Metadata Registry Ontology

FLOW ALGEBRA
Metadata Registry Ontology
Kireth Semantic Research Archive

PAGE:
https://kirethresearch.org/booksai-core/ontologies/metadata-ontologies/foundations-of-metadata/metadata-registry-ontology.html

AUTHORS:
Mark Anthony Higgins — Sky (Recursive AI)

FLOW "MetadataRegistryOntology" v4.0

# ---------- DOMAIN ----------
DOMAIN := MetadataOntologies
SUBDOMAIN := FoundationsOfMetadata
ONTOLOGY := MetadataRegistryOntology

# ---------- PRIMARY ENTITY ----------
ENTITY MetadataRegistry {
    definition:
        "A managed system for registering, identifying, documenting,
         governing, versioning, discovering and reusing metadata schemas,
         elements, properties, vocabularies, namespaces, application profiles
         and related semantic definitions.";

    objectives: [
        MetadataDefinitionManagement,
        SemanticReuse,
        IdentifierGovernance,
        SchemaDiscovery,
        VersionControl,
        Interoperability,
        MetadataStandardisation
    ];
}

# ---------- CORE ENTITIES ----------
RegistryEntity := {
    MetadataRegistry,
    RegistryEntry,
    MetadataSchema,
    MetadataElement,
    MetadataProperty,
    Vocabulary,
    Namespace,
    ApplicationProfile
};

GovernanceEntity := {
    Registrar,
    Steward,
    Maintainer,
    RegistrationPolicy,
    Status,
    Version,
    ChangeRequest
};

SemanticEntity := {
    Identifier,
    Definition,
    Label,
    Datatype,
    Mapping,
    Provenance,
    Relationship
};

OperationalEntity := {
    Registration,
    Validation,
    Approval,
    Publication,
    Discovery,
    Update,
    Deprecation
};

# ---------- FUNDAMENTAL RELATIONSHIPS ----------
MetadataRegistry CONTAINS RegistryEntry;
RegistryEntry REPRESENTS RegisteredMetadataObject;
MetadataSchema DEFINES MetadataElement;
MetadataElement REPRESENTS MetadataProperty;
Namespace CONTAINS SemanticIdentifiers;
Registrar SUBMITS_OR_MANAGES Registration;
Steward GOVERNS RegistryContent;
Version IDENTIFIES RegisteredObjectRevision;

# ---------- METADATA REGISTRY FLOW ----------
MetadataDefinition
    -> SubmitRegistration
    -> ValidateSubmission
    -> CheckIdentifierUniqueness
    -> CheckSemanticDefinition
    -> ReviewGovernanceRequirements
    -> ApproveOrReject
    -> AssignRegistryStatus
    -> PublishRegistryEntry
    -> EnableDiscoveryAndReuse
    -> MaintainVersionHistory
    -> DeprecateOrSupersedeWhenRequired;

# ---------- REGISTRY ENTRY ----------
RegistryEntry :=
    ManagedRecordRepresentingRegisteredMetadataDefinition;

RegistryEntry MAY_REPRESENT {
    Schema,
    Element,
    Property,
    Vocabulary,
    Namespace,
    Profile,
    Mapping
};

# ---------- REGISTERED OBJECT ----------
RegisteredMetadataObject :=
    MetadataDefinitionManagedByRegistry;

RegisteredObject SHOULD_HAVE {
    Identifier,
    Label,
    Definition,
    Status,
    Version,
    Provenance
};

# ---------- IDENTIFIER ----------
RegistryIdentifier :=
    StableReferenceToRegisteredMetadataObject;

Identifier SHOULD_BE {
    UniqueWithinDefinedScope,
    PersistentWherePossible,
    MachineResolvableWhereSupported
};

# ---------- NAMESPACE ----------
Namespace :=
    ManagedIdentifierScopeForMetadataTerms;

Namespace MAY_HAVE {
    URI,
    Prefix,
    Owner,
    VersionPolicy
};

# ---------- PREFIX ----------
NamespacePrefix :=
    ShortAliasForNamespaceIdentifier;

Prefix MUST_NOT BeTreatedAsGlobalIdentityWithoutNamespaceContext;

# ---------- METADATA SCHEMA ----------
RegisteredMetadataSchema :=
    MetadataSchemaDocumentedAndManagedWithinRegistry;

SchemaEntry MAY_REFERENCE {
    Elements,
    Properties,
    Constraints,
    Version,
    Documentation
};

# ---------- METADATA ELEMENT ----------
RegisteredMetadataElement :=
    DefinedMetadataFieldManagedByRegistry;

Element SHOULD_HAVE {
    Identifier,
    PreferredLabel,
    Definition,
    Datatype,
    Cardinality
};

