ISO/IEC 19757-3:2020

Name: ISO/IEC 19757-3:2020 — Information technology — Document Schema Definition Languages (DSDL) — Part 3: Rule-based validation using Schematron
SKU: ISO/IEC 19757-3:2020
Price: 70200 RUB
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Information technology — Document Schema Definition Languages (DSDL) — Part 3: Rule-based validation using Schematron

Название (английский):

Information technology — Document Schema Definition Languages (DSDL) — Part 3: Rule-based validation using Schematron

Статус документа:: Отменён
Формат:: Электронный (PDF)
Количество страниц:: 39
Дата публикации:: 3 июня 2020 г.
Издание:: ISO/IEC IS 19757 edition 3 version 1
ICS:: 35.240.30

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Описание (английский):

This document specifies Schematron, a schema language for XML. This document establishes requirements for Schematron schemas and specifies when an XML document matches the patterns specified by a Schematron schema. Schematron uses query languages such as XPath for writing assertions.

Abstract

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Упомянутые в описании и другие стандарты ISO

Overview

ISO/IEC 19757-3:2020 defines Schematron as a rule-based schema language for XML within the DSDL (Document Schema Definition Languages) framework. The standard establishes syntax, semantics and conformance requirements for Schematron schemas and specifies when an XML (or SGML-derived XML) document matches the patterns expressed by a Schematron schema. Schematron relies on query languages such as XPath (and bindings to XSLT/XPath versions) for writing assertions and producing validation outcomes.

Key topics and technical requirements

Schema syntax and core elements: normative definitions for Schematron constructs including schema, pattern, rule, assert, report, diagnostic, and supporting elements such as let, ns, name, param, include, extends, active.

Well-formedness and namespace rules: requirements for valid Schematron documents (whitespace handling, namespace usage).

Semantics and validation function: formal description of how Schematron patterns and rules determine whether an XML document conforms.

Query language bindings: normative bindings for multiple environments - XSLT 1/2/3 and XPath 2/3 are covered in annexes; EXSLT and STX bindings are informative. These bindings define how XPath/XSLT expressions are evaluated in Schematron assertions.

Annexes and artifacts: includes a RELAX NG schema for Schematron (Annex A), Schematron constraints schema (Annex B), the Schematron Validation Report Language (SVRL) example (Annex D), and additional normative/query-binding annexes.

Conformance levels: clauses for simple conformance and full conformance that tool vendors and implementers must follow.

Applications and practical value

Rule-based XML validation: express constraints that are difficult or impossible with grammar-based schemas (e.g., inter-element co-occurrence, conditional rules).

Complementary validation: integrate with other DSDL parts (e.g., RELAX NG) to perform layered validation across different parts of an XML document.

Customizable reports: produce targeted validation messages and diagnostics (SVRL examples provided) to support QA, publishing workflows, and automated XML pipelines.

Portable validation logic: query-language bindings let you run Schematron rules in diverse environments (XSLT processors, XPath-capable engines).

Who should use this standard

XML architects and schema authors who need expressive, rule-based validation.

Software developers and tool vendors implementing Schematron validators or integrating validation into toolchains.

QA engineers, technical writers and content managers who require precise validation rules and actionable report output.

Standards bodies and integration projects that combine multiple schema technologies under DSDL.

ISO/IEC 19757-3:2020

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and practical value

Who should use this standard

Related standards

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