In the context of XML, a vocabulary is a set of XML elements and attributes designed for a specific purpose, often used to exchange information between parties who agree on the vocabulary.
Here's a more detailed explanation:
·
Definition:
An XML vocabulary is a collection of
element and attribute names, along with their meanings and structural
relationships, used to represent data in a structured format.
·
Purpose:
XML vocabularies are used to exchange
information between people who agree on the vocabularies they will use.
·
Types:
·
Encompassing vocabularies: These are intended to be used as the main or only
vocabulary for a document, examples include DocBook, XHTML, and JATS.
·
Enabling vocabularies: These are intended to be integrated into and used
with encompassing vocabularies, examples include MathML and Dublin Core
metadata.
·
Examples
of Vocabularies:
·
DocBook: A
vocabulary for technical documentation.
·
XHTML: A
vocabulary for web pages, a re-working of HTML in XML.
·
JATS (nee NLM): A
vocabulary for journal article tagging.
·
MathML: A
vocabulary for mathematical notations.
·
Dublin Core: A
vocabulary for metadata.
·
How they
are defined:
XML vocabularies are often defined using
XML Schema Definition (XSD) files, which specify the structure and content of
XML documents.
·
Benefits:
·
Data Interchange: XML vocabularies facilitate the exchange of structured data between
different systems and applications.
·
Data Validation: XSD files can be used to validate XML documents against a defined
vocabulary.
·
Data Management: XML vocabularies help to organize and manage data in a structured
way.
·
Examples
of XML Vocabularies in Use:
·
Microsoft Office: Uses XML-based file formats like .docx, .xlsx, and .pptx.
·
Web Browsers: Use XML vocabularies
like XHTML for displaying web pages.
·
Data Integration: XML vocabularies are used to exchange data between different
systems and applications.
·
XML Vocabularies and their
Management
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