81
P.A. Bernstein, S. Melnik: Meta Data Management,
ICDE'04 Boston
Schema
Matching Problem
lInput
ØSchemas S1 and S2
ØPossibly data
instances for S1 and S2
ØBackground
knowledge – thesauri, validated
matches, standard schemas, constraints (keys, data types),
ontologies, NL glossaries, etc.
lOutput
ØCorrespondences
between elements of
S1 and S2
S1 and S2
Used
by permission of Erhard Rahm, Hong Hai Do, and Sergey Melnik