Web Services Tutorial

Web Services

Web services are web application components.

Web services can be published, found, and used on the Web.

This tutorial introduces WSDL, SOAP, UDDI, and RDF.


  • WSDL stands for Web Services Description Language
  • WSDL is an XML-based language for describing Web services.
  • WSDL is a W3C recommendation


  • SOAP stands for Simple Object Access Protocol
  • SOAP is an XML based protocol for accessing Web Services.
  • SOAP is based on XML
  • SOAP is a W3C recommendation


  • UDDI stands for Universal Description, Discovery and Integration
  • UDDI is a directory service where companies can search for Web services.
  • UDDI is described in WSDL
  • UDDI communicates via SOAP


  • RDF stands for Resource Description Framework
  • RDF is a framework for describing resources on the web
  • RDF is written in XML
  • RDF is a W3C Recommendation

Color Picker