Meaning
International standard specifying a rule-based schema language for describing and validating constraints on XML documents through Schematron. This specification provides a mechanism for asserting rules that go beyond the capabilities of grammar-based languages. It allows for the validation of document consistency.
Validation Logic
Implementations of iso 19757-3 rely on the identification of patterns within the document tree using path expressions. A processor evaluates assertions against a specific context to determine if a business rule is satisfied. This approach enables the detection of errors that depend on the value of related nodes in the same file.
Manufacturers use these rules to ensure that part numbers in an invoice match the quantities listed in a shipping manifest.
Schema Governance
Governance of data standards across international supply chains requires a method to enforce local business requirements alongside global formats. The standard supports the creation of modular validation sets.
Compliance Scope
Compliance with the standard is determined by the ability of a processor to handle the specified syntax and reporting requirements. The document focuses on the Schematron language and excludes the transport or storage of the data. External entities often require this level of validation for regulatory filings in the financial and pharmaceutical sectors.
It provides a reliable framework for automated quality control in high-volume data environments.
