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tbox: v1.5 - PhysicalRelation devient DataStructure et point d'extension declare pour le non-tabulaire, hasSource devient sourcedFrom vers un System instancie, storedIn sert deux granularites et deprecie materializedAs, references devient qualifiedBy, primaryLocation sous-propriete de storedIn, hasShortLabel sur 34 classes. CuratedObject devient DefinedObject et ObservedObject devient CapturedObject jusque dans les IRI, curationMode devient authoringMode. Correction de fond : PhysicalLayerObject ne porte plus la provenance, chaque classe de la couche la declare - un System est defined, tout ce qui est en dessous est captured. instances: 5 systemes crees, 151 sourcedFrom, 15 BO nettoyes de hasSource, labels courts, versions alignees

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Bastien Gourdon
2026-07-30 15:13:03 +02:00
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ontology/pr_metamodel.ttl
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@@ -7,11 +7,79 @@
@prefix pr: <https://ontology.pernod-ricard.com/metamodel/> .
#################################################################
# PERNOD RICARD DATA META MODEL - T-Box v1.2
# PERNOD RICARD DATA META MODEL - T-Box v1.5
# Owner: Bastien Gourdon - Data Governance Office
#
# WHAT CHANGED vs v1.1
# WHAT CHANGED vs v1.4
# --------------------
# CuratedObject -> DefinedObject, ObservedObject -> CapturedObject, in the
# IRIs and not only in the labels. v1.4 renamed what screens showed and left
# the terms themselves untouched, so the model said one thing and the
# interface another -- exactly the split the short-label work was meant to
# end. Every reference follows: subclass declarations, the disjointness
# axiom, the shapes and their messages, and the prose in the comments.
#
# No instance changes. Nothing in the A-Box ever named these two classes
# directly: an object reaches them through its layer, by entailment. The old
# IRIs are kept deprecated per LC-002 so a domain file written against them
# still classifies.
#
# WHAT CHANGED vs v1.3 (kept for reference)
# -----------------------------------------
# A. PhysicalRelation -> DataStructure. "Relation" meant a table in Codd's
# sense, which reads as a property in an ontology and locks the class into
# the tabular world. A Neo4j node label, a Mongo collection and a Kafka
# topic are data structures; none of them is a relation. The class is also
# the declared EXTENSION POINT for non-tabular storage -- see its comment
# for the four lines that would insert Dataset and Graph beneath it.
#
# B. hasSource -> sourcedFrom, pointing at a System instead of holding a
# string. "Which objects depend on MDM Product?" was unanswerable because
# MDM Product was text. It also settles the naming collision the string
# created with BIDataSource: one names a system, the other a BI surface,
# and now they are different kinds of thing rather than two readings of
# one property.
#
# C. storedIn serves two granularities, like represents before it:
# DataObject storedIn DataStructure
# DataElement storedIn Field
# materializedAs is therefore redundant and deprecated. The seam between
# what governance defines and what a harvester captures now counts ONE
# relation instead of two.
#
# D. inSchema moves from DataStructure to nothing declared, and must stay
# OPTIONAL in the shapes. Neo4j has no schema and BigQuery calls the level
# a dataset; a minCount 1 would break on the first non-Snowflake harvest.
#
# WHAT CHANGED vs v1.2 (kept for reference)
# -----------------------------------------
# A. references -> qualifiedBy. "References" named the mechanism, a foreign
# key; qualifiedBy names the reason: the Sell Out dataset is qualified by
# Product, Customer, Currency and Date. It reads without explanation, and
# it is what gives a fact its grain and its analysis context.
#
# B. primaryLocation, a SUB-PROPERTY of storedIn. One Data Element can sit in
# several Fields, one authoritative and the others copies. Two parallel
# properties would be free to disagree -- a field marked primary in one and
# missing from the other. As a sub-property, entailment guarantees the
# primary location is always among the locations. Primary/replica rather
# than master/slave, which the industry has moved away from and which
# reads badly to a business audience.
#
# C. hasShortLabel. rdfs:label carries the exhaustive name (Data Domain, Sell
# Out Data Hub - Gold), hasShortLabel the one screens use (Domain, SODH
# Gold). Same object was being called two things depending on where you
# looked; now both names are declared and the viewers stop hard-coding a
# display dictionary of their own.
#
# D. hasSource is now forbidden on a Business Object as well as on a Business
# Concept. Same argument: a Business Object is a governance grouping, not
# data. Its data lives in the Data Objects that represent it, and those
# carry the system. In v0.6 the 15 objects carried a grab-bag -- physical
# locations, migration notes, arbitration remarks -- under one property.
#
# WHAT CHANGED vs v1.1 (kept for reference)
# -----------------------------------------
# A. physicalizedIn -> storedIn. "Physicalized in" is jargon; the relation
# says where the data sits, and "stored in" says that to anyone.
#
@@ -103,7 +171,7 @@
# one Product Owner: it is a consumable, and there must be no ambiguity
# about who runs it.
#
# G. realizesMetric KEPT AS A TRANSITIONAL CONTROL
# G. exposesMetric KEPT AS A TRANSITIONAL CONTROL
# Declared, required on certified BI fields, and that is all. No rule is
# written against the lineage chain: making the assertion conditional on
# intermediate mappings existing would create confusion and discourage
@@ -122,11 +190,11 @@
# freeze the term namespace and version the ontology document.
# MIGRATION: sed -i 's|/metamodel/0.9/|/metamodel/|g' instances/*.ttl
#
# 2. NEW ORTHOGONAL AXIS: CuratedObject vs ObservedObject.
# 2. NEW ORTHOGONAL AXIS: DefinedObject vs CapturedObject.
# LAYER says WHAT an object is. PROVENANCE says HOW IT GOT HERE.
# - CuratedObject : asserted by governance, edited via pull request,
# - DefinedObject : written by governance, edited via pull request,
# subject to the full ownership shape.
# - ObservedObject: harvested from a running system, rebuilt every night,
# - CapturedObject: read from a running system, rebuilt every night,
# NEVER hand-edited, NOT required to carry owningDomain.
# Without this split, the SHACL ownership shape would demand an owning Data
# Domain and a named owner on every one of the ~50 000 Snowflake columns.
@@ -136,7 +204,7 @@
