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Cross-document pattern matching

Abstract : We study a new variant of the string matching problem called cross-document string matching, which is the problem of indexing a collection of documents to support an efficient search for a pattern in a selected document, where the pattern itself is a substring of another document. Several variants of this problem are considered, and efficient linear-space solutions are proposed with query time bounds that either do not depend at all on the pattern size or depend on it in a very limited way (doubly logarithmic). As a side result, we propose an improved solution to the weighted level ancestor problem.
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Submitted on : Tuesday, February 19, 2013 - 10:39:53 AM
Last modification on : Saturday, January 15, 2022 - 3:58:06 AM
Long-term archiving on: : Monday, May 20, 2013 - 4:00:20 AM


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Gregory Kucherov, Yakov Nekrich, Tatiana Starikovskaya. Cross-document pattern matching. CPM 2012, Jul 2012, Helsinki, Finland. pp.196-207, ⟨10.1007/978-3-642-31265-6_16⟩. ⟨hal-00789975⟩



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