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Analysis of upper and lower bounds on string processing problems via advanced data structures

Research Project

Project/Area Number 17H01697
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Theory of informatics
Research InstitutionKyushu University

Principal Investigator

INENAGA SHUNSUKE  九州大学, システム情報科学研究院, 准教授 (60448404)

Co-Investigator(Kenkyū-buntansha) 坂内 英夫  東京医科歯科大学, M&Dデータ科学センター, 教授 (20323644)
田部井 靖生  国立研究開発法人理化学研究所, 革新知能統合研究センター, ユニットリーダー (20589824)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥14,950,000 (Direct Cost: ¥11,500,000、Indirect Cost: ¥3,450,000)
Fiscal Year 2019: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2018: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2017: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Keywordsアルゴリズム / データ構造 / 文字列処理 / テキスト圧縮 / 文字列データ処理 / データ圧縮 / アルゴリズム理論 / 文字列組み合わせ論
Outline of Final Research Achievements

The goal of this research project is to study upper and lower bounds on various string processing problems, with the aid of advanced string data structures. Namely, we proposed efficient algorithms that can manipulate large string data, and analyzed theoretical limits of these methods. In particular, the main focus was on the four following topics: (A) text compression and algorithms for compressed text data, (B) string algorithms and data structures, (C) regularities and repetitions in strings, (D) hardness and lower bounds on string processing problems.
All the results of this research project have been published in peer-reviewed conference proceedings and/or in international journals.

Academic Significance and Societal Importance of the Research Achievements

記憶媒体の低価格化やネットワークの高速化を背景として,電子データが爆発的な速度で増加し続けている.そのため,膨大なデータを省領域で格納し,かつ高速に処理を行う情報技術の確立が急務となっている.本研究課題では,電子データの多くは文字列と見なせることに着目し,高度情報処理をサポートする高速・省領域文字列処理アルゴリズムを開発した.特に,近年著しい進展を見せている高度データ構造技術を主体とするアプローチにより,文字列情報処理に関する諸重要問題に対するアルゴリズム開発と,計算量限界 (下界) の解明を行った.

Report

(4 results)
  • 2021 Final Research Report ( PDF )
  • 2019 Annual Research Report
  • 2018 Annual Research Report
  • 2017 Annual Research Report
  • Research Products

    (90 results)

All 2020 2019 2018 2017 Other

All Int'l Joint Research (9 results) Journal Article (41 results) (of which Int'l Joint Research: 9 results,  Peer Reviewed: 41 results,  Open Access: 21 results) Presentation (37 results) (of which Int'l Joint Research: 33 results) Book (1 results) Remarks (2 results)

  • [Int'l Joint Research] University of Warsaw(ポーランド)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] Goldsmiths University of London/King’s College London(英国)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] Tampere University(フィンランド)

    • Related Report
      2018 Annual Research Report
  • [Int'l Joint Research] University of Helsinki/University of Tampere(フィンランド)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] TU Dortmund/University of Kiel(ドイツ)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] University of Warsaw/Nicolaus Copernicus University(ポーランド)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] University of Warwick(英国)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] Diego Portales University(チリ)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research]

    • Related Report
      2017 Annual Research Report
  • [Journal Article] On the size of the smallest alphabet for Lyndon trees2019

    • Author(s)
      Yuto Nakashima, Takuya Takagi, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Journal Title

      Theoretical Computer Science

      Volume: 792 Pages: 131-143

    • DOI

      10.1016/j.tcs.2018.06.044

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Efficient dynamic dictionary matching with DAWGs and AC-automata2019

    • Author(s)
      Diptarama Hendrian, Shunsuke Inenaga, Ryo Yoshinaka, Ayumi Shinohara
    • Journal Title

      Theoretical Computer Science

      Volume: 792 Pages: 161-172

    • DOI

      10.1016/j.tcs.2018.04.016

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The parameterized position heap of a trie2019

    • Author(s)
      Noriki Fujisato, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Journal Title

      Proceedings of 11th International Conference on Algorithms and Complexity, Lecture Notes in Computer Science

