@prefix : <https://www.databricks.com/blog/unlocking-investment-insights-without-migrating-your-data-lakehouse-federation#> .
@prefix cdx: <https://linkeddata.uriburner.com/DAV/demos/daas/ontology-terms#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix schema: <http://schema.org/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<> a schema:CreativeWork ;
    schema:about :meshupOntology ;
    schema:author <https://www.linkedin.com/in/kidehen#this> ;
    schema:dateCreated "2026-10-28T21:00:00+00:00"^^xsd:dateTime ;
    schema:dateModified "2026-10-28T21:00:00+00:00"^^xsd:dateTime ;
    schema:description "Ontology document for the Databricks Lakehouse Federation meshup. It states which comparison terms are reused from the corpus TBox alignment registry and defines the one term the collection mints, evidenceTier, with its label, comment, domain, range, functional characterization and cross-references."@en ;
    schema:inLanguage "en"@en ;
    schema:name "Meshup comparison vocabulary: ontology document"@en .

:evidenceTier a owl:DatatypeProperty,
        owl:FunctionalProperty ;
    rdfs:label "evidence tier"@en ;
    rdfs:comment "The tier of evidence behind a comparison dimension: demonstrated on this page, taken from the post, or stated by OpenLink."@en ;
    rdfs:domain cdx:ComparisonDimension ;
    rdfs:isDefinedBy :meshupOntology ;
    rdfs:range xsd:string ;
    rdfs:seeAlso schema:citation,
        schema:isBasedOn .

cdx:ComparisonDimension a owl:Class ;
    rdfs:label "ComparisonDimension"@en ;
    rdfs:comment "A named axis along which two or more subjects are compared."@en ;
    rdfs:isDefinedBy <https://linkeddata.uriburner.com/DAV/demos/daas/ontology-terms> .

:meshupOntology a owl:Ontology ;
    schema:description "The comparison vocabulary of this collection. Position, ofDimension, ofSubject, stance, hasRelation and ComparisonDimension are the canonical corpus terms of the TBox alignment registry and are bound with the cdx: prefix, not re-minted; the one term minted here records the evidence tier behind a position."@en ;
    schema:name "Meshup comparison vocabulary"@en ;
    rdfs:comment "Reuses the registry's Position, ofDimension, ofSubject, stance, hasRelation and ComparisonDimension (see the seeAlso links) and mints evidenceTier."@en ;
    rdfs:seeAlso cdx:ComparisonDimension,
        cdx:Position,
        cdx:hasRelation,
        cdx:ofDimension,
        cdx:ofSubject,
        cdx:stance ;
    owl:imports <https://linkeddata.uriburner.com/DAV/demos/daas/ontology-terms> .