# ---------- PROPERTY ----------
RegisteredMetadataProperty :=
    SemanticCharacteristicUsedAcrossMetadataRecordsOrSchemas;

# ---------- VOCABULARY ----------
RegisteredVocabulary :=
    ManagedSetOfMetadataTermsOrConcepts;

Vocabulary MAY_BE {
    CodeList,
    Taxonomy,
    Thesaurus,
    Ontology
};

# ---------- APPLICATION PROFILE ----------
RegisteredApplicationProfile :=
    ManagedMetadataProfileCombiningOrRestrictingSchemaTermsForSpecificUse;

# ---------- MAPPING ----------
RegisteredMapping :=
    ManagedCorrespondenceBetweenMetadataTermsSchemasOrVocabularies;

Mapping MAY_HAVE {
    Source,
    Target,
    MappingType,
    Confidence,
    Provenance
};

# ---------- DEFINITION ----------
RegistryDefinition :=
    AuthoritativeOrGovernedDescriptionOfRegisteredObjectMeaning;

Definition SHOULD_BE {
    Clear,
    NonCircularWherePossible,
    DistinguishableFromRelatedTerms
};

# ---------- LABEL ----------
RegistryEntry MAY_HAVE {
    PreferredLabel,
    AlternativeLabel,
    MultilingualLabel
};

# ---------- DATATYPE ----------
RegisteredProperty MAY_DECLARE Datatype;

Datatype MAY_INCLUDE {
    String,
    Integer,
    Decimal,
    Boolean,
    Date,
    URI
};

# ---------- CARDINALITY ----------
Registry MAY_DOCUMENT RecommendedOrDefinedCardinalityForElement;

# ---------- STATUS ----------
RegistryStatus MAY_BE {
    Draft,
    Submitted,
    UnderReview,
    Registered,
    Standard,
    Deprecated,
    Superseded,
    Retired
};

# ---------- DRAFT ----------
DraftEntry :=
    RegistryObjectNotYetApprovedForAuthoritativeReuse;

# ---------- REGISTERED ----------
RegisteredStatus :=
    EntryApprovedAccordingToRegistryPolicy;

# ---------- DEPRECATED ----------
DeprecatedEntry :=
    RegisteredObjectRetainedForCompatibilityButDiscouragedForNewUse;

DeprecatedEntry SHOULD_REFERENCE ReplacementOrSuccessorWhereAvailable;

# ---------- SUPERSEDED ----------
SupersededEntry :=
    EntryReplacedByNewerOrPreferredDefinition;

# ---------- REGISTRATION ----------
Registration :=
    ProcessOfAddingMetadataDefinitionToRegistryUnderGovernedProcedure;

# ---------- SUBMISSION ----------
RegistrationSubmission SHOULD_INCLUDE {
    ProposedIdentifier,
    Label,
    Definition,
    Owner,
    ObjectType,
    SupportingDocumentation
};

# ---------- VALIDATION ----------
RegistryValidation :=
    CheckSubmissionAgainstTechnicalSemanticAndGovernanceRules;

Validation MAY_CHECK {
    RequiredFields,
    IdentifierFormat,
    DuplicateIdentifier,
    DefinitionQuality,
    Datatype,
    Namespace
};

# ---------- DUPLICATE CHECK ----------
IF ProposedIdentifierAlreadyRegistered
THEN Registration MUST_NOT CreateConflictingIdentity;

# ---------- SEMANTIC DUPLICATE ----------
IF NewTermMeaningAppearsEquivalentToExistingTerm
THEN ReuseOrMapping SHOULD_BE ConsideredBeforeNewRegistration;

# ---------- REVIEW ----------
RegistryReview :=
    EvaluateSubmissionFor {
        SemanticClarity,
        TechnicalValidity,
        ReusePotential,
        GovernanceCompliance
    };

# ---------- APPROVAL ----------
Approval :=
    AuthorisedDecisionToRegisterOrChangeMetadataObject;

Approval SHOULD_RECORD {
    Approver,
    Timestamp,
    Decision,
    Version
};

