Indexing the Bijective BWT

Authors Hideo Bannai , Juha Kärkkäinen, Dominik Köppl , Marcin Pia̧tkowski



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Author Details

Hideo Bannai
  • Department of Informatics, Kyushu University, Fukuoka, Japan
Juha Kärkkäinen
  • Helsinki Institute of Information Technology (HIIT), Finland
Dominik Köppl
  • Department of Informatics, Kyushu University, Japan Society for Promotion of Science (JSPS)
Marcin Pia̧tkowski
  • Nicolaus Copernicus University, Toruń, Poland

Cite AsGet BibTex

Hideo Bannai, Juha Kärkkäinen, Dominik Köppl, and Marcin Pia̧tkowski. Indexing the Bijective BWT. In 30th Annual Symposium on Combinatorial Pattern Matching (CPM 2019). Leibniz International Proceedings in Informatics (LIPIcs), Volume 128, pp. 17:1-17:14, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2019)
https://doi.org/10.4230/LIPIcs.CPM.2019.17

Abstract

The Burrows-Wheeler transform (BWT) is a permutation whose applications are prevalent in data compression and text indexing. The bijective BWT is a bijective variant of it that has not yet been studied for text indexing applications. We fill this gap by proposing a self-index built on the bijective BWT . The self-index applies the backward search technique of the FM-index to find a pattern P with O(|P| lg|P|) backward search steps.

Subject Classification

ACM Subject Classification
  • Theory of computation
  • Mathematics of computing → Combinatorics on words
Keywords
  • Burrows-Wheeler Transform
  • Lyndon words
  • Text Indexing

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