*XML*: http://www.w3.org/XML *XML Namespaces*: http://www.w3.org/TR/REC-xml-names *XML Schemas*: http://www.w3.org/XML/Schema *WDDX*: http://www.openwddx.org/ *REST*: http://internet.conveyor.com/RESTwiki/moin.cgi/FrontPage *XML-RPC*: http://www.xmlrpc.com/ *SOAP*: http://www.w3.org/TR/soap *WSDL*: http://www.w3.org/TR/wsdl *Web Services Activity*: http://www.w3.org/2002/ws/ *W3C*: http://www.w3.org/ *OASIS committees*: BR/ http://www.oasis-open.org/committees/committees.php *Cover Pages*: http://xml.coverpages.org/ *WebServices.org*: http://webservices.org/ Web Services section at http://talks.php.net/ Papers at http://webservices.org/ XML-RPC tutorials at http://www.xmlrpc.com/directory/1568/tutorialspress