# AUTHORED-BY Claude Opus 4.8 (Fable unavailable) — re-review/upgrade candidate # @prefix drawing: . @prefix core: . @prefix owl: . @prefix rdf: . @prefix rdfs: . @prefix xsd: . @prefix dcterms: . @prefix skos: . @prefix vann: . @prefix gufo: . # ============================================================================= # Solid Drawing & Whiteboard sector ontology (KEY=drawing). # # The whiteboard / diagramming domain — the sector an Excalidraw-style fork # declares it operates in (fedapp:sector). v1.0.0, authored gUFO-rooted from the # outset (the 5-OSS-fork FOUNDATION, not an OntoUML re-base). # # SCOPE — this file authors the SECTOR ONLY: the domain marker, a thin gUFO-rooted # Scene class to hang the SHACL shape + alignments off, and the property spine the # fork actually needs to round-trip a scene to a pod. The detailed drawing vocab # (draw: = https://w3id.org/jeswr/drawing#, with draw:Scene rdfs:subClassOf # schema:CreativeWork, draw:sceneDocument, draw:schemaVersion, draw:thumbnail) # ships in the SEPARATE @jeswr/solid-drawing repo; the alignment HOOKS to those # forthcoming draw: terms live in drawing-alignments.ttl (Mode A, annotation-only, # no entailment) so they can be authored here without forward-referencing an # unpublished ontology in the reasoned closure. # # CONTRACT (R8 §4): imports the gUFO Core; roots its one domain class transitively # in a Core class and carries its gUFO meta-type; CONSTRAINS, never forks; reuses # schema.org/dct in the companion alignments; ships drawing.shacl.ttl; carries # owl:versionInfo + a version IRI. Open-world by default; the SHACL profile carries # the closed-world MUST/SHOULD. # ============================================================================= a owl:Ontology ; dcterms:title "Solid Drawing & Whiteboard Sector Ontology"@en ; rdfs:label "Solid Drawing & Whiteboard Sector Ontology"@en ; vann:preferredNamespacePrefix "drawing" ; vann:preferredNamespaceUri "https://w3id.org/jeswr/sectors/drawing#" ; owl:imports ; owl:versionInfo "1.0.0" ; owl:versionIRI ; dcterms:description """The whiteboard / diagramming data sector — the domain a federated Excalidraw-style fork operates in. Authors the sector marker and a thin gUFO-rooted drawing:Scene (a core:InformationResource creative work) with the round-trip property spine (the opaque scene document, a schema version, an optional thumbnail). The detailed draw: vocabulary ships in the separate @jeswr/solid-drawing repo; this file aligns to those forthcoming terms and to schema:CreativeWork in the companion alignments file."""@en ; dcterms:modified "2026-06-21"^^xsd:date ; rdfs:comment "Foundation sector for the 5-OSS-fork initiative (Excalidraw)."@en . # ----------------------------------------------------------------------------- # Annotation-property declarations (F5 DL hygiene — match the Core pattern). # ----------------------------------------------------------------------------- dcterms:title a owl:AnnotationProperty . dcterms:description a owl:AnnotationProperty . dcterms:modified a owl:AnnotationProperty . vann:preferredNamespacePrefix a owl:AnnotationProperty . vann:preferredNamespaceUri a owl:AnnotationProperty . skos:definition a owl:AnnotationProperty . skos:scopeNote a owl:AnnotationProperty . # ============================================================================= # 1. SCENE (gufo:SubKind rooting in core:InformationResource) # A whiteboard/diagram scene is an information object — a creative work. The # detailed shape (elements, app-state, files) is opaque scene-document JSON that # the fork serialises; the LD layer carries the creative-work metadata + the # pointer to that document. Aligns to draw:Scene / schema:CreativeWork. # ============================================================================= drawing:Scene a owl:Class, gufo:SubKind ; rdfs:subClassOf core:InformationResource ; rdfs:label "Scene"@en ; skos:definition "A single whiteboard / diagram scene authored in a drawing app (an Excalidraw board) — a creative work whose detailed contents live in an opaque scene document. An information object about nothing external; the fork round-trips it to a pod. Aligns to draw:Scene (rdfs:subClassOf schema:CreativeWork) in the forthcoming @jeswr/solid-drawing vocabulary."@en ; skos:scopeNote "gufo:SubKind under core:InformationResource (its identity principle). The detailed draw: element vocabulary lives in the separate @jeswr/solid-drawing repo."@en . # ============================================================================= # Properties — the round-trip spine. Where one fits a Core property, sub-property # it (constrain, never widen); the opaque-document pointer is a plain property. # ============================================================================= drawing:sceneDocument a owl:ObjectProperty ; rdfs:domain drawing:Scene ; rdfs:range core:InformationResource ; rdfs:label "scene document"@en ; skos:definition "The opaque serialised scene document (the app-native JSON of elements + app-state + embedded files) that this scene's detailed contents live in — a separate pod resource the LD scene metadata points at. A plain object property (the pointed-at document is itself a core:InformationResource). Aligns to the forthcoming draw:sceneDocument."@en . drawing:schemaVersion a owl:DatatypeProperty ; rdfs:domain drawing:Scene ; rdfs:range xsd:string ; rdfs:label "schema version"@en ; skos:definition "The version of the app-native scene-document schema this scene was serialised against (the Excalidraw file 'version'), so a reader can migrate an older document. Aligns to the forthcoming draw:schemaVersion."@en . drawing:thumbnail a owl:ObjectProperty ; rdfs:subPropertyOf core:hasPart ; rdfs:domain drawing:Scene ; rdfs:range core:InformationResource ; rdfs:label "thumbnail"@en ; skos:definition "An optional rendered preview image of the scene (a PNG/SVG export resource), for listing a board without parsing its document. A sub-property of core:hasPart — the thumbnail is a derived part of the scene. Aligns to the forthcoming draw:thumbnail; schema:thumbnailUrl in the alignments."@en . # ============================================================================= # SECTOR MARKER — the IRI an app's fedapp:sector points at to declare it operates # in this sector (https://w3id.org/jeswr/fed#sector). A skos:Concept in the # federation sector register; dereferences to this ontology. # ============================================================================= a ; rdfs:label "Drawing & Whiteboard sector"@en ; rdfs:comment "The Drawing & Whiteboard data sector. The value an app's fedapp:sector names in its Client Identifier Document to declare it operates over whiteboard / diagramming data. Backed by this sector ontology."@en ; rdfs:isDefinedBy ; skos:prefLabel "Drawing & Whiteboard"@en .