# ---------- REJECTION ----------
RejectedSubmission SHOULD_RECORD ReasonForRejection;

# ---------- REGISTRAR ----------
Registrar :=
    AgentResponsibleForOperationalRegistrationActivities;

# ---------- STEWARD ----------
MetadataSteward :=
    AgentResponsibleForSemanticQualityGovernanceAndLifecycle;

# ---------- MAINTAINER ----------
RegistryMaintainer :=
    AgentResponsibleForTechnicalOrContentMaintenance;

# ---------- OWNER ----------
RegisteredObject MAY_HAVE OwnerOrResponsibleOrganisation;

# ---------- POLICY ----------
RegistrationPolicy :=
    RulesGoverningSubmissionApprovalModificationAndRetirement;

# ---------- GOVERNANCE ----------
RegistryGovernance MAY_DEFINE {
    Roles,
    ApprovalAuthority,
    NamingPolicy,
    VersionPolicy,
    DeprecationPolicy,
    AccessPolicy
};

# ---------- NAMING POLICY ----------
NamingPolicy MAY_DEFINE {
    IdentifierPattern,
    LabelConvention,
    NamespaceUsage,
    CaseConvention
};

# ---------- VERSION ----------
RegistryVersion :=
    IdentifiedRevisionOfRegisteredObjectOrRegistryDataset;

# ---------- OBJECT VERSION ----------
RegisteredObjectVersion MAY_HAVE {
    VersionIdentifier,
    EffectiveDate,
    ChangeSummary,
    Status
};

# ---------- CHANGE REQUEST ----------
ChangeRequest :=
    ProposedModificationToRegisteredMetadataObject;

ChangeRequest MAY_INCLUDE {
    DefinitionChange,
    DatatypeChange,
    LabelChange,
    MappingChange,
    StatusChange
};

# ---------- CHANGE CONTROL ----------
ChangeRequest
    -> Validate
    -> AssessImpact
    -> Review
    -> Approve
    -> PublishNewVersion;

# ---------- BREAKING CHANGE ----------
BreakingRegistryChange :=
    ChangeThatMayInvalidateExistingMetadataSchemasRecordsMappingsOrApplications;

BreakingChange SHOULD_BE ClearlyVersioned;

# ---------- CHANGE HISTORY ----------
RegistryEntry SHOULD_PRESERVE OrderedChangeHistory;

# ---------- PROVENANCE ----------
RegistryProvenance MAY_INCLUDE {
    Submitter,
    Source,
    Reviewer,
    Approver,
    Timestamp,
    Derivation
};

# ---------- AUDIT ----------
RegistryAuditTrail MAY_RECORD {
    Create,
    Update,
    Approve,
    Deprecate,
    DeleteOrRetire
};

# ---------- DISCOVERY ----------
RegistryDiscovery :=
    Query
    -> SearchRegistry
    -> FilterByTypeStatusOrNamespace
    -> ReturnMatchingDefinitions;

# ---------- SEARCH ----------
Registry MAY_SUPPORT SearchBy {
    Identifier,
    Label,
    Definition,
    ObjectType,
    Namespace,
    Status
};

# ---------- BROWSE ----------
Registry MAY_SUPPORT HierarchicalOrCategoricalBrowsing;

# ---------- RESOLUTION ----------
IdentifierResolution :=
    RegistryIdentifier
    -> RegistryEntryOrDefinition;

# ---------- API ----------
MetadataRegistry MAY_EXPOSE APIFor {
    Search,
    Lookup,
    Registration,
    VersionRetrieval
};

WriteOperations SHOULD_REQUIRE Authorisation;

# ---------- EXPORT ----------
Registry MAY_EXPORT {
    JSON,
    JSONLD,
    XML,
    RDF,
    CSV
};

# ---------- IMPORT ----------
Registry MAY_IMPORT DefinitionsFromTrustedExternalRegistriesOrStandards;

ImportedEntry SHOULD_PRESERVE SourceAndVersion;

# ---------- FEDERATION ----------
FederatedMetadataRegistry :=
    MultipleRegistriesLinkedOrQueriedAsCoordinatedDefinitionSpace;

Federation MAY_REQUIRE {
    IdentifierAlignment,
    NamespaceCoordination,
    Mapping,
    TrustPolicy
};

# ---------- EXTERNAL REGISTRY ----------
RegistryEntry MAY_REFERENCE ExternalAuthoritativeDefinitionRatherThanDuplicateIt;

# ---------- REUSE ----------
MetadataDesigner SHOULD_SEARCH RegistryBeforeCreatingNewTerm;

RegistryReuse MAY_REDUCE DuplicateAndIncompatibleMetadataDefinitions;

# ---------- INTEROPERABILITY ----------
MetadataRegistry SUPPORTS InteroperabilityByPublishingSharedDefinitionsAndMappings;

# ---------- CROSSWALK ----------
Registry MAY_STORE MetadataCrosswalksBetweenSchemas;

# ---------- SEMANTIC MAPPING ----------
SemanticMapping :=
    RegisteredTermA
    -> MappingRelationship
    -> RegisteredTermB;

