A Graduated Assignment Algorithm for Graph Matching
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On Median Graphs: Properties, Algorithms, and Applications
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The Anchors Hierarchy: Using the Triangle Inequality to Survive High Dimensional Data
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This paper proposes a fast k-means algorithm for graphs based on Elkan's k-means for vectors. To accelerate the k-means algorithm for graphs without trading computational time against solution quality, we avoid unnecessary graph distance calculations by exploiting the triangle inequality of the underlying distance metric. In experiments we show that the accelerated k-means for graphs is faster than k-means for graphs provided there is a cluster structure in the data.