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Published in:
2009 | OriginalPaper | Chapter
Assessing the Strength of Structural Changes in Cooccurrence Graphs
Authors : Matthias Steinbrecher, Rudolf Kruse
Published in: KI 2009: Advances in Artificial Intelligence
Publisher: Springer Berlin Heidelberg
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We propose a heuristic for assessing the strength of changes that can be observed in a sequence of cooccurrence graphs from one graph to the next one. We represent every graph by its bandwidth-minimized adjacency matrix. The permutation that describes this minimization is applied to the matrices of the respective following graph. We use a repair count measure to assess the quality of the approximation that is then used to determine whether time frames shall be merged.