      Volume: 11485 Pages: 237-248

    • DOI

      10.1007/978-3-030-17402-6_20

    • ISBN
      9783030174019, 9783030174026
    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Faster queries for longest substring palindrome after block edit2019

    • Author(s)
      Mitsuru Funakoshi, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Journal Title

      Proceedings of the 30th Annual Symposium on Combinatorial Pattern Matching, LIPIcs

      Volume: 128

    • DOI

      10.4230/LIPICS.CPM.2019.27

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Overlapping Lempel-Ziv and Lyndon factorizations2019

    • Author(s)
      Yuki Urabe, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Journal Title

      Proceedings of the 30th Annual Symposium on Combinatorial Pattern Matching, LIPIcs

      Volume: 128

    • DOI

      10.4230/LIPICS.CPM.2019.29

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Online Algorithms for Constructing Linear-size Suffix Trie2019

    • Author(s)
      Diptarama Hendrian, Takuya Takagi, Shunsuke Inenaga
    • Journal Title

      Proceedings of the 30th Annual Symposium on Combinatorial Pattern Matching, Leibniz International Proceedings in Informatics

      Volume: 128

    • DOI

      10.4230/LIPICS.CPM.2019.30

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] An Improved Data Structure for Left-Right Maximal Generic Words Problem2019

    • Author(s)
      Yuta Fujishige, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Journal Title

      ISAAC 2019

      Volume: -

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Palindromic substring queries on run-length encoded strings2019

    • Author(s)
      Kiichi Watanabe, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Journal Title

      Proceedings of the 30th International Workshop on Combinatorial Algorithms, Lecture Notes in Computer Science

      Volume: 11638 Pages: 430-441

    • DOI

      10.1007/978-3-030-25005-8_35

    • ISBN
      9783030250041, 9783030250058
    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Compact data structure for shortest unique substring queries2019

    • Author(s)
      Takuya Mieno, Dominik Koeppl, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Journal Title

      Proceedings of 26th International Symposium on String Processing and Information Retrieval, Lecture Notes in Computer Science

      Volume: 11811 Pages: 107-123

    • DOI

      10.1007/978-3-030-32686-9_8

    • ISBN
      9783030326852, 9783030326869
    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] On longest common property preserved substring queries2019

    • Author(s)
      Kazuki Kai, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda, Tomasz Kociumaka
    • Journal Title

      Proceedings of 26th International Symposium on String Processing and Information Retrieval, Lecture Notes in Computer Science

      Volume: 11811 Pages: 162-174

    • DOI

      10.1007/978-3-030-32686-9_12

    • ISBN
      9783030326852, 9783030326869
    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Direct linear time construction of parameterized suffix and LCP arrays for constant alphabets2019

    • Author(s)
      Noriki Fujisato, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Journal Title

      Proceedings of 26th International Symposium on String Processing and Information Retrieval, Lecture Notes in Computer Science

      Volume: 11811 Pages: 382-391

    • DOI

      10.1007/978-3-030-32686-9_27

    • ISBN
      9783030326852, 9783030326869
    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Computing Maximal Palindromes and Distinct Palindromes in a Trie2019

    • Author(s)
      Mitsuru Funakoshi, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Journal Title

      PSC 2019

      Volume: - Pages: 3-15

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] k-Abelian Pattern Matching: Revisited, Corrected, and Extended2019

    • Author(s)
      Golnaz Badkobeh, Hideo Bannai, Maxime Crochemore, Tomohiro I, Shunsuke Inenaga, Shiho Sugimoto
    • Journal Title

      PSC 2019

      Volume: - Pages: 29-40

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Faster STR-EC-LCS computation2019

    • Author(s)
      Kohei Yamada, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Journal Title

      Proceedings of 46th International Conference on Current Trends in Theory and Practice of Informatics, Lecture Notes in Computer Science

      Volume: 12011 Pages: 125-135

    • DOI

      10.1007/978-3-030-38919-2_11

    • ISBN
      9783030389185, 9783030389192
    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] MR-RePair: Grammar Compression based on Maximal Repeats2019

