50
P.A. Bernstein, S. Melnik: Meta Data Management, ICDE'04 Boston
Model reintegration
lDesign pattern
ØReconcile independent changes
ØAll changes of each model
ØNo “duplicate additions”
lSimplified example
Ø“Additions” = add model element
   (also: drop constraints, reorg. model)
Ø“Deletions” = delete model element
   (also: add constraints, reorg. model)
ØMappings shown as lines betw. elements
l
Ø