How do we implement a metamodel that is built on another metamodel (meta-metamodel) to support a domain specific framework for a healthcare system management?
u must first evaluate the existing one then built the new one
Your metamodel will be based on the elements of the metametamodel.For example, you have an Ecore model that is your metametamodel, then your extend it to create your domain-specific language metamodel (such as Healthcare). This is your metamodel. As long as you instanciate the metamodel you have a healthcare model. Feel free to share an example of your advances, if you need more help.
For implementation you need some tooling that is capable for metamodeling and then instantiating that as a modeling language. A list of such tools is available at http://www.dsmforum.org/tools.html and there is also a number of industry cases listed at http://www.dsmforum.org/cases.html.
I know personally some cases on health care systems but on medical domain my hands-on experience is mostly related to medical devices. One public one is http://www.embedded.com/design/programming-languages-and-tools/4429401/1/Using-domain-specific-modeling-languages-for-medical-device-development
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