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This is the public web page for the Efficient XML Interchange (EXI) Working Group of the World Wide Web Consortium (W3C). The EXI group is part of W3C's XML Activity. Here we present literature and data that may be of interest to the public. There is also a private page for members of the EXI group, for internal information.
The objective of the Efficient XML Interchange Working Group is to develop a specification for an
Web Services can make your applications Web applications.
Web Services are published, found and used through the Web.
What You Should Already Know
Before you continue you should have a basic understanding of the following:
* HTML
* XML
If you want to study these subjects first, find the tutorials on our Home page.
What are Web Services?
* Web services are application components
* Web services communicate using open protocols
* Web services are self-contained and self-describing
* Web services can be discovered using UDDI
* Web
The XForms model defines a template for the data to be collected in a form.
The XForms Framework
The purpose of an HTML form is to collect data. XForms has the same purpose.
With XForms, input data is described in two different parts:
* The XForm model (to describe the data and the logic)
* The XForm user interface (to display and input the data)
The XForms model defines what the form is, what data it contains, and what it should do.
The XForms user interface defines the input fields and how they should be displayed.
The XForms
Description
XLink defines how to insert links in XML documents. It specifies a framework making it possible for XML applications to recognize XML elements as having link semantics. In addition to the simple, two-ended, unidirectional links which are well-known from HTML, XLink allows more general links, which must not be embedded in the document, can have any number of ends, and can be multidirectional.
XLink is the XML Linking Language. It allows elements to be inserted into XML documents in order to create and describe links between
Introduction
Castor XML is an XML databinding framework. Unlike the two main XML APIs, DOM (Document Object Model) and SAX (Simple API for XML) which deal with the structure of an XML document, Castor enables one to deal with the data defined in an XML document through an object model which represents that data.
Castor XML can marshal almost any "bean-like" Java Object to and from XML. In most cases the marshalling framework uses a set of ClassDescriptors and FieldDescriptors to describe how an Object should be marshalled and unmarshalled from
W3C Schema can quickly become complex and difficult to determine if they are validating the correct vocabulary. The addition of embedded Schematron schema only makes this problem worse. Schema Unit Test (SUT) introduces a framework for testing XML Schema.
This framework has two parts.
The first is a namespace and vocabulary for embedding test cases into sample XML documents, designed to highlight what is legal and what is not legal in the vocabulary defined in the schema under test. This aspect is independent of what schema language is used and
Description
This work defines the XML Pointer Language (XPointer), the language to be used as a fragment identifier for any URI-reference that locates a resource of Internet media type text/xml or application/xml.
XPointer has been split into a framework for specifying location schemes, and three schemes: element(), xmlns() and xpointer(). The framework and the first two schemes form the XPointer Recommendation, and provide a minimal inventory of mechanisms.
The xpointer() scheme, which is based on the XML Path Language (XPath), is still under
XPointer is a system for addressing components of XML based internet media.
At the present time (late 2002), XPointer is divided among four specifications: a "framework" which forms the basis for identifying XML fragments, a positional element addressing scheme, a scheme for namespaces, and a scheme for XPath-based addressing.
The XPointer language is designed to address structural aspects of XML, including text content and other information objects created as a result of parsing the document. Thus, it could be used to point to a section of a
Abstract
This specification defines the XML Pointer Language (XPointer), the language to be used as the basis for a fragment identifier for any URI reference that locates a resource whose Internet media type is one of text/xml, application/xml, text/xml-external-parsed-entity, or application/xml-external-parsed-entity.
Status of this Document
This document has been superceded.
The design described in previous versions of this document has been factored into a basic framework (http://www.w3.org/TR/xptr-framework/) which defines XPointer schemes
XPointer, a language for referring to locations of fragments of an XML document, brings similar (but more expansive) capabilities to using URLs with hashes in order to link to a particular point in an HTML document. Learn more about this language, including the controversy it has stirred up and the alternative schemes it has spawned.
The XPointer Framework [W3C Recommendation] defines a language that you can use to refer to fragments of an XML document. You're perhaps already familiar with how you can use URLs with hashes ("#") in them to link to a