XQuery Related Specifications

XQuery Specifications
http://www.w3.org/XML/Query/

XQuery API for Java (JSR-225)
http://jcp.org/en/jsr/detail?id=225

Information on XPath specification
http://www.w3.org/TR/xpath

XML Schema
http://www.w3.org/TR/xmlschema-1/

Document Object Model, DOM Level 3
http://www.w3.org/DOM/

JDBC API Specification 3.0
http://java.sun.com/products/jdbc

StAX - Stream API for XML
http://dev2dev.bea.com/technologies/stax/index.jsp