# Transformation, plus column-level lineage (derivedFrom).
#
# 4. NEW CONSUMPTION LAYER (Tableau + Looker).
# BIWorkspace / BIDataSource / BIField / BIReport, plus realizesMetric,
# BIWorkspace / BIDataSource / BIField / BIReport, plus exposesMetric,
# which closes the loop between a certified Metric and its actual
# implementations in the BI estate.
#
@@ -151,13 +219,13 @@
<https://ontology.pernod-ricard.com/metamodel/>
a owl:Ontology ;
owl:versionIRI <https://ontology.pernod-ricard.com/metamodel/1.2> ;
owl:priorVersion <https://ontology.pernod-ricard.com/metamodel/1.1> ;
owl:versionIRI <https://ontology.pernod-ricard.com/metamodel/1.5> ;
owl:priorVersion <https://ontology.pernod-ricard.com/metamodel/1.4> ;
dcterms:title "Pernod Ricard Data Meta Model" ;
dcterms:creator "Bastien Gourdon" ;
dcterms:modified "2026-07-27"^^xsd:date ;
owl:versionInfo "1.2.0-draft-2026-07-27" ;
rdfs:comment """OWL T-Box. Six layers (Ownership, Business, Logical, Delivery, Physical, Consumption) crossed with a provenance axis (Curated vs Observed). Curated objects are asserted by governance and reviewed; Observed objects are harvested from Snowflake, Tableau and Looker and are rebuilt, never edited. Bridge annotation properties are declared for future alignment with domain ontologies.""" .
dcterms:modified "2026-07-30"^^xsd:date ;
owl:versionInfo "1.5.0-draft-2026-07-30" ;
rdfs:comment """OWL T-Box. Six layers (Ownership, Business, Logical, Delivery, Physical, Consumption) crossed with a provenance axis (Defined vs Captured). Defined objects are written by governance and reviewed; Captured objects are read from Snowflake, Tableau and Looker and are rebuilt, never edited. Bridge annotation properties are declared for future alignment with domain ontologies.""" .
#################################################################
@@ -187,11 +255,11 @@ pr:denotesActivity a owl:AnnotationProperty ;
# ---- Operational documentation --------------------------------
pr:harvestSource a owl:AnnotationProperty ;
rdfs:label "harvest source" ;
rdfs:comment "For Observed terms: the system view or API that populates this term. Documents the contract between the meta model and the harvester." .
rdfs:comment "For Captured terms: the system view or API that populates this term. Documents the contract between the meta model and the harvester." .
pr:curationMode a owl:AnnotationProperty ;
rdfs:label "curation mode" ;
rdfs:comment "ASSERTED (governance writes it), HARVESTED (a job writes it) or PROPOSED_CONFIRMED (a job proposes, a steward confirms)." .
pr:authoringMode a owl:AnnotationProperty ;
rdfs:label "authoring mode" ;
rdfs:comment "Who writes this, in practice: ASSERTED (a person does), HARVESTED (a job does) or PROPOSED_CONFIRMED (a job proposes and a person accepts). Renamed from curationMode along with the classes: 'curation' belonged to the same jargon family as 'curated'." .
#################################################################
@@ -200,79 +268,106 @@ pr:curationMode a owl:AnnotationProperty ;
pr:MetaModelObject a owl:Class ;
rdfs:label "Meta Model Object" ;
rdfs:comment "Anything the meta model describes. Actors are deliberately NOT Meta Model Objects." .
rdfs:comment "Anything the meta model describes. Actors are deliberately NOT Meta Model Objects." ;
pr:hasShortLabel "Meta model object" .
pr:CuratedObject a owl:Class ; rdfs:subClassOf pr:MetaModelObject ;
rdfs:label "Curated Object" ;
pr:curationMode "ASSERTED" ;
rdfs:comment "Asserted by governance, edited through pull request on the domain TTL file, subject to the full ownership and lifecycle shape (identifier, name, owner, owning Data Domain, status, version)." .
pr:DefinedObject a owl:Class ; rdfs:subClassOf pr:MetaModelObject ;
rdfs:label "Defined Object" ;
pr:hasShortLabel "Defined" ;
pr:authoringMode "ASSERTED" ;
rdfs:comment "Somebody decided it. Written by governance, edited through a pull request on the domain TTL file, and subject to the full identity and lifecycle shape: identifier, name, owner, owning Data Domain, status, version." .
pr:ObservedObject a owl:Class ; rdfs:subClassOf pr:MetaModelObject ;
rdfs:label "Observed Object" ;
pr:curationMode "HARVESTED" ;
rdfs:comment "Harvested from a running system and rebuilt on every run. Never hand-edited. Carries sourceIdentifier, fullyQualifiedName and harvestedOn instead of curated ownership: attribution is INFERRED through the Data Element it is mapped to, not asserted on the node." .
pr:CuratedObject a owl:Class ;
rdfs:label "Curated Object (deprecated)" ;
owl:deprecated true ; dcterms:isReplacedBy pr:DefinedObject ;
rdfs:comment "v1.4 term. Renamed because 'curated' is governance jargon; 'defined' says the same thing to a business reader. No instance ever named this class directly." .
pr:OwnershipLayerObject a owl:Class ; rdfs:subClassOf pr:CuratedObject ;
pr:CapturedObject a owl:Class ; rdfs:subClassOf pr:MetaModelObject ;
rdfs:label "Captured Object" ;
pr:hasShortLabel "Captured" ;
pr:authoringMode "HARVESTED" ;
rdfs:comment "Read from a running system and rebuilt on every run. Never hand-edited. Carries sourceIdentifier, fullyQualifiedName and harvestedOn instead of declared ownership: attribution is INFERRED through the Data Element it is mapped to, never asserted on the node." .
pr:ObservedObject a owl:Class ;
rdfs:label "Observed Object (deprecated)" ;
owl:deprecated true ; dcterms:isReplacedBy pr:CapturedObject ;
rdfs:comment "v1.4 term. Renamed because 'observed' is passive and technical; 'captured' says where it came from. No instance ever named this class directly." .
pr:OwnershipLayerObject a owl:Class ; rdfs:subClassOf pr:DefinedObject ;
rdfs:label "Ownership & Categorization Layer Object" .
pr:BusinessLayerObject a owl:Class ; rdfs:subClassOf pr:CuratedObject ;
pr:BusinessLayerObject a owl:Class ; rdfs:subClassOf pr:DefinedObject ;
rdfs:label "Business Layer Object" .
pr:LogicalLayerObject a owl:Class ; rdfs:subClassOf pr:CuratedObject ;
pr:LogicalLayerObject a owl:Class ; rdfs:subClassOf pr:DefinedObject ;
rdfs:label "Logical Layer Object" ;
rdfs:comment "How the data is structured." .
