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Conference Papers Year : 2010

Efficient chaining of seeds in ordered trees

Abstract

We consider here the problem of chaining seeds in ordered trees. Seeds are mappings between two trees Q and T and a chain is a subset of non overlapping seeds that is consistent with respect to postfix order and ancestrality. This problem is a natural extension of a similar problem for sequences, and has applications in computational biology, such as mining a database of RNA secondary structures. For the chaining problem with a set of m constant size seeds, we describe an algorithm with complexity O(m2 log(m)) in time and O(m2 ) in space.
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Dates and versions

hal-00490028 , version 1 (24-06-2010)

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Julien Allali, Cédric Chauve, Pascal Ferraro, Anne-Laure Gaillard. Efficient chaining of seeds in ordered trees. 21st International Workshop on Combinatorial Algorithms, Jul 2010, London, United Kingdom. ⟨hal-00490028⟩
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