We present X-tree Diff, a change detection algorithm for tree-structured data such as XML/HTML documents. X-tree Diff uses a specially designed data structure, called X-tree. Nodes of X-tree have a special hash-valued field representing the structure and data of the subtree rooted at each node, which enables us to compare between subtrees efficiently. X-tree Diff allows exact matchings at early stage, so as to reduce the possibility of wrong matchings. We show that X-tree Diff runs in o(n), where n is the number of nodes in X-trees, in worst case as well as in average case. © Springer-Verlag Berlin Heidelberg 2003.
CITATION STYLE
Kim, D. A., & Lee, S. K. (2003). Efficient change detection in tree-structured data. Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2713, 675–681. https://doi.org/10.1007/3-540-45036-x_74
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