If you have done an Internet search, bought anything from a Web site or subscribed to a news alert service, chances are you used a special computer document language called XML. Similar to HTML, which is used to format web pages, XML allows computers to exchange information and act on it. Rules called schemas that stipulate precisely the type of information included in the document and how to handle it are critical to XML communication. Every month thousands of new schemas are introduced. Not all of them, however, are precise enough to transmit the needed information without misunderstandings.
Read More