{
  "@context": {
    "fbu": "https://factbasedurology.com/vocab/",
    "schema": "https://schema.org/",
    "rdf": "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
    "rdfs": "http://www.w3.org/2000/01/rdf-schema#",
    "owl": "http://www.w3.org/2002/07/owl#",
    "sh": "http://www.w3.org/ns/shacl#",
    "xsd": "http://www.w3.org/2001/XMLSchema#"
  },

  "@graph": [

    {
      "@id": "https://factbasedurology.com/vocab/",
      "@type": "owl:Ontology",
      "rdfs:label": "FactBasedUrology Semantic Vocabulary",
      "rdfs:comment": "Ontology for the FBU Semantic Equilibrium Architecture: ring structure, dualities, semantic gravity, quantifier sets, mizan scoring, recurrent claims, and clinical metadata.",
      "schema:url": "https://factbasedurology.com/fbu-semantic-profile.html",
      "owl:versionInfo": "1.0"
    },

    { "@id": "fbu:RecurrentClaim", "@type": "owl:Class",
      "rdfs:label": "Recurrent Claim",
      "rdfs:comment": "A scientific or clinical principle repeated across sections.",
      "rdfs:subClassOf": "schema:Intangible"
    },

    { "@id": "fbu:RingMap", "@type": "owl:Class",
      "rdfs:label": "Ring Map",
      "rdfs:comment": "Chiastic structure A–B–C–D–C2–B2–A2.",
      "rdfs:subClassOf": "schema:Intangible"
    },

    { "@id": "fbu:MizanScore", "@type": "owl:Class",
      "rdfs:label": "Mizan Score",
      "rdfs:comment": "Balance score evaluating equilibrium and symmetry.",
      "rdfs:subClassOf": "schema:Intangible"
    },

    { "@id": "fbu:GravityNode", "@type": "owl:Class",
      "rdfs:label": "Gravity Node",
      "rdfs:comment": "Semantic Gravity concept: mass, pull, orbit, index.",
      "rdfs:subClassOf": "schema:Intangible"
    },

    { "@id": "fbu:BalancedAttributePair", "@type": "owl:Class",
      "rdfs:label": "Balanced Attribute Pair",
      "rdfs:comment": "Dual semantic complementary attributes."
    },

    { "@id": "fbu:DualityPair", "@type": "owl:Class",
      "rdfs:label": "Duality Pair",
      "rdfs:comment": "Natural opposites such as rigidity/flexibility, pressure/flow."
    },

    { "@id": "fbu:QuantifierSet", "@type": "owl:Class",
      "rdfs:label": "Quantifier Set",
      "rdfs:comment": "Numeric structural metrics."
    },

    { "@id": "fbu:CausalLink", "@type": "owl:Class",
      "rdfs:label": "Causal Link",
      "rdfs:comment": "Explicit cause–effect chain."
    },

    { "@id": "fbu:SemanticHub", "@type": "owl:Class",
      "rdfs:label": "Semantic Hub",
      "rdfs:comment": "Central thematic hub linking multiple articles."
    },

    {
      "@id": "fbu:centralClaim",
      "@type": "owl:ObjectProperty",
      "rdfs:label": "Central Claim",
      "rdfs:domain": "schema:ScholarlyArticle",
      "rdfs:range": "fbu:RecurrentClaim"
    },

    {
      "@id": "fbu:ringMapProperty",
      "@type": "owl:ObjectProperty",
      "rdfs:label": "Ring Map Property",
      "rdfs:domain": "schema:ScholarlyArticle",
      "rdfs:range": "fbu:RingMap"
    },

    {
      "@id": "fbu:mizanScore",
      "@type": "owl:ObjectProperty",
      "rdfs:label": "Mizan Score",
      "rdfs:domain": "schema:ScholarlyArticle",
      "rdfs:range": "fbu:MizanScore"
    },

    {
      "@id": "fbu:semanticGravity",
      "@type": "owl:ObjectProperty",
      "rdfs:label": "Semantic Gravity",
      "rdfs:domain": "schema:ScholarlyArticle",
      "rdfs:range": "fbu:GravityNode"
    },

    {
      "@id": "fbu:causalChain",
      "@type": "owl:ObjectProperty",
      "rdfs:label": "Causal Chain",
      "rdfs:domain": "schema:ScholarlyArticle",
      "rdfs:range": "fbu:CausalLink"
    },

    {
      "@id": "fbu:ArticleSemanticEquilibriumShape",
      "@type": "sh:NodeShape",
      "sh:targetClass": "schema:ScholarlyArticle",
      "sh:property": [
        {
          "sh:path": "fbu:centralClaim",
          "sh:minCount": 1,
          "sh:maxCount": 1
        },
        {
          "sh:path": "fbu:mizanScore",
          "sh:minCount": 1,
          "sh:maxCount": 1
        },
        {
          "sh:path": "fbu:QuantifierSet",
          "sh:minCount": 1
        },
        {
          "sh:path": "fbu:BalancedAttributePair",
          "sh:minCount": 1
        }
      ]
    }

  ]
}