Cloud Computing and SOA Convergence in Your Enterprise: A Step ...

88 Chapter 5 Working from Your Data to the Clouds
Create the Information
Model
Legacy
Metadata
Understand Ontologies
Ontologies
External
Metadata
(B2B)
Understand the Data
Data
Dictionary
&
Metadata
Catalog the Data
Data
Catalog
Build Information Model
Information
Model
Figure 5.1 The process of creating an information model from systems within
your problem domain.
must be completed. All architectures are unique in the way they define and
store data.
Any technology that can reverse-engineer existing physical and logical
database schemas will prove helpful in identifying structure and the basis of
metadata within the problem domains. However, while the schema and database
model may give insight into the structure of the database or databases,
they cannot determine how that information is used within the context of
the application or service; that is why we need the next several steps.