2018
DOI: 10.1007/978-3-030-00479-8_17
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Compressed Range Minimum Queries

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Cited by 3 publications
(2 citation statements)
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“…We consider three representations of the tree shape: (1) an augmented balanced-parentheses (BP) representation occupying roughly 2 n + o ( n ) bits [10] and answering queries in constant time; (2) a simple DAG-compressed representation (with each non-terminal storing the size of its expansion) answering queries in time bounded by its height; and (3) an interval-tree storing selected intervals corresponding to nodes in the Cartesian tree and answering queries in constant time. We do not include Gawrychowski et al’s compressed RMQ data structure [14] because we are not aware of an implementation and we see no easy way to estimate its space usage for the divergence array.…”
Section: Components: Building Blocks For a Pbwt Data Structurementioning
confidence: 99%
“…We consider three representations of the tree shape: (1) an augmented balanced-parentheses (BP) representation occupying roughly 2 n + o ( n ) bits [10] and answering queries in constant time; (2) a simple DAG-compressed representation (with each non-terminal storing the size of its expansion) answering queries in time bounded by its height; and (3) an interval-tree storing selected intervals corresponding to nodes in the Cartesian tree and answering queries in constant time. We do not include Gawrychowski et al’s compressed RMQ data structure [14] because we are not aware of an implementation and we see no easy way to estimate its space usage for the divergence array.…”
Section: Components: Building Blocks For a Pbwt Data Structurementioning
confidence: 99%
“…Again, for the random permutations considered here, this would not result in space reductions. Recently, Jo, Mozes and Weimann [19] designed RMQ solutions for grammar-compressed input arrays resp. DAG-compressed Cartesian trees.…”
Section: Related Workmentioning
confidence: 99%