Learning Materials

Well, here is some good, easy and standard tutorials for the w3c technologies:
http://www.w3.org/2002/03/tutorials
You may go for:

• Accessibility
• HTML
• Internationalization
• CSS
• P3P
• Semantic Web
• SOAP 1.2
• VoiceXML 2.0
• XForms
• XML Schema

Also there is a More tutorials section introducing:

• CSS tutorials
• HTML tutorials
• P3P Tutorials
• RDF Tutorials
• SMIL Tutorials
• URI tutorials
• XSL Tutorials
• XML Tutorials
• XML Encryption and XML Signature tutorials

you should always take a look at: http://www.w3schools.com
where you may find:

• HTML Tutorials
• XML Tutorials
• Browser Scripting
• Server Scripting
• .NET (dotnet)
• Multimedia
• Web Building