巡回的順序木のアライメント

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タイトル別名
  • Alignment of Cyclically Ordered Trees
  • ジュンカイテキ ジュンジョ ボク ノ アライメント

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抄録

<p>In this paper, we investigate an alignment distance between the following three cyclically ordered trees. A biordered tree is an unordered tree that allows both a left-to-right and a right-to-left order among siblings. A cyclic-ordered tree is an unordered tree that allows cyclic order among siblings in a left-to-right direction. A cyclic-biordered tree is an unordered tree that allows cyclic order among siblings in both left-to-right and right-to-left directions. Then, we design the algorithms to compute the distance between biordered trees in O(n2D2) time and ones between cyclic-ordered trees and cyclic-biordered trees in O(n2D4) time, where n is the maximum number of nodes and D is the maximum degree in two given trees.</p>

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