pr:DeliveryLayerObject a owl:Class ; rdfs:subClassOf pr:CuratedObject ;
pr:DeliveryLayerObject a owl:Class ; rdfs:subClassOf pr:DefinedObject ;
rdfs:label "Delivery Layer Object" ;
rdfs:comment "What we promise, to whom, until when. A different question from how the data is structured, hence a layer of its own: version, owner, changelog, support channel, consumers to warn." .
pr:PhysicalLayerObject a owl:Class ; rdfs:subClassOf pr:ObservedObject ;
rdfs:label "Physical Layer Object" .
pr:ConsumptionLayerObject a owl:Class ; rdfs:subClassOf pr:ObservedObject ;
pr:PhysicalLayerObject a owl:Class ; rdfs:subClassOf pr:MetaModelObject ;
rdfs:label "Physical Layer Object" ;
rdfs:comment """The one layer whose members do NOT share a provenance, which is why this class -- unlike the other five layer roots -- says nothing about it.
A System is DEFINED: somebody decides that MDM Product is a system worth tracking, and names it. Nobody harvests the list of systems that matter. Everything beneath a system is CAPTURED: databases, schemas, data structures, fields, keys and transformations are read from what is running.
Until v1.4 this class was itself declared a kind of Captured Object, which made every physical class captured by construction and put the five seeded Systems in breach of the harvest rules. The two axes are meant to be orthogonal; that shortcut collapsed them.""" .
pr:ConsumptionLayerObject a owl:Class ; rdfs:subClassOf pr:CapturedObject ;
rdfs:label "Consumption Layer Object" ;
rdfs:comment "The BI estate. Separate from Physical because BI assets have their own lifecycle and their own owner: a dashboard belongs to its author, not to the Data Domain that owns the underlying data." .
rdfs:comment "The BI estate. Separate from Physical because BI assets have their own lifecycle and their own owner: a dashboard belongs to its author, not to the Data Domain that owns the underlying data." ;
pr:hasShortLabel "Consumption" .
#################################################################
# LAYER 1 - OWNERSHIP & CATEGORIZATION (curated)
# LAYER 1 - OWNERSHIP & CATEGORIZATION (defined)
#################################################################
pr:DataDomain a owl:Class ; rdfs:subClassOf pr:OwnershipLayerObject ;
rdfs:label "Data Domain" .
rdfs:label "Data Domain" ;
pr:hasShortLabel "Domain" .
pr:SubDomain a owl:Class ; rdfs:subClassOf pr:OwnershipLayerObject ;
rdfs:label "Sub-Domain" .
rdfs:label "Sub-Domain" ;
pr:hasShortLabel "Sub-domain" .
pr:BusinessObject a owl:Class ; rdfs:subClassOf pr:OwnershipLayerObject ;
rdfs:label "Business Object" ;
rdfs:comment "The single anchor of accountability, which is why it stays in the Ownership layer: it is the one object where a steward is declared, and Data Objects and Data Elements inherit from it. It carries NO business definition of its own -- its meaning comes from its aboutConcept. What it does carry is a perimeter: the subject it is about, and the notions needed to read it." .
rdfs:comment "The single anchor of accountability, which is why it stays in the Ownership layer: it is the one object where a steward is declared, and Data Objects and Data Elements inherit from it. It carries NO business definition of its own -- its meaning comes from its aboutConcept. What it does carry is a perimeter: the subject it is about, and the notions needed to read it." ;
pr:hasShortLabel "Business object" .
#################################################################
# LAYER 2 - BUSINESS (curated)
# LAYER 2 - BUSINESS (defined)
#################################################################
pr:BusinessConcept a owl:Class ; rdfs:subClassOf pr:BusinessLayerObject ;
rdfs:label "Business Concept" ;
rdfs:comment "A shared business notion WITHOUT a formula. The presence of a formula is the sole discriminator against Metric (rule BR-003)." .
rdfs:comment "A shared business notion WITHOUT a formula. The presence of a formula is the sole discriminator against Metric (rule BR-003)." ;
pr:hasShortLabel "Business concept" .
pr:Metric a owl:Class ; rdfs:subClassOf pr:BusinessLayerObject ;
rdfs:label "Metric" ;
rdfs:comment "A quantifiable measurement WITH a formula, a unit and a grain. Under BR-013 a Metric carries the harmonised CALCULATION RULE; variants that differ only by analysis context are Data Elements linked back via computedBy." .
rdfs:comment "A quantifiable measurement WITH a formula, a unit and a grain. Under BR-013 a Metric carries the harmonised CALCULATION RULE; variants that differ only by analysis context are Data Elements linked back via computedBy." ;
pr:hasShortLabel "Metric" .
pr:KPI a owl:Class ; rdfs:subClassOf pr:Metric ;
rdfs:label "Key Performance Indicator" ;
rdfs:comment "An elevated Metric. Use this class rather than the deprecated isKPI flag." .
rdfs:comment "An elevated Metric. Use this class rather than the deprecated isKPI flag." ;
pr:hasShortLabel "KPI" .
#################################################################
# LAYER 3 - LOGICAL (curated)
# LAYER 3 - LOGICAL (defined)
#################################################################
pr:DataObject a owl:Class ; rdfs:subClassOf pr:LogicalLayerObject ;
rdfs:label "Data Object" ;
rdfs:comment "The pivot: represents exactly one Business Object, is composed of Data Elements, and is materialized as one or more Physical Relations. The single junction between governance and technology." .
rdfs:comment "The pivot: represents exactly one Business Object, is composed of Data Elements, and is materialized as one or more Physical Relations. The single junction between governance and technology." ;
pr:hasShortLabel "Data object" .
pr:DataElement a owl:Class ; rdfs:subClassOf pr:LogicalLayerObject ;
rdfs:label "Data Element" ;
pr:curationMode "PROPOSED_CONFIRMED" ;
rdfs:comment "The finest curated unit. Its mapping to a physical Field is the ONLY place where the curated graph and the observed graph meet: proposed automatically by name and type matching, confirmed by a Data Steward." .
pr:authoringMode "PROPOSED_CONFIRMED" ;
rdfs:comment "The finest defined unit. Its mapping to a physical Field is the ONLY place where the defined graph and the captured graph meet: proposed automatically by name and type matching, confirmed by a Data Steward." ;
pr:hasShortLabel "Data element" .