    • Author(s)
      Isamu Furuya, Takuya Takagi, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai and Takuya Kida
    • Journal Title

      Proc. Data Compression Conference 2019 (DCC 2019)

      Volume: -

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Recovering, Counting and Enumerating Strings from Forward and Backward Suffix Arrays2018

    • Author(s)
      Yuki Kuhara, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Journal Title

      Proceedings of 25th International Symposium on String Processing and Information Retrieval 2018, Lecture Notes in Computer Science

      Volume: 11147 Pages: 254-267

    • DOI

      10.1007/978-3-030-00479-8_21

    • ISBN
      9783030004781, 9783030004798
    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Block Palindromes: A New Generalization of Palindromes2018

    • Author(s)
      Keisuke Goto, Tomohiro I, Hideo Bannai, Shunsuke Inenaga
    • Journal Title

      SPIRE 2018

      Volume: - Pages: 183-190

    • DOI

      10.1007/978-3-030-00479-8_15

    • ISBN
      9783030004781, 9783030004798
    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Lyndon Factorization of Grammar Compressed Texts Revisited2018

    • Author(s)
      Isamu Furuya, Yuto Nakashima, Tomohiro I, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Journal Title

      Proceedings of Annual Symposium on Combinatorial Pattern Matching 2018, LIPIcs

      Volume: 105

    • DOI

      10.4230/LIPIcs.CPM.2018.24

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Longest Lyndon Substring After Edit2018

    • Author(s)
      Yuki Urabe, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Journal Title

      Proceedings of Annual Symposium on Combinatorial Pattern Matching 2018, LIPIcs

      Volume: 105

    • DOI

      10.4230/LIPIcs.CPM.2018.19

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Computing longest common square subsequences2018

    • Author(s)
      Takafumi Inoue, Shunsuke Inenaga, Heikki Hyyro, Hideo Bannai, Masayuki Takeda
    • Journal Title

      CPM 2018

      Volume: -

    • DOI

      10.4230/LIPIcs.CPM.2018.15

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Longest substring palindrome after edit2018

    • Author(s)
      Mitsuru Funakoshi, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Journal Title

      Proceedings of Annual Symposium on Combinatorial Pattern Matching 2018, LIPIcs

      Volume: 105

    • DOI

      10.4230/LIPIcs.CPM.2018.12

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Faster Online Elastic Degenerate String Matching2018

    • Author(s)
      Kotaro Aoyama, Yuto Nakashima, Tomohiro I, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Journal Title

      Proceedings of Annual Symposium on Combinatorial Pattern Matching 2018, LIPIcs

      Volume: 105

    • DOI

      10.4230/LIPIcs.CPM.2018.9

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] O(n log n)-time Text Compression by LZ-style Longest First Substitution2018

    • Author(s)
      Akihiro Nishi, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai and Masayuki Takeda
    • Journal Title

      Proc. Prague Stringology Conference 2018

      Volume: - Pages: 12-26

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Right-to-left Online Construction of Parameterized Position Heaps2018

    • Author(s)
      oriki Fujisato, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai and Masayuki Takeda
    • Journal Title

      Proc. Prague Stringology Conference 2018

      Volume: - Pages: 91-102

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Dynamic RLE-Compressed Edit Distance Tables Under General Weighted Cost Functions2018

    • Author(s)
      Hyyro Heikki, Inenaga Shunsuke
    • Journal Title

      International Journal of Foundations of Computer Science

      Volume: 29 Issue: 04 Pages: 623-645

    • DOI

      10.1142/s0129054118410083

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Tighter Bounds and Optimal Algorithms for All Maximal α-gapped Repeats and Palindromes - Finding All Maximal α-gapped Repeats and Palindromes in Optimal Worst Case Time on Integer Alphabets2018

    • Author(s)
      Pawel Gawrychowski, Tomohiro I, Shunsuke Inenaga, Dominik Koppl, Florin Manea
    • Journal Title

      Theory Comput. Syst.

