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Simplifying Complicated Sentences for Information Extraction from Text Documents

Research Project

Project/Area Number 24500193
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Intelligent informatics
Research InstitutionNational Institute of Genetics

Principal Investigator

HARA KAZUO  国立遺伝学研究所, 生命情報研究センター, 特任研究員 (30467691)

Co-Investigator(Renkei-kenkyūsha) OKUBO KOUSAKU  国立遺伝学研究所, 生命情報研究センター, 教授 (40233069)
Project Period (FY) 2012-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords単純文化 / 脱文脈化 / 構文解析 / 意味解析
Outline of Final Research Achievements

In discourse contexts, the frequent use of cohesive ties such as reference expressions and coordinated phrases not only troubles the function of automated systems (i.e., natural language parsers) to extract knowledge from the resulting complicated sentences, but also affects the identification of mentions of Named Entities (NEs). We propose to revamp the prose style of anatomical textbooks by transforming cohesive discourse into itemized text, which can be accomplished by annotating reference expressions and coordinating conjunctions. We demonstrate that, compared to the original text, the transformed one is easy for machines to process and hence convenient as a way of identifying mentions of NEs and their relations. Since the transformed text is human readable as well, we believe our approach provides a promising new model for language resources accessible by both human and machine, improving the computational reusability of textbooks.

Report

(5 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • 2012 Research-status Report
  • Research Products

    (7 results)

All 2015 2014 2013 2012

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (6 results) (of which Int'l Joint Research: 2 results)

  • [Journal Article] Computation of Contextual Word Similarity Exploiting Syntactic and Semantic Structural Co-occurrences2013

    • Author(s)
      原 一夫, 鈴木 郁美, 新保 仁, 松本 裕治
    • Journal Title

      Transactions of the Japanese Society for Artificial Intelligence

      Volume: 28 Issue: 4 Pages: 379-390

    • DOI

      10.1527/tjsai.28.379

    • NAID

      130003362340

    • ISSN
      1346-0714, 1346-8030
    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] Reducing Hubness: A Cause of Vulnerability in Recommender Systems2015

    • Author(s)
      Kazuo Hara, Ikumi Suzuki, Kei Kobayashi and Kenji Fukumizu
    • Organizer
      The 38th Annual ACM SIGIR Conference (SIGIR 2015)
    • Place of Presentation
      Santiago, Chile
    • Year and Date
      2015-08-09
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Coordination-aware Dependency Parsing (Preliminary Report)2015

    • Author(s)
      Akifumi Yoshimoto, Kazuo Hara, Masashi Shimbo and Yuji Matsumoto
    • Organizer
      The 14th International Conference on Parsing Technologies (IWPT 2015)
    • Place of Presentation
      Bilbao, Spain
    • Year and Date
      2015-07-22
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Localized Centering: Reducing Hubness in Large-Sample Data2015

    • Author(s)
      Kazuo Hara, Ikumi Suzuki, Masashi Shimbo, Kei Kobayashi, Kenji Fukumizu, Milos Radovanovic
    • Organizer
      29th AAAI Conference on Artificial Intelligence (AAAI)
    • Place of Presentation
      Hyatt Regency Austin, Austin, Texas, USA
    • Year and Date
      2015-01-29
    • Related Report
      2014 Research-status Report
  • [Presentation] Annotating Cohesive Statements of Anatomical Knowledge Toward Semi-Automated Information Extraction2014

    • Author(s)
      Kazuo Hara, Ikumi Suzuki, Kousaku Okubo, Isamu Muto
    • Organizer
      6th International Conference on Knowledge Discovery and Information Retrieval (KDIR)
    • Place of Presentation
      Barcelo Aran Mantegna Hotel, Rome, Italy
    • Year and Date
      2014-10-23
    • Related Report
      2014 Research-status Report
  • [Presentation] Centering Similarity Measures to Reduce Hubs2013

    • Author(s)
      Ikumi Suzuki, Kazuo Hara, Masashi Shimbo, Marco Saerens, Kenji Fukumizu
    • Organizer
      The 2013 Conference on Empirical Methods on Natural Language Processing (EMNLP)
    • Place of Presentation
      Seattle, USA
    • Related Report
      2013 Research-status Report
  • [Presentation] Walk-based Computation of Contextual Word Similarity2012

    • Author(s)
      Kazuo Hara, Ikumi Suzuki, Masashi Shimbo and Yuji Matsumoto
    • Organizer
      COLING 2012, 24th International Conference on Computational Linguistics
    • Place of Presentation
      Munbai, India
    • Related Report
      2012 Research-status Report

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Published: 2013-05-31   Modified: 2019-07-29  

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