pr:DataAsset a owl:Class ; rdfs:subClassOf pr:LogicalLayerObject ;
rdfs:label "Data Asset (deprecated)" ;
@@ -282,66 +377,94 @@ pr:DataAsset a owl:Class ; rdfs:subClassOf pr:LogicalLayerObject ;
#################################################################
# LAYER 4 - DELIVERY (curated)
# LAYER 4 - DELIVERY (defined)
#################################################################
pr:DataProduct a owl:Class ; rdfs:subClassOf pr:DeliveryLayerObject ;
rdfs:label "Data Product" ;
rdfs:comment "The unit of delivery: what carries a version number, an owner, a changelog, a support channel and a list of consumers to warn. It has no single technical counterpart, and should not: physically it often lands on a Snowflake schema or a dbt project, but that is not what defines it. Operated by exactly one Sub-Domain -- it is a consumable, and there must be no ambiguity about who runs it. Candidate alignment: dcat:Dataset / DPROD." .
rdfs:comment "The unit of delivery: what carries a version number, an owner, a changelog, a support channel and a list of consumers to warn. It has no single technical counterpart, and should not: physically it often lands on a Snowflake schema or a dbt project, but that is not what defines it. Operated by exactly one Sub-Domain -- it is a consumable, and there must be no ambiguity about who runs it. Candidate alignment: dcat:Dataset / DPROD." ;
pr:hasShortLabel "Data product" .
pr:DataInterface a owl:Class ; rdfs:subClassOf pr:DeliveryLayerObject ;
rdfs:label "Data Interface" ;
rdfs:comment "The channel through which a consumer actually gets the data: a Snowflake secure share or listing, a consumption schema with its grants, a file extract to a panel partner, an API or reverse-ETL feed. Not a Data Object (that is structure) and not a BI Data Source (that is one consumer among others). Verifiable: a grant, a share or an endpoint either exists or it does not. The output port in data-mesh terms." .
rdfs:comment "The channel through which a consumer actually gets the data: a Snowflake secure share or listing, a consumption schema with its grants, a file extract to a panel partner, an API or reverse-ETL feed. Not a Data Object (that is structure) and not a BI Data Source (that is one consumer among others). Verifiable: a grant, a share or an endpoint either exists or it does not. The output port in data-mesh terms." ;
pr:hasShortLabel "Data interface" .
pr:DataContract a owl:Class ; rdfs:subClassOf pr:DeliveryLayerObject ;
rdfs:label "Data Contract" ;
rdfs:comment "The service commitment attached to a Data Product: schema, freshness, quality thresholds, support, breaking-change notice period. Candidate alignment: ODCS (Bitol)." .
rdfs:comment "The service commitment attached to a Data Product: schema, freshness, quality thresholds, support, breaking-change notice period. Candidate alignment: ODCS (Bitol)." ;
pr:hasShortLabel "Data contract" .
#################################################################
# LAYER 5 - PHYSICAL (observed)
# LAYER 5 - PHYSICAL (captured)
#################################################################
pr:System a owl:Class ; rdfs:subClassOf pr:PhysicalLayerObject ;
pr:System a owl:Class ; rdfs:subClassOf pr:PhysicalLayerObject , pr:DefinedObject ;
rdfs:label "System" ;
pr:harvestSource "Manually seeded once, then referenced. Replaces the free-text hasSourceSystem." ;
rdfs:comment "A real system: Snowflake, MDM Product, MDM Customer, a panel provider feed, Tableau Server, Looker. Making this a node rather than a string is what makes 'what depends on MDM Product?' answerable." .
pr:authoringMode "ASSERTED" ;
rdfs:comment "A real system: Snowflake, MDM Product, MDM Customer, a panel provider feed, Tableau Server, Looker. Making this a node rather than a string is what makes 'what depends on MDM Product?' answerable." ;
pr:hasShortLabel "System" .
pr:Database a owl:Class ; rdfs:subClassOf pr:PhysicalLayerObject ;
pr:Database a owl:Class ; rdfs:subClassOf pr:PhysicalLayerObject , pr:CapturedObject ;
rdfs:label "Database" ;
pr:harvestSource "SNOWFLAKE.INFORMATION_SCHEMA.DATABASES" .
pr:harvestSource "SNOWFLAKE.INFORMATION_SCHEMA.DATABASES" ;
pr:hasShortLabel "Database" .
pr:Schema a owl:Class ; rdfs:subClassOf pr:PhysicalLayerObject ;
pr:Schema a owl:Class ; rdfs:subClassOf pr:PhysicalLayerObject , pr:CapturedObject ;
rdfs:label "Schema" ;
pr:harvestSource "SNOWFLAKE.INFORMATION_SCHEMA.SCHEMATA" .
pr:harvestSource "SNOWFLAKE.INFORMATION_SCHEMA.SCHEMATA" ;
pr:hasShortLabel "Schema" .
pr:PhysicalRelation a owl:Class ; rdfs:subClassOf pr:PhysicalLayerObject ;
rdfs:label "Physical Relation" ;
pr:DataStructure a owl:Class ; rdfs:subClassOf pr:PhysicalLayerObject , pr:CapturedObject ;
rdfs:label "Data Structure" ;
pr:hasShortLabel "Table or view" ;
pr:harvestSource "SNOWFLAKE.INFORMATION_SCHEMA.TABLES" ;
rdfs:comment "Abstract parent of everything with columns. Specialised because impact traversal differs by kind: a View propagates impact to whatever it reads." .
rdfs:comment """Anything that carries Fields and reads as a set of rows. Never instantiated directly: a harvest types the concrete kind, and a viewer shows that kind rather than this parent.
pr:BaseTable a owl:Class ; rdfs:subClassOf pr:PhysicalRelation ;
rdfs:label "Base Table" .
WHY THE PARENT EXISTS. Three properties need exactly this set as their scope: storedIn from a Data Object, hasField and its inverse livesIn, and dependsOn. Without it each would have to be tripled, once per concrete kind, and the checks would go with them.
pr:View a owl:Class ; rdfs:subClassOf pr:PhysicalRelation ;
WHY THE NAME CHANGED. It was PhysicalRelation, from Codd, where a relation IS a table. In an ontology "relation" reads as a property, and the word locks the class into the tabular world. A Neo4j node label, a Mongo collection and a Kafka topic all carry fields; none is a relation.
