* XML Metadata Interchange ( XMI )

* PRISM or Publishing Requirements for Industry Standard Metadata, XML metadata vocabularies for syndicating, aggregating, post-processing and multi-purposing content

; Dysfunctional interchange format: While the XMI ( XML Metadata Interchange ) standard is designed to facilitate the interchange of UML models, it has been largely ineffective in the practical interchange of UML 2. x models.

One purpose of XML Metadata Interchange ( XMI ) is to enable easy interchange of metadata between UML-based modeling tools and MOF-based metadata repositories in distributed heterogeneous environments.

: ISO / IEC 19503: 2005 Information technology – XML Metadata Interchange ( XMI )

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* XML Metadata Interchange

* Metadata Object Description Schema ( MODS ), an XML file format used for a bibliographic element-set

* MIX ( Z39. 87 ): NISO Metadata for Images in XML, a standard for encoding metatdata about digital images and image collections

The MDA model is related to multiple standards, including the Unified Modeling Language ( UML ), the Meta-Object Facility ( MOF ), XML Metadata Interchange ( XMI ), Enterprise Distributed Object Computing ( EDOC ), the Software Process Engineering Metamodel ( SPEM ), and the Common Warehouse Metamodel ( CWM ).

However Schematron works for Extensible Markup Language ( XML ) trees while OCL makes it possible to navigate MOF-based models and meta-models ( i. e. XML Metadata Interchange ( XMI ) trees ).

Instances of the metamodel are exchanged via XML Metadata Interchange ( XMI ) documents.

* XML Metadata Interchange ( XMI )

Metadata is provided in the METS / MODS version of XML and XML provides the basis for larger hierarchical structures as well.

* Metadata Authority Description Schema ( MADS ), an XML schema for an authority element set that may be used to provide metadata about agents ( people, organizations ), events, and terms ( topics, geographics, genres, etc.

XML Metadata Interchange ( XMI ) is the format for UML model interchange.

Learning Object Metadata is a data model, usually encoded in XML, used to describe a learning object and similar digital resources used to support learning.

XML Localisation Interchange File Format ( XLIFF ) is intended to provide a single interchange file format that can be understood by any localization provider.

The Data Interchange Standards Association serves as the secretariat for ASC X12 and its X12 EDI and XML standards development process.

* XDI — XRI Data Interchange, a standard for sharing, linking, and synchronizing data (" dataweb ") across multiple domains and applications using XML documents, eXtensible Resource Identifiers ( XRIs ), and a new method of distributed data control called a link contract.

* XLIFF — XML Localization Interchange File Format, a XML-based format created to standardize localization.

UN / CEFACT is an organisation that makes international EDI Electronic Data Interchange standards for electronic trade documents in XML format.

: Because XMPP is not yet encoded as Efficient XML Interchange but as a long-lived XML stream, binary data must be first base64 encoded before it can be transmitted in-band.

VANS traditionally transmitted data formatted as Electronic Data Interchange but increasingly they also transmit data formatted as XML or in more specific " binary " formats.

The solution to this problem consists in XML file compression ( a solution that applies equally well to Flat Files ), which has nowadays gained EXI standards ( i. e., Efficient XML Interchange, which is often used by mobile devices ).

* the FullMoon XML Processor, a framework for processing XMI formats

XMI is a standard for exchanging metadata information via Extensible Markup Language ( or XML ).

* XML Metadata Interchange ( XMI )

* XML Metadata Interchange XMI

∠, the angle symbol in Unicode is List of XML and HTML character entity references | U + 2220

Berkeley DB is also used as the common name for three distinct products ; Oracle Berkeley DB, Berkeley DB Java Edition, and Berkeley DB XML.

DB XML is written in C ++ and supports multiple language bindings, including C ++, Java ( via JNI ), Perl and Python.

XHTML, which is an XML application, supports the HTML entity set, along with XML's predefined entities.

XQuery is an XML based database language ( also named XQL ).

XML is open, machine-readable and cross-platform data format widely used for interoperability among different IT systems.

A Document Type Definition ( DTD ) is a set of markup declarations that define a document type for an SGML-family markup language ( SGML, XML, HTML ).

A DTD is associated with an XML or SGML document by means of a Document Type Declaration.

( Notations declared in the DTD are also referencing external entities, but these unparsed entities are not needed for the validation of documents in the standalone mode of these parsers: the validation of all external entities referenced by notations is left to the application using the SGML or XML parser ).

However this behaviour is application-specific, and requires that the application maintains a catalog of known URNs to resolve them into the notations that have been parsed in a standard SGML or XML parser.

The XML DTD syntax is one of several XML schema languages.

In addition, documents for these XML schema languages have to be parsed separately, so validating the schema of XML documents in pure standalone mode is not really possible with these languages: the document type declaration remains necessary for at least identifying ( with a XML Catalog ) the schema used in the parsed XML document and that will be validated in another language.

In the example below, the XML document is declared with because it has an external subset in its document type declaration:

If the XML document type declaration includes any SYSTEM identifier for the external subset, it can't be safely processed as standalone: the URI should be retrieved, otherwise there may be unknown named character entities whose definition may be needed to correctly parse the effective XML syntax in the internal subset or in the document body ( the XML syntax parsing is normally performed after the substitution of all named entities, excluding the five entities that are predefined in XML and that are implicitly substituted after parsing the XML document into lexical tokens ).

However, many browsers do not check that an XML document conforms to the rules in the DTD ; they are only required to check that the DTD is syntactically correct.

* XML Schema, also referred to as XML Schema Definition ( XSD ), has achieved Recommendation status within the W3C, and is popular for " data oriented " ( that is, transactional non-publishing ) XML use because of its stronger typing and easier round-tripping to Java declarations.