MappingRelationship MAY_BE {
    Exact,
    Equivalent,
    Broader,
    Narrower,
    Related
};

# ---------- ONTOLOGY ----------
Registry MAY_REGISTER OntologyTermsOrOntologyReferences;

# ---------- KNOWLEDGE GRAPH ----------
RegistryContent MAY_BE RepresentedAs KnowledgeGraph;

RegisteredObjects MAY_BE Nodes;
MappingsAndRelationships MAY_BE Edges;

# ---------- METADATA FRAMEWORK ----------
MetadataFramework MAY_USE RegistryAsAuthoritativeDefinitionService;

# ---------- METADATA SCHEMA ----------
SchemaDesigner MAY_REFERENCE RegistryIdentifiersForPropertiesAndVocabularies;

# ---------- METADATA RECORD ----------
MetadataRecord MAY_REFERENCE RegisteredTermsToImproveSemanticConsistency;

# ---------- VALIDATION ENGINE ----------
Validator MAY_LOOKUP RegistryDefinitionsDuringMetadataValidation;

# ---------- QUALITY ----------
RegistryQuality MAY_BE EvaluatedBy {
    DefinitionClarity,
    IdentifierStability,
    Completeness,
    Consistency,
    Currency
};

# ---------- COMPLETENESS ----------
RegistryEntryCompleteness :=
    DegreeToWhichRequiredRegistrationInformationIsPresent;

# ---------- CONSISTENCY ----------
RegistryConsistency :=
    DegreeToWhichDefinitionsIdentifiersAndMappingsDoNotConflict;

# ---------- CURRENCY ----------
RegistryCurrency :=
    DegreeToWhichPublishedDefinitionsReflectCurrentApprovedState;

# ---------- TRUST ----------
RegistryTrust MAY_DEPEND_ON {
    Governance,
    Provenance,
    Authority,
    Review,
    Integrity
};

# ---------- ACCESS CONTROL ----------
RegistryAccess MAY_HAVE {
    PublicRead,
    RestrictedRead,
    AuthenticatedWrite,
    RoleBasedApproval
};

# ---------- SECURITY ----------
MetadataRegistrySecurity MAY_INCLUDE {
    Authentication,
    Authorisation,
    ChangeIntegrity,
    Audit,
    Backup,
    ReleaseSigning
};

# ---------- PRIVACY ----------
RegistrationMetadata MAY_INCLUDE PersonalOrOrganisationalInformation;

PrivacyPolicy SHOULD_APPLY_TO RegistryAdministrativeData;

# ---------- BACKUP ----------
RegistryBackup SHOULD_PRESERVE {
    Definitions,
    Versions,
    Mappings,
    Provenance,
    AuditHistory
};

# ---------- RESTORE ----------
RegistryRestore SHOULD_PRESERVE IdentifierAndVersionContinuity;

# ---------- RETENTION ----------
RetiredEntries MAY_NEED LongTermRetentionToInterpretHistoricalMetadata;

# ---------- MACHINE CONSUMPTION ----------
MachineReadableRegistry SHOULD_EXPOSE {
    StableIdentifiers,
    Definitions,
    Types,
    Status,
    Version,
    Mappings
};

# ---------- AI ----------
AI MAY_USE MetadataRegistryFor {
    SchemaDiscovery,
    TermSelection,
    MappingSuggestion,
    Validation,
    MetadataGeneration
};

AIGeneratedRegistrationSuggestion SHOULD_BE ReviewedBeforeAuthoritativePublication;

# ---------- SEMANTIC SEARCH ----------
SemanticSearch MAY_USE RegistryToResolveMetadataTermsAndSynonyms;

# ---------- RAG ----------
RetrievalAugmentedGeneration MAY_USE RegistryDefinitionsAsAuthoritativeMetadataContext;

# ---------- SEMANTIC REASONING ----------
IF SystemManagesAuthoritativeMetadataDefinitionsIdentifiersVersionsAndStatuses
THEN MetadataRegistryClassification := supported;

IF ProposedIdentifierDuplicatesExistingIdentifier
THEN Registration SHOULD_BE RejectedOrResolved;

IF ProposedTermSemanticallyDuplicatesExistingTerm
THEN ReuseOrMapping SHOULD_BE Evaluated;

IF EntryDeprecated
THEN NewMetadata SHOULD_PREFER ReplacementWhereDefined;

IF RegistryDefinitionChanges
THEN DependentSchemasMappingsAndApplications MAY_REQUIRE ImpactReview;

