Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik GmbH Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik GmbH scholarly article en Aoyama, Kotaro; Nakashima, Yuto; I, Tomohiro; Inenaga, Shunsuke; Bannai, Hideo; Takeda, Masayuki http://www.dagstuhl.de/lipics License
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Faster Online Elastic Degenerate String Matching

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Abstract

An Elastic-Degenerate String [Iliopoulus et al., LATA 2017] is a sequence of sets of strings, which was recently proposed as a way to model a set of similar sequences. We give an online algorithm for the Elastic-Degenerate String Matching (EDSM) problem that runs in O(nm sqrt{m log m} + N) time and O(m) working space, where n is the number of elastic degenerate segments of the text, N is the total length of all strings in the text, and m is the length of the pattern. This improves the previous algorithm by Grossi et al. [CPM 2017] that runs in O(nm^2 + N) time.

BibTeX - Entry

@InProceedings{aoyama_et_al:LIPIcs:2018:8701,
  author =	{Kotaro Aoyama and Yuto Nakashima and Tomohiro I and Shunsuke Inenaga and Hideo Bannai and Masayuki Takeda},
  title =	{{Faster Online Elastic Degenerate String Matching}},
  booktitle =	{Annual Symposium on Combinatorial Pattern Matching  (CPM 2018)},
  pages =	{9:1--9:10},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-074-3},
  ISSN =	{1868-8969},
  year =	{2018},
  volume =	{105},
  editor =	{Gonzalo Navarro and David Sankoff and Binhai Zhu},
  publisher =	{Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{http://drops.dagstuhl.de/opus/volltexte/2018/8701},
  doi =		{10.4230/LIPIcs.CPM.2018.9},
  annote =	{Keywords: elastic degenerate pattern matching, boolean convolution}
}

Keywords: elastic degenerate pattern matching, boolean convolution
Seminar: Annual Symposium on Combinatorial Pattern Matching (CPM 2018)
Issue date: 2018
Date of publication: 2018


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