Join our XML Xpert as he builds a window to the world of news. Theintro to this handy Java applet peers into the parsing of RSS files,and pries open their content for all to see.

Introduction to Data - Part 9 of our Introduction to the Web Application Development Environment (Tools) series continues our look at the web technologies that define, describe, or standardize the basic characteristics of the data.

There are many rules you must follow in order to assure that your XML document is well-formed. But even when you write well-formed XML documents, you're not quite out of the woods+ACE- You must also make sure that the document is valid. This third and final section deals with making your well-formed XML document valid by using a DTD.

XML is at the root of new security initiatives from IBM and the FSTC.See how they can put you on the fast track to success forbusiness-to-business e-commerce.

Well-formedness has an exact meaning in XML. Specifically, a well-formed document adheres to the syntax rules specified by the XML 1.0 specification. In this month's tutorial, Selena looks at those rules in depth.

Sick of reading about XML on every-other headline these days without really understanding what it is? Well, here's your chance to +ACI-get it.+ACI- Part I of Selena Sol's four-part XML tutorial explains this new markup language from top to bottom, front to back -- with clear, easy-to-understand examples. It'll make an XML eXpert out of you

HTML is about the display of content, XML is about creating, sharing andprocessing information. XML gives you a way to define tags that arespecific to a particular purpose and describe information consistently.This consistency means XML can be processed automatically, in a widevariety of situations.

While XML is a powerful, flexible, and intuitive way to structure data, it does not, by itself, process the data. One technology which can be employed to process XML data is the Document Object Model, a construct which provides programatic access to the components of an XML document.

John Pavlov of Interleaf explains how implementing structured documents ascollections of reusable data elements is the key to simpler regulatoryfilings.

Beta 2 of Datachannel/Microsoft XML Parser now available.

The electronic future of printing and publishing is being built at thistrade conference. A walkabout by insider David Weinberger.

The revolution is coming, will you be ready? XML is on its way and ifyou don't know how to separate form from function you may be settingyour sites too low. Find out how to modularize your HTML to preparefor the coming XML/XSL perestroika.

In the rush to learn, implement, and profit from XML, many of thequestions being asked are the same ones which came up when HTMLwas new. Can we learn from the lessons of HTML and make the Weba more productive and reliable resource for providers and usersalike? By Peter Flynn.

The eXtensible Style Language will be the CSS of XML, if the W3C can get its ACT together.Past Columns