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Similarity flooding: a versatile graph matching algorithm and its application to schema matching

Melnik, S., Garcia-Molina, H., Rahm, E.·2003·Proceedings 18th International Conference on Data Engineering

Abstract

Matching elements of two data schemas or two data instances plays a key role in data warehousing, e-business, or even biochemical applications. In this paper we present a matching algorithm based on a fixpoint computation that is usable across different scenarios. The algorithm takes two graphs (schemas, catalogs, or other data structures) as input, and produces as output a mapping between corresponding nodes of the graphs. Depending on the matching goal, a subset of the mapping is chosen using filters. After our algorithm runs, we expect a human to check and if necessary adjust the results. As a matter of fact, we evaluate the 'accuracy' of the algorithm by counting the number of needed adjustments. We conducted a user study, in which our accuracy metric was used to estimate the labor savings that the users could obtain by utilizing our algorithm to obtain an initial matching. Finally, we illustrate how our matching algorithm is deployed as one of several high-level operators in an implemented testbed for managing information models and mappings.

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Metadata

Authors
Melnik, S., Garcia-Molina, H., & Rahm, E.
Venue
Proceedings 18th International Conference on Data Engineering
Published
2003-06-25
Pages
117-128
ISSN
1084-4627 (ISSN-L)
OpenAlex
W2156543375
Cited by
1,341
References
1
FWCI
50.09
Type
conference paper
Language
en
Open access
closed

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CoChat. (2026). Citation check: Similarity flooding: a versatile graph matching algorithm and its application to schema matching. https://app.cochat.ai/papers/10.1109/icde.2002.994702
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Melnik, S., Garcia-Molina, H., & Rahm, E. (2003). Similarity flooding: a versatile graph matching algorithm and its application to schema matching. Proceedings 18th International Conference on Data Engineering. https://doi.org/10.1109/icde.2002.994702

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.