Corporate data: So-called “global” master data that applies to the entire company. In contrast with this, “local” master data applies only to one business division, one location or one company role.
Source: Otto, Boris; Österle, Hubert: Corporate Data Quality: Prerequsite for Successful Business Models, 2015 (http://www.cdq-buch.de/)
By the way business partner data (vendor data & customer data) can be maintained collaborativly. This is done alreay today by the Corporate Data League (CDL).
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