RDF and XML family
Pre RDF 1.0 (Feb 1999)
XML 1.0, XML Namespaces
Post RDF 1.0:
XPath
XML 1.0 (2nd ed.)
XLink -
W3C Note - mapping Xlinks to RDF
XPointer, XSL, XSLT, ... lots more ...
Dave Beckett
Slide 16.