      Volume: 62(1) Issue: 1 Pages: 162-191

    • DOI

      10.1007/s00224-017-9794-5

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] A hardness result and new algorithm for the longest common palindromic subsequence problem2018

    • Author(s)
      Shunsuke Inenaga, Heikki Hyyr_
    • Journal Title

      Inf. Process. Lett.

      Volume: 129 Pages: 11-15

    • DOI

      10.1016/j.ipl.2017.08.006

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Diverse Palindromic Factorization is NP-Complete2018

    • Author(s)
      Hideo Bannai, Travis Gagie, Shunsuke Inenaga, Juha K_rkk_inen, Dominik Kempa, Marcin Piatkowski, Shiho Sugimoto
    • Journal Title

      Int. J. Found. Comput. Sci.

      Volume: 29(2) Issue: 02 Pages: 143-164

    • DOI

      10.1142/s0129054118400014

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Shortest Unique Palindromic Substring Queries in Optimal Time2018

    • Author(s)
      Yuto Nakashima, Hiroe Inoue, Takuya Mieno, Shunsuke Inenaga, Hideo Bannai and Masayuki Takeda
    • Journal Title

      Proc. 28th International Workshop on Combinatorial Algorithms (IWOCA 2017)

      Volume: LNCS10765

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Computing Abelian string regularities based on RLE2018

    • Author(s)
      Shiho Sugimoto, Naoki Noda, Shunsuke Inenaga, Hideo Bannai and Masayuki Takeda
    • Journal Title

      28th International Workshop on Combinatorial Algorithms (IWOCA 2017)

      Volume: LNCS10765

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Inferring strings from Lyndon factorization2017

    • Author(s)
      Yuto Nakashima, Takashi Okabe, Tomohiro I, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Journal Title

      Theor. Comput. Sci.

      Volume: 689 Pages: 147-156

    • DOI

      10.1016/j.tcs.2017.05.038

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Packed Compact Tries: A Fast and Efficient Data Structure for Online String Processing2017

    • Author(s)
      Takuya Takagi, Shunsuke Inenaga, Kunihiko Sadakane, Hiroki Arimura
    • Journal Title

      IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences

      Volume: E100.A Issue: 9 Pages: 1785-1793

    • DOI

      10.1587/transfun.E100.A.1785

    • NAID

      130006038281

    • ISSN
      0916-8508, 1745-1337
    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The "Runs" Theorem2017

    • Author(s)
      Hideo Bannai, Tomohiro I, Shunsuke Inenaga, Yuto Nakashima, Masayuki Takeda, Kazuya Tsuruta
    • Journal Title

      SIAM J. Comput.

      Volume: 46(5) Issue: 5 Pages: 1501-1514

    • DOI

      10.1137/15m1011032

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Faster STR-IC-LCS Computation via RLE2017

    • Author(s)
      Keita Kuboi, Yuta Fujishige, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Journal Title

      Proceedings of the 28th Annual Symposium on Combinatorial Pattern Matching (CPM 2017), LIPICS

      Volume: 78

    • DOI

      10.4230/LIPIcs.CPM.2017.20

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Computing All Distinct Squares in Linear Time for Integer Alphabets2017

    • Author(s)
      Hideo Bannai, Shunsuke Inenaga, Dominik K_ppl
    • Journal Title

      Proceedings of the 28th Annual Symposium on Combinatorial Pattern Matching (CPM 2017), LIPICS

      Volume: 78

    • DOI

      10.4230/LIPIcs.CPM.2017.22

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Tight Bounds on the Maximum Number of Shortest Unique Substrings2017

    • Author(s)
      Takuya Mieno, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Journal Title

      Proceedings of the 28th Annual Symposium on Combinatorial Pattern Matching (CPM 2017), LIPICS

      Volume: 78

    • DOI

      10.4230/LIPIcs.CPM.2017.24

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] On Reverse Engineering the Lyndon Tree2017

    • Author(s)
      Yuto Nakashima, Takuya Takagi, Shunsuke Inenaga, Hideo Bannai and Masayuki Takeda
    • Journal Title

      Proc. Prague Stringology Conference 2017 (PSC 2017)