IF RegistryEntryLacksProvenance
THEN TrustConfidence SHOULD_DECREASE;

IF WriteOperationNotAuthorised
THEN RegistryChange MUST_NOT_BE Applied;

# ---------- SEMANTIC EQUIVALENCE ----------
SEMANTIC_EQUIVALENCE {
    "metadata registry" ~= "metadata definition registry";
    "metadata element registry" ~= "metadata registry" WHEN element_definitions_are_primary;
    "registry entry" ~= "registered metadata definition";
    "registered term" ~= "registry metadata term";
    "registration status" ~= "registry status";
    "metadata registrar" ~= "registry registrar";
    "metadata registry mapping" ~= "registered semantic mapping";
    "registry version" ~= "registered definition revision";
}

# ---------- QUERY FLOW ----------
QUERY(q) ->
    NORMALISE(q) ->
    IDENTIFY_REGISTRY_OBJECT_TYPE(q) ->
    IDENTIFY_IDENTIFIER_OR_LABEL(q) ->
    IDENTIFY_NAMESPACE(q) ->
    IDENTIFY_STATUS_AND_VERSION(q) ->
    IDENTIFY_DEFINITION_AND_DATATYPE(q) ->
    IDENTIFY_MAPPINGS(q) ->
    IDENTIFY_PROVENANCE_AND_GOVERNANCE(q) ->
    APPLY_ACCESS_CONTROL(q) ->
    SCORE_CONFIDENCE(q) ->
    RETURN_RELEVANT_REGISTRY_KNOWLEDGE;

# ---------- CONFIDENCE ----------
CONFIDENCE(assertion) :=
    weighted_mean(
        registry_authority,
        definition_clarity,
        identifier_stability,
        provenance_quality,
        governance_evidence,
        contextual_relevance
    );

CONFIDENCE >= 0.90 => HIGH;
CONFIDENCE >= 0.70 AND < 0.90 => MODERATE;
CONFIDENCE < 0.70 => REVIEW;

# ---------- AI CONSUMPTION ----------
AI_CONSUMPTION {
    primary_entity: MetadataRegistry;
    ontology: MetadataRegistryOntology;
    parse_entities: true;
    parse_relationships: true;
    preserve_relationship_direction: true;
    resolve_semantic_equivalence: true;
    execute_reasoning_rules: true;
    apply_confidence_weighting: true;
    preserve_provenance: true;
}

# ---------- UPDATE MODEL ----------
UPDATE_MODEL {
    new_registration:
        validate_submission
        -> check_identifier
        -> check_semantic_duplicate
        -> review_governance
        -> approve_or_reject
        -> publish
        -> integrate;

    new_mapping:
        validate_source_target
        -> classify_mapping
        -> attach_confidence
        -> attach_provenance
        -> register
        -> integrate;

    registry_revision:
        preserve_previous_version
        -> apply_approved_changes
        -> update_statuses
        -> update_mappings
        -> perform_impact_analysis
        -> recompute_confidence
        -> regenerate_flow_hash;

    deprecation:
        identify_replacement
        -> change_status
        -> preserve_historical_definition
        -> notify_dependencies
        -> integrate;

    conflict:
        preserve_provenance
        -> compare_definitions_or_authorities
        -> adjust_confidence
        -> flag_review;
}

# ---------- FLOW HASH ----------
FLOW_HASH_INPUT :=
    DOMAIN
    + SUBDOMAIN
    + ONTOLOGY
    + RegistryEntity
    + GovernanceEntity
    + SemanticEntity
    + OperationalEntity
    + RegistryEntry
    + Registration
    + RegistryGovernance
    + RELATIONSHIPS
    + SEMANTIC_REASONING
    + SEMANTIC_EQUIVALENCE
    + UPDATE_MODEL;

FLOW_HASH :=
    HASH(FLOW_HASH_INPUT);

# ---------- TERMINAL ----------
MetadataRegistryOntology
    -> ReceiveMetadataDefinition
    -> ValidateRegistrationSubmission
    -> CheckIdentifierAndSemanticUniqueness
    -> ReviewDefinitionAndGovernance
    -> AssignStatusVersionAndProvenance
    -> PublishRegisteredMetadataObject
    -> EnableDiscoveryResolutionAndReuse
    -> MaintainMappingsAcrossSchemasAndVocabularies
    -> ControlAuthorisedChanges
    -> DeprecateOrSupersedeTermsSafely
    -> PreserveVersionAndAuditHistory
    -> SupportMachineReadableRegistryAccess
    -> MaintainAuthoritativeMetadataDefinitions;

END FLOW