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The Content Checker tool assists in the consist application of XML Schema specifications to real business transactions. Many content standards are emerging today based on XML Schema. These specifications define semantics and structure for data to be exchanged between systems. However, in the interest of creating reusable standards, the specifications often do not capture the full range of semantics which will be needed in individual transactions.
As industry standards are increasingly built with flexibility to support users in various industrial sectors such as automotive, healthcare, formal semantics and structure requirements have been placed into separate layers of specification and some are delayed until the standard implementation. In addition, most popular schema languages do not provide sufficient expressiveness to support accurate and precise semantic expression.
An extensively sophisticated schema specification will be too complex a specification for implementers to effectively use. A simplistic schema specification, on the other hand, will be too loose and will allow for imprecise specifications. Nevertheless, the separation of lexicons, structures, and semantics of a content specification into layers positively affects the adoption of the standard.
The Content Checker seeks to complement this structure by providing a facility to precisely specify, extend, and test for conformance data being exchanged based on the semantics defined in an XML schema, or content standard.
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