EXTENSION POINT for non-tabular storage. Nothing at Pernod Ricard is non-tabular today, so no such class is declared -- four terms were deprecated in v1.2 precisely because nobody instantiated them. The day a graph enters scope, the insertion is additive and touches no instance, because subClassOf is transitive:
pr:Dataset rdfs:subClassOf pr:DataStructure .
pr:Graph rdfs:subClassOf pr:DataStructure .
pr:BaseTable rdfs:subClassOf pr:Dataset . # instead of DataStructure
pr:inSchema rdfs:domain pr:Dataset . # instead of nothing
Existing BaseTable assertions stay DataStructure by entailment, every shape targeting DataStructure keeps working, and storedIn does not move. The extension point is paid once; the extension is paid when it arrives.""" .
pr:PhysicalRelation a owl:Class ; rdfs:subClassOf pr:PhysicalLayerObject , pr:CapturedObject ;
rdfs:label "Physical Relation (deprecated)" ;
owl:deprecated true ; dcterms:isReplacedBy pr:DataStructure .
pr:BaseTable a owl:Class ; rdfs:subClassOf pr:DataStructure ;
rdfs:label "Base Table" ;
pr:hasShortLabel "Base table" .
pr:View a owl:Class ; rdfs:subClassOf pr:DataStructure ;
rdfs:label "View" ;
rdfs:comment "Depends on other relations through dependsOn, so impact is transitive." .
rdfs:comment "Depends on other relations through dependsOn, so impact is transitive." ;
pr:hasShortLabel "View" .
pr:MaterializedView a owl:Class ; rdfs:subClassOf pr:PhysicalRelation ;
pr:MaterializedView a owl:Class ; rdfs:subClassOf pr:DataStructure ;
rdfs:label "Materialized View (deprecated)" ;
owl:deprecated true ; dcterms:isReplacedBy pr:View ;
rdfs:comment "A class standing in for an attribute: what distinguishes it is being derived, which dependsOn already states." .
pr:ExternalTable a owl:Class ; rdfs:subClassOf pr:PhysicalRelation ;
pr:ExternalTable a owl:Class ; rdfs:subClassOf pr:DataStructure ;
rdfs:label "External Table" ;
rdfs:comment "Backed by files outside the warehouse. Marks the boundary where lineage leaves Snowflake." .
rdfs:comment "Backed by files outside the warehouse. Marks the boundary where lineage leaves Snowflake." ;
pr:hasShortLabel "External table" .
pr:Field a owl:Class ; rdfs:subClassOf pr:PhysicalLayerObject ;
pr:Field a owl:Class ; rdfs:subClassOf pr:PhysicalLayerObject , pr:CapturedObject ;
rdfs:label "Field" ;
pr:harvestSource "SNOWFLAKE.INFORMATION_SCHEMA.COLUMNS" ;
rdfs:comment "A physical column. The anchor of impact analysis: everything upstream reaches a Field, everything downstream starts from one." .
rdfs:comment "A physical column. The anchor of impact analysis: everything upstream reaches a Field, everything downstream starts from one." ;
pr:hasShortLabel "Field" .
pr:KeyConstraint a owl:Class ; rdfs:subClassOf pr:PhysicalLayerObject ;
pr:KeyConstraint a owl:Class ; rdfs:subClassOf pr:PhysicalLayerObject , pr:CapturedObject ;
rdfs:label "Key Constraint" ;
pr:harvestSource "SNOWFLAKE.INFORMATION_SCHEMA.TABLE_CONSTRAINTS + KEY_COLUMN_USAGE" ;
rdfs:comment "Gives foreign keys a home. Rule OW-006 says an FK is not a Data Element - true, but it still needs somewhere to live, and it lets the asserted DataObject-references-DataObject edge be checked against reality." .
@@ -352,34 +475,39 @@ pr:PrimaryKey a owl:Class ; rdfs:subClassOf pr:KeyConstraint ;
pr:ForeignKeyConstraint a owl:Class ; rdfs:subClassOf pr:KeyConstraint ;
rdfs:label "Foreign Key Constraint" .
pr:Transformation a owl:Class ; rdfs:subClassOf pr:PhysicalLayerObject , prov:Activity ;
pr:Transformation a owl:Class ; rdfs:subClassOf pr:PhysicalLayerObject , pr:CapturedObject , prov:Activity ;
rdfs:label "Transformation" ;
pr:harvestSource "dbt manifest.json, Snowflake TASKS, Azure Data Factory pipelines" ;
rdfs:comment "The code that turns inputs into outputs: a dbt model, a Snowflake task, an ADF pipeline. Subclass of prov:Activity so that lineage is expressed in a standard vocabulary rather than a private one." .
rdfs:comment "The code that turns inputs into outputs: a dbt model, a Snowflake task, an ADF pipeline. Subclass of prov:Activity so that lineage is expressed in a standard vocabulary rather than a private one." ;
pr:hasShortLabel "Transformation" .
#################################################################
# LAYER 6 - CONSUMPTION (observed)
# LAYER 6 - CONSUMPTION (captured)
#################################################################
pr:BIWorkspace a owl:Class ; rdfs:subClassOf pr:ConsumptionLayerObject ;
rdfs:label "BI Workspace" ;
pr:harvestSource "Tableau Metadata API (Project/Site) ; Looker API (Model)" .
pr:harvestSource "Tableau Metadata API (Project/Site) ; Looker API (Model)" ;
pr:hasShortLabel "BI workspace" .
pr:BIDataSource a owl:Class ; rdfs:subClassOf pr:ConsumptionLayerObject ;
rdfs:label "BI Data Source" ;
pr:harvestSource "Tableau Published Datasource ; Looker Explore" ;
rdfs:comment "The semantic surface a report is built on. This is where BI meets the warehouse." .
rdfs:comment "The semantic surface a report is built on. This is where BI meets the warehouse." ;
pr:hasShortLabel "BI data source" .
pr:BIField a owl:Class ; rdfs:subClassOf pr:ConsumptionLayerObject ;
rdfs:label "BI Field" ;
pr:harvestSource "Tableau calculated fields ; LookML measures and dimensions" ;
rdfs:comment "A field as a business user sees it. realizesMetric is what turns a certified Metric from a definition on paper into something measurable against the real BI estate." .
rdfs:comment "A field as a business user sees it. exposesMetric is what turns a certified Metric from a definition on paper into something measurable against the real BI estate." ;
pr:hasShortLabel "BI field" .
pr:BIReport a owl:Class ; rdfs:subClassOf pr:ConsumptionLayerObject ;
rdfs:label "BI Report" ;
pr:harvestSource "Tableau Workbook/Sheet ; Looker Look/Dashboard" ;
rdfs:comment "What a Data Governance Lead actually cares about in an impact analysis: not that a column changed, but which reports break and who to warn." .
rdfs:comment "What a Data Governance Lead actually cares about in an impact analysis: not that a column changed, but which reports break and who to warn." ;
pr:hasShortLabel "BI report" .
