(a) data resource metamodels support the ability to model legacy and non-legacy
data resources including object-oriented, relational, record, multi-dimensional,
and XML data resources (Figure 27.5 shows the CWM Relational Data
Metamodel);
(b) data analysis metamodels represent such things as data transformations, OLAP
(OnLine Analytical Processing), data mining, and information visualization;
(c) warehouse management metamodels represent standard warehouse processes and
the results of warehouse operations;
(d) foundation metamodel supports the specification of various general services such
as data types, indexes, and component-based software deployment.