XML
    XML Specifications (5)
    XML Namespaces (4)
    Groves (2)
    XML related (4)
    XML unclassified (12)
    XML News (6)
    XML Updated aperiodically (7)
    Mailing lists and discussion groups (3)
    XML Query (3)

Schemata
    Schema General (2)
    Schema Repositories (6)
    Schema Languages (6)
        XML Schema (9)
        Schematron (4)
    XML Vocabularies (12)

XML Linking
    XML Linking General (6)
    XML Linking Software (1)

Style
    XSL
        XSL Specifications (4)
        XSL General (3)
        Learning XSLT (9)
        Learning XSL-FO (3)
        XSL Software (14)
    CSS (7)

Distributed XML
    XML Protocols (5)
    Web Services (10)

XML Software
    XML APIs and Parsers (9)
    XML Data Binding (13)
    Miscellanous Developer Software (1)
    XML Databases/Repositories (6)
    Miscellaneous Products (6)
    XML Frameworks (6)

Semantic Web
    Metadata
        Metadata Miscellaneous
        RDF
            RDF Miscellaneous (6)
            Learning RDF (4)
            RDF Specifications (2)
            RDF Frameworks (3)
        Topic Maps
            Learning Topic Maps (4)
    Semantic Web General (10)
    Artificial Intelligence (1)

Java
    Java General (1)
    Building Web-Application (6)