#################################################################
@@ -387,28 +515,34 @@ pr:BIReport a owl:Class ; rdfs:subClassOf pr:ConsumptionLayerObject ;
#################################################################
pr:Actor a owl:Class ; rdfs:label "Actor" ;
rdfs:comment "A person or a team. Deliberately NOT a MetaModelObject: people are not subject to ownership and lifecycle rules." .
rdfs:comment "A person or a team. Deliberately NOT a MetaModelObject: people are not subject to ownership and lifecycle rules." ;
pr:hasShortLabel "Actor" .
pr:DataDomainOwner a owl:Class ; rdfs:subClassOf pr:Actor ;
rdfs:label "Data Domain Owner" ;
rdfs:comment "Accountable for a Data Domain. Exactly one per domain." .
rdfs:comment "Accountable for a Data Domain. Exactly one per domain." ;
pr:hasShortLabel "Domain owner" .
pr:SubDomainOwner a owl:Class ; rdfs:subClassOf pr:Actor ;
rdfs:label "Sub-Domain Owner" ;
rdfs:comment "Accountable for a Sub-Domain. Exactly one per sub-domain." .
rdfs:comment "Accountable for a Sub-Domain. Exactly one per sub-domain." ;
pr:hasShortLabel "Sub-domain owner" .
pr:DataGovernanceLead a owl:Class ; rdfs:subClassOf pr:Actor ;
rdfs:label "Data Governance Lead" ;
pr:hasAcronym "DGL" ;
rdfs:comment "Runs governance for a Data Domain. The acronym belongs in hasAcronym, not in the label (rule NR-005)." .
rdfs:comment "Runs governance for a Data Domain. The acronym belongs in hasAcronym, not in the label (rule NR-005)." ;
pr:hasShortLabel "Data governance lead" .
pr:DataProductOwner a owl:Class ; rdfs:subClassOf pr:Actor ;
rdfs:label "Data Product Owner" ;
rdfs:comment "Runs a Data Product day to day: releases, changelog, support, consumer communication. Belongs to the Sub-Domain that operates the product." .
rdfs:comment "Runs a Data Product day to day: releases, changelog, support, consumer communication. Belongs to the Sub-Domain that operates the product." ;
pr:hasShortLabel "Product owner" .
pr:DataSteward a owl:Class ; rdfs:subClassOf pr:Actor ;
rdfs:label "Data Steward" ;
rdfs:comment "Monitors a Business Object. Declared there and nowhere else: Data Objects and Data Elements inherit their steward, so that no column can ever have two answers to 'who watches this'." .
rdfs:comment "Monitors a Business Object. Declared there and nowhere else: Data Objects and Data Elements inherit their steward, so that no column can ever have two answers to 'who watches this'." ;
pr:hasShortLabel "Steward" .
#################################################################
@@ -525,10 +659,14 @@ pr:hasElement a owl:ObjectProperty ;
rdfs:label "has element" ;
rdfs:domain pr:DataObject ; rdfs:range pr:DataElement .
pr:references a owl:ObjectProperty ;
rdfs:label "references" ;
pr:qualifiedBy a owl:ObjectProperty ;
rdfs:label "qualified by" ;
rdfs:domain pr:DataObject ; rdfs:range pr:DataObject ;
rdfs:comment "Foreign-key reference between Data Objects. NOT ownership. Now checkable against the harvested ForeignKeyConstraint objects." .
rdfs:comment "The Data Objects that give this one its analysis context: a fact dataset is qualified by Product, Customer, Currency and Date. Physically a foreign key, which is why it is checkable against the harvested ForeignKeyConstraint objects -- but the name says the reason rather than the mechanism. NOT ownership. It is also what carries the grain of a fact object, whose own elements are measures and whose keys are not Data Elements (OW-006)." .
pr:references a owl:ObjectProperty ;
rdfs:label "references (deprecated)" ;
owl:deprecated true ; dcterms:isReplacedBy pr:qualifiedBy .
#################################################################
# OBJECT PROPERTIES - Delivery
@@ -546,7 +684,7 @@ pr:exposes a owl:ObjectProperty ;
pr:servedBy a owl:ObjectProperty ;
rdfs:label "served by" ;
rdfs:domain pr:DataInterface ; rdfs:range pr:PhysicalRelation ;
rdfs:domain pr:DataInterface ; rdfs:range pr:DataStructure ;
rdfs:comment "What physically backs the interface: the shared relations, the extract source." .
pr:governedBy a owl:ObjectProperty , owl:FunctionalProperty ;
@@ -569,22 +707,39 @@ pr:usesDataObject a owl:ObjectProperty ;
#################################################################
# OBJECT PROPERTIES - the curated / observed seam
# OBJECT PROPERTIES - the defined / captured seam
# These two are the ONLY edges crossing from asserted to harvested.
# Everything else is either pure governance or pure machine.
#################################################################
pr:materializedAs a owl:ObjectProperty ;
rdfs:label "materialized as" ;
rdfs:domain pr:DataObject ; rdfs:range pr:PhysicalRelation ;
pr:curationMode "PROPOSED_CONFIRMED" ;
rdfs:comment "Data Object to physical relation. Not functional: the same Data Object exists in DEV, UAT and PROD, and sometimes across several tables." .
rdfs:label "materialized as (deprecated)" ;
owl:deprecated true ; dcterms:isReplacedBy pr:storedIn ;
rdfs:comment "Redundant once storedIn serves two granularities. One verb fewer, and the seam counts one relation instead of two." .
pr:storedIn a owl:ObjectProperty ;
rdfs:label "stored in" ;
pr:authoringMode "PROPOSED_CONFIRMED" ;
rdfs:comment """Where a logical artefact actually sits. One relation at two granularities, like represents:
DataObject storedIn DataStructure (a table, a view, later a node label)
DataElement storedIn Field (a column, later a node property)
Range left open and scoped by SHACL per class, because the two uses have different targets.
