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The Cartographer
Traversing Grammar-Compressed Trees with Constant Delay
November 06, 2015 Β· Declared Dead Β· π Data Compression Conference
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Authors
Markus Lohrey, Sebastian Maneth, Carl Philipp Reh
arXiv ID
1511.02141
Category
cs.DS: Data Structures & Algorithms
Citations
7
Venue
Data Compression Conference
Last Checked
4 months ago
Abstract
A grammar-compressed ranked tree is represented with a linear space overhead so that a single traversal step, i.e., the move to the parent or the i-th child, can be carried out in constant time. Moreover, we extend our data structure such that equality of subtrees can be checked in constant time.
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