HLADM

HLADM is an acronym used in information management to refer to a High-Level Administrative Data Model, a conceptual framework for describing administrative data across information systems. It is not a mandatory standard but a design approach that supports interoperability and governance by providing a common semantic layer atop diverse data sources.

Core concepts: The model centers on high-level entities such as Person, Organization, Location, and Event, along with relationships like affiliation, ownership, and participation. Attributes emphasize stable identifiers, names, dates, statuses, and roles, while implementation-specific details are left to domain models within individual systems. The abstraction enables mapping between heterogeneous databases and supports master data management across applications.

Governance and standards: HLADM-inspired designs are typically stewarded by organizational data governance teams and aligned with broader practices for data quality, privacy, and security. They may reference national or industry identifiers and privacy standards while allowing localization to meet regulatory requirements.

Applications: In government, education, and enterprise administration, HLADM-style models facilitate data integration, shared services, identity resolution, and reporting. They help coordinate access controls by defining layer boundaries between administrative identities and operational data.

Limitations: As an abstraction, concrete implementations require careful domain modeling to avoid semantic gaps. Adoption depends on organizational commitment and the ability to map HLADM concepts to performance-oriented schemas and legacy systems.

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