Aumüller, D. ; Do, H. ; Maßmann, S. ; Rahm, E.

Schema and ontology matching with COMA++

SIGMOD Conference

2005 / 06


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We demonstrate the schema and ontology matching tool
COMA++. It extends our previous prototype COMA utilizing a
composite approach to combine different match algorithms [3].
COMA++ implements significant improvements and offers a
comprehensive infrastructure to solve large real-world match
problems. It comes with a graphical interface enabling a variety of
user interactions. Using a generic data representation, COMA++
uniformly supports schemas and ontologies, e.g. the powerful
standard languages W3C XML Schema and OWL. COMA++
includes new approaches for ontology matching, in particular the
utilization of shared taxonomies. Furthermore, different match
strategies can be applied including various forms of reusing
previously determined match results and a so-called fragmentbased
match approach which decomposes a large match problem
into smaller problems. Finally, COMA++ cannot only be used to
solve match problems but also to comparatively evaluate the
effectiveness of different match algorithms and strategies.