      Volume: - Pages: 108-117

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Small-space LCE data structure with constant-time queries2017

    • Author(s)
      Yuka Tanimura, Takaaki Nishimoto, Hideo Bannai, Shunsuke Inenaga and Masayuki Takeda
    • Journal Title

      Proc. 42nd International Symposium on Mathematical Foundations of Computer Science (MFCS 2017)

      Volume: -

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] On Two LZ78-style Grammars: Compression Bounds and Compressed-Space Computation2017

    • Author(s)
      Golnaz Badkobeh, Travis Gagie, Shunsuke Inenaga, Tomasz Kociumaka, Dmitry Kosolobov, Simon J. Puglisi
    • Journal Title

      Proceedings of the 24th International Symposium on String Processing and Information Retrieval (SPIRE 2017), Lecture Notes in Computer Science

      Volume: 10508 Pages: 51-67

    • DOI

      10.1007/978-3-319-67428-5_5

    • ISBN
      9783319674278, 9783319674285
    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Linear-Size CDAWG: New Repetition-Aware Indexing and Grammar Compression2017

    • Author(s)
      Takagi Takuya、Goto Keisuke、Fujishige Yuta、Inenaga Shunsuke、Arimura Hiroki
    • Journal Title

      Proceedings of the 24th International Symposium on String Processing and Information Retrieval (SPIRE 2017)(査読付き国際会議論文)

      Volume: - Pages: 304-316

    • DOI

      10.1007/978-3-319-67428-5_26

    • ISBN
      9783319674278, 9783319674285
    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Almost Linear Time Computation of Maximal Repetitions in Run Length Encoded Strings2017

    • Author(s)
      Yuta Fujishige, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Journal Title

      Proceedings of the 28th International Symposium on Algorithms and Computation (ISAAC 2017), LIPICS

      Volume: 92

    • DOI

      10.4230/LIPIcs.ISAAC.2017.33

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] パラメタ化パターン照合のための索引グラフ構造2020

    • Author(s)
      中島 克仁, 藤里 法輝, ディプタラマ ヘンリアン, 中島 祐人, 吉仲 亮 , 稲永 俊介, 坂内 英夫, 篠原 歩, 竹田 正幸
    • Organizer
      2019年度 冬のLAシンポジウム
    • Related Report
      2019 Annual Research Report
  • [Presentation] 畳み込み和ならびにビット並列を用いた縦読みパターン照合2020

    • Author(s)
      舩越 満, 中島 祐人, 稲永 俊介, 坂内 英夫, 竹田 正幸
    • Organizer
      2019年度 冬のLAシンポジウム
    • Related Report
      2019 Annual Research Report
  • [Presentation] 複数テキスト索引構造のオンライン構築2020

    • Author(s)
      高木 拓也, 稲永 俊, 有村 博紀, Dany Breslauer, Diptarama Hendrian
    • Organizer
      2019年度 冬のLAシンポジウム
    • Related Report
      2019 Annual Research Report
  • [Presentation] Faster STR-EC-LCS Computation2020

    • Author(s)
      Kohei Yamada, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Organizer
      SOFSEM 2020
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] The Parameterized Position Heap of a Trie2019

    • Author(s)
      Noriki Fujisato, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Organizer
      CIAC 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Faster Queries for Longest Substring Palindrome After Block Edit2019

    • Author(s)
      Mitsuru Funakoshi, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Organizer
      CPM 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] On the Size of Overlapping Lempel-Ziv and Lyndon Factorizations2019

    • Author(s)
      Yuki Urabe, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Organizer
      CPM 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Online Algorithms for Constructing Linear-Size Suffix Trie2019

    • Author(s)
      Diptarama Hendrian, Takuya Takagi, Shunsuke Inenaga
    • Organizer
      CPM 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] An Improved Data Structure for Left-Right Maximal Generic Words Problem2019

    • Author(s)
      Yuta Fujishige, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Organizer
      ISAAC 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Shortest Unique Palindromic Substring Queries on Run-Length Encoded Strings2019

    • Author(s)
      Kiichi Watanabe, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Organizer
      IWOCA 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Compact Data Structures for Shortest Unique Substring Queries2019

