Catalog
concept#Data#Architecture#Integration#Platform

Structured Data

Formalized, typed data representations that enable machine processing, validation, and exchange.

Structured data denotes formally modelled, typed data and standardized formats that enable machine processing, validation, and interoperability.
Established
Medium

Classification

  • Medium
  • Technical
  • Architectural
  • Intermediate

Technical context

Relational and document databasesSearch and indexing services (e.g., Elasticsearch)Data catalogs and metadata services

Principles & goals

Use explicit typing and schemasEnsure machine-readability and validatabilityPlan backward compatibility for schema changes
Discovery
Enterprise, Domain, Team

Use cases & scenarios

Compromises

  • Inconsistent implementations lead to fragmentation
  • Insufficient governance causes schema sprawl
  • Incorrect typing can cause data loss or misinterpretation
  • Version schemas and plan migrations
  • Clearly separate core vs. extensible fields
  • Establish automated tests and validation pipelines

I/O & resources

  • Existing data sources
  • Schema documentation
  • Governance rules
  • Standardized schema
  • Validated datasets
  • Metadata catalog

Description

Structured data denotes formally modelled, typed data and standardized formats that enable machine processing, validation, and interoperability. It covers schemas, ontologies, type definitions and serialized representations (e.g., JSON-LD, RDF) plus rules for consistency and discoverability during data exchange. Organizations use structured data for search, integration and automation.

  • Improved interoperability between systems
  • Automated validation and data analysis
  • Better discoverability and presentation in search environments

  • Increased initial modelling effort
  • Risk of over-specification for volatile domains
  • Not all legacy data is easy to adapt

  • Schema coverage

    Percentage of data fields covered by the official schema.

  • Validation rate

    Share of records that validate against the schema without errors.

  • Interoperability incidents

    Number of integration failures due to inconsistencies per quarter.

Schema.org for product metadata

Using Schema.org types to standardize product information on websites.

JSON-LD for structured content data

Serializing entities and relationships in JSON-LD for web applications.

RDF/ontologies for knowledge graphs

Modeling domains with RDF and OWL to integrate heterogeneous sources.

1

Inventory and stakeholder workshop to define goals

2

Define a core schema and extension space

3

Implement validation and transformation rules

4

Rollout, monitoring and iterative schema governance setup

⚠️ Technical debt & bottlenecks

  • Unversioned schema in production APIs
  • Missing validation pipelines for incoming data
  • Ad-hoc extensions that are not backward-compatible
Schema evolutionData qualityGovernance overhead
  • Modeling all fields as strings to avoid complexity
  • Local, undocumented extensions in production data
  • Optimizing schema only for one internal system and not for integration
  • Underestimating testing and migration effort
  • Locking in standards too early without practical feedback
  • Lack of governance leads to inconsistent implementations
Data modeling and schema designData integration and ETLData governance and metadata management
Interoperability between servicesData quality and validatabilityDiscoverability and metadata standardization
  • Dependency on standards and versions
  • Legacy systems with incompatible formats
  • Organizational alignment required