Find the structure your AI needs.
A live registry of versioned meta-model specifications and clearly labelled research profiles. Search by family, category, industry, domain, name or tags; storage formats and interfaces remain independent.
Clearing / Settlement
Clearing of payment and trade obligations and their final settlement between accounts.
Climate
Climate normals, extremes and trends for a place or region over a reference period.
Clinical / Biological Specimen
Represent one governed physical material specimen and its source-qualified collection, derivation, condition, custody, quality, use and disposition history.
Clinical Observation / Diagnosis
Represent one source-qualified clinical assertion, explicitly profiled as an observation result, clinical impression or diagnosis-condition, so agents can interpret evidence, stat…
Commercial Contract
Give agents the context needed to identify, form, read, operate and close a legally binding commercial agreement between two or more parties as a jointly owned record, independent…
Communication Interaction
Provide the format-neutral context an agent needs to open, conduct, evidence, classify, correlate and close a communication interaction - a bounded exchange of contact turns betwe…
Communications Service
Describe a persistent communications service provision and the scoped evidence supporting its dependencies, capability and assurance.
Component Type / Engineering BOM
Describe reusable type-level engineering composition distinctly from as-built assembly.
Concept / Term
Represent a stable, identified semantic concept as a unit of thought that is independent of any label, language or storage format, together with the designations, definitions, not…
Configuration Record
Preserve a versioned declaration of intended configuration with identity, applicability and accountable evidence, distinct from observed runtime state.
Conservation Status Assessment
Preserve one attributable, versioned conservation assessment with its subject, scope, method, evidence, result and review history.
Constraint / Requirement Rule
Represent one governed formal or formalizable rule that constrains, requires, permits or prohibits a subject under explicit applicability, authority and evaluation semantics.
Construction Work
Describe and review one bounded construction undertaking from definition through execution, partial outcomes and retained completion history.
Consumable / Supply
Items used up in normal use, with stock, consumption and replenishment.
Contact Point
Provide a reusable, format-neutral mixin that describes one addressable communication channel bound to a subject, together with its medium, canonical address value, purpose/contex…
Contact Point / Party Profile
Provide a reusable, format-neutral contact-profile component that any party model (person, organization, role or other party) can mix in, so that addressable channel endpoints, co…
Content Provenance Credential
Represent an issuer-attributable, integrity-protected and asset-bound set of provenance assertions with verifiable lineage, status, validation and disclosure context.
Content Publication
Represent one governed content-publication operation that binds an external content revision, records review and authority, issues a release instruction, observes origin and downs…
Context Assembly
Record the selected, ordered and transformed inputs prepared for one model invocation, their source lineage, budget accounting and visibility limits.
Context Policy
Describe an authorized, scoped policy whose applicable constraints take precedence over ordinary memory use at each recall.
Controlled Item
Objects whose possession, transfer, export or use requires legal authorisation.
Court / Arbitration Case
Represent a governed court, tribunal or arbitration proceeding with authoritative docket identity, procedural history and child legal records independent of storage and interface …
Creative Work
Describe one intellectual or artistic work across its realizations, keeping the work distinct from media assets, editions, copies, rights and publication events.
Credit / Security
Connect separately mastered financial instruments, positions, obligations and security rights through a typed, evidenced reference pattern.
Crop Variety / Cultivar
Govern a persistent crop variety or cultivar identity and its evidenced agricultural context across descriptions, holdings, maintainers and regional determinations.
Cryosphere
Glaciers, ice sheets, sea ice, snow cover and permafrost and their measured change.
Crypto / Token
Transferable tokens recorded on a distributed ledger, with issuer, rights and transfer rules.
Cultivated Organism
Crop stands and farm animals raised under management, through seasons, inputs and harvest.
Cultural Artifact
Describe one physical cultural artifact and its attributed significance, history, care and governed documentary context.
Currency / Monetary Value
Provide an embeddable declaration of a monetary value on a host object: an exact decimal amount bound inseparably to an identified currency, with declared precision and rounding i…
Customer / Account Relationship
Describe a customer relationship mastered by CRM, including seller scope, role, lifecycle, commercial references and accountable context.
