Service Modeling Language (SML) has entries in the Wikipedia.

The SML Wiki can be found at http://en.wikipedia.org/wiki/Service_Modeling_Language 

The SML Wiki provides an overview of SML and model-based management, as well as a facts list on SML, links to Schematron and XML Schema Wikis, and links to SML Specification feedback opportunities through the portal at http://www.serviceml.org/.

-mark