> I don't know whether this has been discussed before - but has PMML been
> considered as a model exchange format? While it doesn't directly support
> descriptors, CML etc, it is an XML format and with the use of namespaces,
> one could easily include CML fragments, descriptor ontology fragments. A
> nice feature of PMML is that it is support by a number of industry
> heavyweights (as well as R).

Agreed, it looks like PMML is (moving towards) an accepted industry
standard. Certainly worth the effort expanding it. IBM, SAS, and Tibco, well
that covers 95% percent of Pharma ;-)
http://www.dmg.org/about.html

See, e.g. LinkedIn group
http://www.linkedin.com/groups?gid=2328634&trk=anetsrch_name&goback=%2Egdr_1
254161244826_1

Joerg
http://miningdrugs.blogspot.com/