99
P.A. Bernstein, S. Melnik: Meta Data Management,
ICDE'04 Boston
An
Approach to ModelGen
[Atzeni & Torlone, EDBT '96]
[Atzeni & Torlone, EDBT '96]
lMeta-models are made
of patterns
(a)
Object has
sub-object
(b)
Aggregation
has attributes
(c)
Aggregation
has key
lDefine pattern
transformations as rules
ØFor XSD®SQL,
+
lTo translate Ms into meta-modelt (MMt),
ØApply rules that replace patterns in MS that are
not in MMt by patterns that are in MMt
not in MMt by patterns that are in MMt