    "wgs": "https://www.w3.org/2003/01/geo/wgs84_pos#",
    "xsd": "http://www.w3.org/2001/XMLSchema#"
  },
  "@graph": [
    {
      "@id": "schema:ItemAvailability",
      "@type": "rdfs:Class",
      "rdfs:comment": "A list of possible product availability options.",
      "rdfs:label": "ItemAvailability",
      "rdfs:subClassOf": {
        "@id": "schema:Enumeration"
      }
    },
    {
      "@id": "schema:PreOrder",
      "@type": "schema:ItemAvailability",
      "rdfs:comment": "Indicates that the item is available for pre-order.",
      "rdfs:label": "PreOrder"
    }
  ]
}