Similar to XML_Schema

Open Archives Initiative Protocol for Metadata Harvesting

Extended file attributes

MARC standards

Index (publishing)

XML schema

Tag cloud

Tag (metadata)

Dublin Core

Data dictionary

Transclusion

Namespace

Hashtag

Document type declaration

Meta element

Media type

Resource Description Framework

Apache Axis

Apache Axis2

Apache Batik

Formatting Objects Processor

Apache Pivot

Apache Xalan

Apache Xerces

Apache XML

AxKit