THE SEAM. This is the one relation crossing from what governance defines to what a harvester captures, and the one thing a steward confirms: the reconciliation job proposes the mapping on fully qualified name and type, a person accepts it. It is also what makes end-to-end impact analysis possible.
Not functional: the same object exists in DEV, UAT and PROD, and a Data Element may sit in several Fields -- see primaryLocation for the authoritative one. Renamed from physicalizedIn, which was jargon.""" .
pr:primaryLocation a owl:ObjectProperty , owl:FunctionalProperty ;
rdfs:subPropertyOf pr:storedIn ;
rdfs:label "primary location" ;
rdfs:domain pr:DataElement ; rdfs:range pr:Field ;
pr:curationMode "PROPOSED_CONFIRMED" ;
rdfs:comment "Data Element to physical column, 1..n. Proposed by the reconciliation job on fullyQualifiedName and type, confirmed by a Data Steward. This single edge is what makes end-to-end impact analysis possible. Renamed from physicalizedIn, which was jargon: the relation says where the data sits." .
pr:authoringMode "PROPOSED_CONFIRMED" ;
rdfs:comment """The authoritative Field among the several a Data Element may sit in -- the others being copies, replicas or downstream materialisations.
A SUB-PROPERTY of storedIn on purpose, not a parallel relation. Entailment then guarantees the primary location is always among the locations, so the two can never disagree; two independent properties would allow a Field marked primary here and absent from storedIn there.
Primary and replica rather than master and slave: the industry has moved on, and it reads better to the business.""" .
pr:physicalizedIn a owl:ObjectProperty ;
rdfs:label "physicalized in (deprecated)" ;
@@ -598,7 +753,11 @@ pr:physicalizedIn a owl:ObjectProperty ;
pr:sourcedFrom a owl:ObjectProperty ;
rdfs:label "sourced from" ;
rdfs:range pr:System ;
rdfs:comment "Replaces the free-text hasSourceSystem. Domain deliberately omitted: applies to Data Elements, Physical Relations and BI Data Sources alike." .
rdfs:comment """The System holding the authoritative data for this object. Replaces the free-text hasSource, and answers a question that text could not: which objects depend on MDM Product.
Domain deliberately omitted -- it applies to Data Elements, Data Structures, Metrics and BI Data Sources alike, and the scope lives in the shapes.
It also settles a naming collision. As a string, "source" meant a system here and a BI surface in BIDataSource, two readings of one word. As a relation towards System, the two are different kinds of thing and the ambiguity disappears.""" .
pr:hasSystemType a owl:ObjectProperty , owl:FunctionalProperty ;
rdfs:label "has system type" ;
@@ -614,21 +773,22 @@ pr:inDatabase a owl:ObjectProperty , owl:FunctionalProperty ;
pr:inSchema a owl:ObjectProperty , owl:FunctionalProperty ;
rdfs:label "in schema" ;
rdfs:domain pr:PhysicalRelation ; rdfs:range pr:Schema .
rdfs:range pr:Schema ;
rdfs:comment "Domain deliberately not declared, and the shapes must keep this OPTIONAL: Neo4j has no schema and BigQuery calls the level a dataset. A minCount 1 would break on the first harvest outside Snowflake. It is also the only property that would distinguish a tabular Dataset from a Graph, which is why that intermediate level is not declared yet -- one client does not pay for a level of hierarchy." .
pr:hasField a owl:ObjectProperty ;
rdfs:label "has field" ;
rdfs:domain pr:PhysicalRelation ; rdfs:range pr:Field ;
rdfs:domain pr:DataStructure ; rdfs:range pr:Field ;
owl:inverseOf pr:livesIn ;
rdfs:comment "Domain widened from Table to PhysicalRelation so that views and external tables carry columns too. Inverse now declared - in v0.9 hasField and livesIn were inverses in fact but not in the model, so they were free to diverge." .
pr:livesIn a owl:ObjectProperty , owl:FunctionalProperty ;
rdfs:label "lives in" ;
rdfs:domain pr:Field ; rdfs:range pr:PhysicalRelation .
rdfs:domain pr:Field ; rdfs:range pr:DataStructure .
pr:deployedIn a owl:ObjectProperty , owl:FunctionalProperty ;
rdfs:label "deployed in" ;
rdfs:domain pr:ObservedObject ; rdfs:range pr:Environment .
rdfs:domain pr:CapturedObject ; rdfs:range pr:Environment .
pr:constrainsRelation a owl:ObjectProperty , owl:FunctionalProperty ;
rdfs:label "constrains relation (deprecated)" ;
@@ -651,15 +811,15 @@ pr:toField a owl:ObjectProperty ;
pr:consumes a owl:ObjectProperty ;
rdfs:subPropertyOf prov:used ;
rdfs:label "consumes" ;
rdfs:domain pr:Transformation ; rdfs:range pr:PhysicalRelation .
rdfs:domain pr:Transformation ; rdfs:range pr:DataStructure .
pr:produces a owl:ObjectProperty ;
rdfs:label "produces" ;
rdfs:domain pr:Transformation ; rdfs:range pr:PhysicalRelation .
rdfs:domain pr:Transformation ; rdfs:range pr:DataStructure .
pr:dependsOn a owl:ObjectProperty , owl:TransitiveProperty ;
rdfs:label "depends on" ;
rdfs:domain pr:PhysicalRelation ; rdfs:range pr:PhysicalRelation ;
rdfs:domain pr:DataStructure ; rdfs:range pr:DataStructure ;
pr:harvestSource "SNOWFLAKE.ACCOUNT_USAGE.OBJECT_DEPENDENCIES" ;
rdfs:comment "Relation-level dependency, view to table. Transitive by nature; in practice compute the closure at query time in Snowflake rather than materialising it with a reasoner." .
