W3C RDF (Resource Description Framework) W3C MarkUp Validation Service W3C Schema XML Protocol Working Group Walidator Walsh, Norm Web Services Description Language (WSDL) Web Services Interoperability Organization (WSI) web sites for online XML testing WebLogic Integration well-formedness 2nd Wf.class wf.jar wiki.sgm wikis conversion to XML using SGML description as SGML document type maps to entity references STARTTAG entity references wiki dialects wikis as SGML WikiWikiWeb Windows [See Microsoft] Word 2003 [See Microsoft] WordprocessingML worksheet.xml WSDL (Web Services Description Language) WSI (Web Services Interoperability Organization) wyeast.rss