Similar to Office_Open_XML_ファイルフォーマット

Namespace-based Validation Dispatching Language

Regular Language description for XML

RELAX NG

REST

XML Schema (W3C)

Schema for Object-Oriented XML

Simple API for XML

StAX

TREX

XLink

XPath

XML namespace

XPointer

XQuery

Apache Cocoon

XML external entity attack

Chinese character description languages

XML Base

Schematron