The remit of Work Package 4 is to design a mechanism whereby registry information may be managed and distributed in a robust, scalable fashion and provide a query schema used to interrogate the registry.
Design a Query Schema for interrogating the registry
Define the interfaces whereby the above 2 will be achieved
Define the interfaces whereby registry contents may be managed
Note "Distributed" in the sense used above can mean many things from referenced (pointers to data) through to replicated (copies of data). At the conclusion of Rwp04 a definition will have been finalised!