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P.A. Bernstein, S. Melnik: Meta Data Management,
ICDE'04 Boston
Anatomy
Matching Algorithm
1.Lexical Match
•Normalize string,
UMLS dictionary lookup, convert to concept-ID from thesaurus
2.Structure Match
•Similarity(reified
nodes)
= Average(neighbors)
= Average(neighbors)
•Back-propagate to
neighbors
•Adds 64 matches (to previous 3503)
•Implies 875
reified relationship matches