DagSemProc.10231.3.pdf
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A New Tree Distance Metric for Structural Comparison of Sequences
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Dagstuhl Seminar Proceedings, Volume 10231
Series: Dagstuhl Seminar Proceedings (DagSemProc) - License:
Creative Commons Attribution 4.0 International license
- Publication Date: 2010-08-23
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Matthias Gallé. A New Tree Distance Metric for Structural Comparison of Sequences. In Structure Discovery in Biology: Motifs, Networks & Phylogenies. Dagstuhl Seminar Proceedings, Volume 10231, pp. 1-9, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2010)
https://doi.org/10.4230/DagSemProc.10231.3
https://doi.org/10.4230/DagSemProc.10231.3
Abstract
In this paper we consider structural comparison of sequences, that is,
to compare sequences not by their content but by their structure.
We focus on the case where this structure can be defined by a tree
and propose a new tree distance metric that capture structural similarity.
This metric satisfies non-negativity, identity, symmetry and the triangle
inequality. We give algorithms to compute this metric and validate
it by using it as a distance function for a clustering process
of slightly modified copies of trees, outperforming an existing measure.
Keywords
- Tree distance
- structure discovery
- Parseval metric
- Tanimoto distance
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