Xml

Semantic web for the working ontologist: modeling in RDF, RDFS and OWL

Dean Allemang, James Hendler.

Learning XML

Erik T. Ray.

Data on the Web: From Relations to Semistructured Data and XML (The Morgan Kaufmann Series in Data Management Systems)

Serge Abiteboul, Peter Buneman, Dan Suciu

Java & XML

Brett McLaughlin.

RELAX NG: a simpler schema language for XML

Eric van der Vlist

XPath 2.0 programmer's reference

Michael Kay.

XML and FrameMaker

Kay Ethier

Semantic Web for the working ontologist: effective modeling in RDFS and OWL

Dean Allemang, Jim Hendler

New perspectives on XML: comprehensive

Patrick Carey.

Programming .NET Web services

Alex Ferrara and Matthew MacDonald.