Fast Error-correcting Graph Isomorphism Based on Model Precompilation (1996)
| Venue: | TECHNISCHER BERICHT IAM-96-012, INSTITUT FÜR INFORMATIK, UNIVERSITÄT |
| Citations: | 9 - 0 self |
BibTeX
@TECHREPORT{Messmer96fasterror-correcting,
author = {B. T. Messmer and H. Bunke},
title = {Fast Error-correcting Graph Isomorphism Based on Model Precompilation},
institution = {TECHNISCHER BERICHT IAM-96-012, INSTITUT FÜR INFORMATIK, UNIVERSITÄT},
year = {1996}
}
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Abstract
In this paper we present a fast algorithm for the computation of errorcorrecting graph isomorphisms. The new algorithm is an extension of a method for exact subgraph isomorphism detection from an input graph to a set of a priori known model graphs, which was previously developed by the authors. Similarly to the original algorithm, the new method is based on the idea of creating a decision tree from the model graphs. This decision tree is compiled off-line in a preprocessing step. At run time, it is used to find all error-correcting graph isomorphisms from an input graph to any of the model graphs up to a certain degree of distortion. The main advantage of the new algorithm is that error-correcting graph isomorphism detection is guaranteed to require time that is only polynomial in terms of the size of the input graph. Furthermore, the time complexity is completely independent of the number of model graphs and the number of edges in each model graph. However, the size of th...
Citations
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