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CAM came about as part of the ebXML project. It was seen that there was a need for a mechanism to allow documents to be created that reflected the Business Context in which they are to be used. It was hoped that the Libraries of documents would be produced and CAM would be a mechanism to refine those documents into the final usable on-the-wire format.
CAM does this by bridging the gap between traditional schema languages and the need for more flexibility in expressing actual business documents. Examples where the use of schemas is not enough abound, but typical use-cases involve fields that vary in length depending on the business context. Rules about content of a field depending on the geography that a document is to be used in, etc.
jCAM is an open source solution - and it is now integrated with the Hermes ebXML message server.
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