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Polish Information Processing Society
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Annals of Computer Science and Information Systems, Volume 11

Proceedings of the 2017 Federated Conference on Computer Science and Information Systems

Anchored Alignment Distance between Rooted Labeled Unordered Trees

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DOI: http://dx.doi.org/10.15439/2017F73

Citation: Proceedings of the 2017 Federated Conference on Computer Science and Information Systems, M. Ganzha, L. Maciaszek, M. Paprzycki (eds). ACSIS, Vol. 11, pages 433440 ()

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Abstract. In this paper, we formulate an anchored alignment distance between rooted labeled unordered trees as the minimum cost of the anchored alignment whose anchoring is constructed from the minimum cost isolated-subtree mapping by adding the pairs of non-mapped leaves, and design the algorithm to compute it. Whereas this algorithm runs in exponential time with respect to the number of leaves in theoretical, we give experimental results to compute the anchored alignment distance efficiently in experimental and to compare the anchored alignment distance, with the alignment distance and the isolated-subtree distance.

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