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Well-Known Taxonomies (and tModelKeys)

The UDDI Spec TC recently discussed a TN for understanding Key Partitions. I had submitted some comments to the TC. In discussion these comments, we talked about the concept of "well-known" taxonomies (with well-known tModelKeys).

It turns out that has a place to register such well-known tModels.

Perhaps standards groups should be reminded and encouraged to use it.

For example, WS-PolicyAttachment defines tModelKey=""

I don't think W3C has addressed how it might handle UDDI keys that they might produce. For example, the tModelKey above comes from the earlier versions of WS-PolicyAttachment before a W3C WG was formed.

Like namespaces, where WSDL 1.1 used, but WSDL 2.0 uses, W3C may want to define their own UDDI keys (e.g., and then publish them at Or better yet, stand up a UDDI registry at W3C or IANA to register such tModels.

While I'm on the topic, just like RDDL is used as a "namespace document", RDDL could (SHOULD) also be used as a "taxonomy document". The overviewURL of the tModel would point to a RDDL document (as I have mentioned before). Focus Areas: BPEL | DITA | ebXML | IDtrust | OpenDocument | SAML | UBL | UDDI
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