Upper Bounding the Graph Edit Distance Based on Rings and Machine Learning

David B. Blumenthal; Johann Gamper; Sébastien Bougleux; Luc Brun

doi:10.1142/s0218001421510083

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arXiv · 1907.00203

Upper Bounding the Graph Edit Distance Based on Rings and Machine Learning

David B. Blumenthal·Johann Gamper·Sébastien Bougleux·Luc Brun

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Abstract

The graph edit distance (GED) is a flexible distance measure which is widely used for inexact graph matching. Since its exact computation is NP-hard, heuristics are used in practice. A popular approach is to obtain upper bounds for GED via transformations to the linear sum assignment problem with error-correction (LSAPE). Typically, local structures and distances between them are employed for carrying out this transformation, but recently also machine learning techniques have been used. In this paper, we formally define a unifying framework LSAPE-GED for transformations from GED to LSAPE. We also introduce rings, a new kind of local structures designed for graphs where most information resides in the topology rather than in the node labels. Furthermore, we propose two new ring based heuristics RING and RING-ML, which instantiate LSAPE-GED using the traditional and the machine learning based approach for transforming GED to LSAPE, respectively. Extensive experiments show that using rings for upper bounding GED significantly improves the state of the art on datasets where most information resides in the graphs' topologies. This closes the gap between fast but rather inaccurate LSAPE based heuristics and more accurate but significantly slower GED algorithms based on local search.

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BibTeX RIS

David B. Blumenthal, Johann Gamper, Sébastien Bougleux, Luc Brun. 2019-06-29. Upper Bounding the Graph Edit Distance Based on Rings and Machine Learning. https://doi.org/10.1142/s0218001421510083

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