Whence BP Meta Model etc.?

I am looking to find the working documents describing the BP meta model.
I am also interested
in being pointed to the documents capturing the classification schemes
from core components.

Can anyone point me to the right documents?

BTW I am also interested in the URL for the private group pages for BP
and CC. What mailing lists
should I subscribe to if I want to keep up with classification schemes
for various working groups?

--
Regards,
Farrukh

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