Integration Workbench: Integrating
Schema Integration Tools
May 2006
Peter Mork, The MITRE Corporation
Arnon Rosenthal, The MITRE Corporation
Len Seligman, The MITRE Corporation
Joel Korb, The MITRE Corporation
Ken Samuel, The MITRE Corporation
ABSTRACT
A key aspect of any data integration endeavor is establishing
a transformation that translates instances of one
or more source schemata into instances of a target
schema. This schema integration task must be tackled
regardless of the integration architecture or mapping
formalism. In this paper we provide a task model for
schema integration. We use this breakdown to motivate a
workbench for schema integration in which multiple tools
share a common knowledge repository.
In particular, the workbench facilitates the interoperation
of research prototypes for schema matching (which
automatically identify likely semantic correspondences)
with commercial schema mapping tools (which help produce
instance-level transformations). Currently, each of
these tools provides its own ad hoc representation of
schemata and mappings; combining these tools requires
aligning these representations. The workbench provides a
common representation so that these tools can more rapidly
be combined.
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