Customs Declaration / Clearance
Represent one customs declaration and its attributed processing, assessment and release evidence across revisions.
Cyber Incident
Represent an occurrence or linked set of occurrences determined to have actually or imminently compromised protected digital systems, information, services or computer-controlled …
Cyber Integrity
Represent evidence-qualified cyber security context attached to an externally mastered system, device or endpoint.
Data Lineage
Provide a format-neutral, composable pattern for asserting, evidencing and governing how datasets and their fields were derived from other datasets and fields through processing a…
Data Pipeline
Represent one governed reusable data pipeline definition whose topology, interfaces, logic references, policies and controls can be understood and projected without absorbing runt…
Data Processing Job / Pipeline Run
Represent one governed data-processing execution so agents can reconstruct what was requested, authorized, resolved, run, observed, produced and corrected without treating orchest…
Data Catalog Entry / Data Product
Represent one governed catalog record and the distinct data-product offering it describes so agents can discover, evaluate and request consumption without confusing metadata publi…
Data Quality Assessment
Represent one governed, reproducible assessment that qualifies data quality for a declared subject, version, population, purpose and time without treating quality as a universal i…
Data Schema / Data Contract
Give an agent the context needed to understand, author, validate, version and operate a governed description of data structure, semantics and constraints, together with the produc…
Dataset
Describe a dataset as a catalogued, identifiable data asset so that an agent can register it, understand its scope and structure, serve it through distributions and services, judg…
Debt Instrument
Represent one governed debt instrument as the identity-bearing contractual definition of a debtor obligation and creditor claim, including economic terms, schedules, protections a…
Decision / Approval Activity
Provide the context an agent needs to understand, create, inspect and operate a single decision or approval activity occurrence: the authority under which it was taken, the inputs…
Decision / Approval Record
Provide the format-neutral context an agent needs to identify, create, interpret, validate and operate an authoritative record of a decision or approval: what was decided, on what…
Decision / Rationale
Govern the decision as an inspectable knowledge object: the issue to be resolved, the objectives and constraints that frame it, the alternatives considered, the criteria and evalu…
Defect / Bug
Give an agent the context needed to record, classify, assess, resolve and retire a software defect record, from first observation to verified closure and disposition.
Defense Force
Describe one constituted defense institution through identity, policy authority, organizational references and accountable stewardship.
Dependency / Impact
Provide a reusable, format-neutral mixin for recording identified, versioned assertions that one externally owned endpoint depends on one or more other externally owned endpoints,…
Deployment
Context an agent needs to record, inspect and reason about a deployment: the identified act and standing fact of a release installed into a runtime environment target, with declar…
Detention / Custody
Describe one person-specific episode of deprivation of liberty through qualified authority references, custody continuity, safeguards and accountable records.
Device / Sensor / Compute HW
Describe one physical device, sensing unit or computing hardware unit through governed identity, capabilities, state assertions and evidence links.
Digital Identity / Account
Describe one persistent digital identity record or subscriber account within a declared identity-service authority and namespace.
Digital Signature / Proof
Provide a reusable, format-neutral mixin for attaching digital signatures and cryptographic proofs to any host record: the proof instance itself, its method and parameters, the si…
Digital Thread
Define a governed pattern for tracing lifecycle information across separately mastered design, physical-item, operations and twin records.
Digital Twin
Virtual representations kept in sync with a specific physical asset, process or system.
Dimension and Hierarchy
Describe a reusable analytical dimension and its versioned hierarchy bindings so consumers can select, group and interpret measures without inventing member identity or roll-up se…
Disease / Biological Condition
Represent one governed biological condition occurrence concerning an organism plus immutable source-qualified assertions about its identity, course, evidence and relationships.
Dispute Forum
Describe an identifiable dispute-resolution forum, its mandate, competence, procedural offerings and accountable record stewardship.
Distributed Ledger Network
Describe one persistent distributed ledger network and its protocol, participation, governance and evidence context.
Document / Record
Give agents one format-neutral vocabulary for treating a document as a governed record: a stable information object whose identity outlives any file, carried through immutable ver…