@@ -681,7 +841,7 @@ pr:inWorkspace a owl:ObjectProperty , owl:FunctionalProperty ;
pr:biConsumes a owl:ObjectProperty ;
rdfs:label "BI consumes" ;
rdfs:domain pr:BIDataSource ; rdfs:range pr:PhysicalRelation ;
rdfs:domain pr:BIDataSource ; rdfs:range pr:DataStructure ;
pr:harvestSource "Tableau Metadata API (GraphQL) ; Looker Explore SQL" .
pr:hasBIField a owl:ObjectProperty ;
@@ -699,11 +859,11 @@ pr:biDerivedFrom a owl:ObjectProperty ;
rdfs:domain pr:BIField ; rdfs:range pr:Field ;
rdfs:comment "Closes the last gap in the impact chain: from a dashboard field back to the warehouse column." .
pr:realizesMetric a owl:ObjectProperty , owl:FunctionalProperty ;
rdfs:label "realizes metric" ;
pr:exposesMetric a owl:ObjectProperty , owl:FunctionalProperty ;
rdfs:label "exposes metric" ;
rdfs:domain pr:BIField ; rdfs:range pr:Metric ;
pr:curationMode "PROPOSED_CONFIRMED" ;
rdfs:comment """The harmonisation measure: how many distinct BI Fields realize one certified Metric, and do their expressions agree. Turns 'we harmonised the definitions' from a claim into a count over the real BI estate.
pr:authoringMode "PROPOSED_CONFIRMED" ;
rdfs:comment """The harmonisation measure: how many distinct BI Fields expose one certified Metric, and do their expressions agree. Turns 'we harmonised the definitions' from a claim into a count over the real BI estate.
In principle this is derivable from the lineage chain Metric -> DataElement -> Field -> BIField, since lineage carries semantic inheritance. In practice that chain will have holes -- four hops, one of them PROPOSED_CONFIRMED, another harvested from an API that does not resolve custom SQL, extracts or cascaded calculated fields -- and the question it answers is too important to depend on them.
@@ -730,7 +890,7 @@ pr:ownedBy a owl:ObjectProperty ;
pr:owningDomain a owl:ObjectProperty , owl:FunctionalProperty ;
rdfs:label "owning Data Domain" ; rdfs:range pr:DataDomain ;
rdfs:comment """The single Data Domain with authority to define the object's rule. Absent on Observed Objects: a Snowflake column is attributed through the Data Element mapped to it, never asserted directly.
rdfs:comment """The single Data Domain with authority to define the object's rule. Absent on Captured Objects: a Snowflake column is attributed through the Data Element mapped to it, never asserted directly.
Unlike the steward, this one is RE-DECLARABLE on a Data Element. It is inherited by default from the parent chain, but OW-002 attributes an element to the domain that defines its RULE, and a borrowed element -- Brand Code sitting in a Sell Out fact object -- has its rule elsewhere. A Data Element whose owningDomain differs from its parent's is a borrowed element: a signal to check against its represents, not an anomaly to fix.""" .
@@ -769,11 +929,18 @@ pr:hasActivationStatus a owl:ObjectProperty , owl:FunctionalProperty ;
pr:hasIdentifier a owl:DatatypeProperty , owl:FunctionalProperty ; rdfs:label "identifier" ; rdfs:range xsd:string .
pr:hasName a owl:DatatypeProperty , owl:FunctionalProperty ; rdfs:label "canonical name" ; rdfs:range xsd:string .
pr:hasShortLabel a owl:DatatypeProperty , owl:FunctionalProperty ;
rdfs:label "short label" ; rdfs:range xsd:string ;
rdfs:comment """The name screens use, where the canonical name is the exhaustive one: Domain for Data Domain, SODH Gold for Sell Out Data Hub - Gold.
Declared rather than left to each interface. The same object was being called two different things depending on where you looked, because every viewer kept a display dictionary of its own. One name is authoritative, the other is short, and both live in the model.""" .
pr:hasStatus a owl:DatatypeProperty ; rdfs:label "status" ; rdfs:range xsd:string .
pr:hasVersion a owl:DatatypeProperty ; rdfs:label "version" ; rdfs:range xsd:string .
pr:createdOn a owl:DatatypeProperty ; rdfs:label "created on" ; rdfs:range xsd:date .
pr:lastReviewedOn a owl:DatatypeProperty ; rdfs:label "last reviewed on" ; rdfs:range xsd:date .
pr:hasSource a owl:DatatypeProperty ; rdfs:label "source of truth" ; rdfs:range xsd:string ;
pr:hasSource a owl:DatatypeProperty ; rdfs:label "source of truth (deprecated)" ; rdfs:range xsd:string ;
owl:deprecated true ; dcterms:isReplacedBy pr:sourcedFrom ;
rdfs:comment """The system holding the authoritative data for this object: SODH Gold, MDM Product, Group Finance.
ONE MEANING ONLY. It had drifted into naming the document a record came from ("SODH back-doc v0.7"), and into packing a system and a relation into one string ("SODH Gold / F_SELL_OUT"). The relation belongs in physicalName; the document belongs nowhere -- provenance of a record is not a property of the thing it describes.
@@ -834,7 +1001,7 @@ pr:sourceIdentifier a owl:DatatypeProperty , owl:FunctionalProperty ;
rdfs:comment "Native immutable id in the source system (Snowflake object id, Tableau LUID, Looker id). Makes reconciliation idempotent and survives renames, which names do not." .
pr:harvestedOn a owl:DatatypeProperty ; rdfs:label "harvested on" ; rdfs:range xsd:dateTime ;
rdfs:comment "Staleness marker. An Observed Object not refreshed by the last run is a deletion candidate, not a fact." .
rdfs:comment "Staleness marker. A Captured Object not refreshed by the last run is a deletion candidate, not a fact." .
pr:hasPhysicalDataType a owl:DatatypeProperty ; rdfs:label "physical data type" ; rdfs:range xsd:string .
pr:isNullable a owl:DatatypeProperty ; rdfs:label "is nullable" ; rdfs:range xsd:boolean .
@@ -863,7 +1030,7 @@ pr:hasExpression a owl:DatatypeProperty ; rdfs:label "BI expression" ; rdfs:rang
# DISJOINTNESS
#################################################################
[] a owl:AllDisjointClasses ; owl:members ( pr:CuratedObject pr:ObservedObject ) .
[] a owl:AllDisjointClasses ; owl:members ( pr:DefinedObject pr:CapturedObject ) .
[] a owl:AllDisjointClasses ; owl:members (
pr:OwnershipLayerObject pr:BusinessLayerObject pr:LogicalLayerObject
@@ -875,7 +1042,7 @@ pr:hasExpression a owl:DatatypeProperty ; rdfs:label "BI expression" ; rdfs:rang
[] a owl:AllDisjointClasses ; owl:members ( pr:BusinessConcept pr:Metric ) .
[] a owl:AllDisjointClasses ; owl:members (
pr:BaseTable pr:View pr:MaterializedView pr:ExternalTable ) .
pr:BaseTable pr:View pr:ExternalTable ) .
[] a owl:AllDisjointClasses ; owl:members ( pr:PrimaryKey pr:ForeignKeyConstraint ) .