    • Author(s)
      Takuya Mieno, Dominik Koeppl, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Organizer
      SPIRE 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] On Longest Common Property Preserved Substring Queries2019

    • Author(s)
      Kazuki Kai, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda, Tomasz Kociumaka
    • Organizer
      SPIRE 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Direct Linear Time Construction of Parameterized Suffix and LCP Arrays for Constant Alphabets2019

    • Author(s)
      Noriki Fujisato, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Organizer
      SPIRE 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Computing Maximal Palindromes and Distinct Palindromes in a Trie2019

    • Author(s)
      Mitsuru Funakoshi, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda
    • Organizer
      PCS 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] k-Abelian Pattern Matching: Revisited, Corrected, and Extended2019

    • Author(s)
      Golnaz Badkobeh, Hideo Bannai, Maxime Crochemore, Tomohiro I, Shunsuke Inenaga, Shiho Sugimoto
    • Organizer
      PCS 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 高速な STR-EC-LCS アルゴリズム2019

    • Author(s)
      山田 航平,中島 祐人,稲永 俊介,坂内 英夫,竹田 正幸
    • Organizer
      第174回アルゴリズム研究会
    • Related Report
      2019 Annual Research Report
  • [Presentation] MR-RePair: Grammar Compression based on Maximal Repeats2019

    • Author(s)
      Isamu Furuya, Takuya Takagi, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai and Takuya Kida
    • Organizer
      Data Compression Conference 2019 (DCC 2019)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Recovering, Counting and Enumerating Strings from Forward and Backward Suffix Arrays2018

    • Author(s)
      Yuki Kuhara, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, and Masayuki Takeda
    • Organizer
      25th International Symposium on String Processing and Information Retrieval (SPIRE 2018)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Block Palindromes: A New Generalization of Palindromes2018

    • Author(s)
      Keisuke Goto, Tomohiro I, Hideo Bannai and Shunsuke Inenaga
    • Organizer
      25th International Symposium on String Processing and Information Retrieval (SPIRE 2018)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Lyndon Factorization of Grammar Compressed Texts Revisited2018

    • Author(s)
      Isamu Furuya, Yuto Nakashima, Tomohiro I, Shunsuke Inenaga, Hideo Bannai and Masayuki Takeda
    • Organizer
      29th Annual Symposium on Combinatorial Pattern Matching (CPM 2018)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Longest Lyndon Substring After Edit2018

    • Author(s)
      Yuki Urabe, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, and Masayuki Takeda
    • Organizer
      29th Annual Symposium on Combinatorial Pattern Matching (CPM 2018)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Computing longest common square subsequences2018

    • Author(s)
      Takafumi Inoue, Shunsuke Inenaga, Heikki Hyyro, Hideo Bannai, and Masayuki Takeda
    • Organizer
      29th Annual Symposium on Combinatorial Pattern Matching (CPM 2018)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Longest substring palindrome after edit2018

    • Author(s)
      Mitsuru Funakoshi, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, and Masayuki Takeda
    • Organizer
      29th Annual Symposium on Combinatorial Pattern Matching (CPM 2018)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Faster Online Elastic Degenerate String Matching2018

    • Author(s)
      Kotaro Aoyama, Yuto Nakashima, Tomohiro I, Shunsuke Inenaga, Hideo Bannai and Masayuki Takeda
    • Organizer
      29th Annual Symposium on Combinatorial Pattern Matching (CPM 2018)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] O(n log n)-time Text Compression by LZ-style Longest First Substitution2018

    • Author(s)
      Akihiro Nishi, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai and Masayuki Takeda
    • Organizer
      Prague Stringology Conference 2018 (PSC 2018)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Right-to-left Online Construction of Parameterized Position Heaps2018

    • Author(s)
      Noriki Fujisato, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai and Masayuki Takeda
    • Organizer
      Prague Stringology Conference 2018 (PSC 2018)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Faster STR-IC-LCS computation via RLE2017

    • Author(s)
      Keita Kuboi, Yuta Fujishige, Shunsuke Inenaga, Hideo Bannai and Masayuki Takeda
    • Organizer
      28th Annual Symposium on Combinatorial Pattern Matching (CPM 2017)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Computing All Distinct Squares in Linear Time for Integer Alphabets2017

    • Author(s)
      Hideo Bannai, Shunsuke Inenaga, and Dominik Koeppl
    • Organizer
      28th Annual Symposium on Combinatorial Pattern Matching (CPM 2017)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Tight bounds on the maximum number of shortest unique substrings2017

    • Author(s)
      Takuya Mieno, Shunsuke Inenaga, Hideo Bannai and Masayuki Takeda
    • Organizer
      28th Annual Symposium on Combinatorial Pattern Matching (CPM 2017)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Computing Abelian string regularities based on RLE2017

    • Author(s)
      Shiho Sugimoto, Naoki Noda, Shunsuke Inenaga, Hideo Bannai and Masayuki Takeda
    • Organizer
      28th International Workshop on Combinatorial Algorithms (IWOCA 2017)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Shortest Unique Palindromic Substring Queries in Optimal Time2017

    • Author(s)
      Yuto Nakashima, Hiroe Inoue, Takuya Mieno, Shunsuke Inenaga, Hideo Bannai and Masayuki Takeda
    • Organizer
      28th International Workshop on Combinatorial Algorithms (IWOCA 2017)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] On Reverse Engineering the Lyndon Tree2017

    • Author(s)
      Yuto Nakashima, Takuya Takagi, Shunsuke Inenaga, Hideo Bannai and Masayuki Takeda
    • Organizer
      Prague Stringology Conference 2017 (PSC 2017)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Small-space LCE data structure with constant-time queries2017

    • Author(s)
      Yuka Tanimura, Takaaki Nishimoto, Hideo Bannai, Shunsuke Inenaga and Masayuki Takeda
    • Organizer
      42nd International Symposium on Mathematical Foundations of Computer Science (MFCS 2017)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] On Two LZ78-style Grammars: Compression Bounds and Compressed-Space Computation2017

    • Author(s)
      Golnaz Badkobeh, Travis Gagie, Shunsuke Inenaga, Tomasz Kociumaka, Dmitry Kosolobov and Simon Puglisi
    • Organizer
      24th International Symposium on String Processing and Information Retrieval (SPIRE 2017)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Order preserving pattern matching on trees and DAGs2017

    • Author(s)
      Tenma Nakamura, Shunsuke Inenaga, Hideo Bannai and Masayuki Takeda
    • Organizer
      24th International Symposium on String Processing and Information Retrieval (SPIRE 2017)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Linear-size CDAWG: new repetition-aware indexing and grammar compression2017

    • Author(s)
      Takuya Takagi, Keisuke Goto, Yuta Fujishige, Shunsuke Inenaga and Hiroki Arimura
    • Organizer
      24th International Symposium on String Processing and Information Retrieval (SPIRE 2017)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Almost Linear Time Computation of Maximal Repetitions in Run Length Encoded Strings2017

    • Author(s)
      Yuta Fujishige, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, and Masayuki Takeda
    • Organizer
      8th International Symposium on Algorithms and Computation (ISAAC 2017)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Book] Proc. 25th International Symposium on String Processing and Information Retrieval (SPIRE 2018)2018

    • Author(s)
      Travis Gagie, Alistair Moffat, Gonzalo Navarro, Ernesto Cuadros-Vargas
    • Total Pages
      364
    • Publisher
      Springer
    • ISBN
      9783030004781
    • Related Report
      2018 Annual Research Report
  • [Remarks] 個人研究ページ

    • URL

      https://str.i.kyushu-u.ac.jp/~inenaga/index-j.html

    • Related Report
      2017 Annual Research Report
  • [Remarks] 研究者情報(九州大学)

    • URL

      http://hyoka.ofc.kyushu-u.ac.jp/search/details/K003385/index.html

    • Related Report
      2017 Annual Research Report

URL: 

Published: 2017-04-28   Modified: 2023-01-30  

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