J-GLOBAL knowledge

DOI Web Site 3 References Open Access
  • Kimura Takahiro
    Department of Information Planning, Japan Science and Technology Agency
  • Kawamura Takahiro
    Department of Information Planning, Japan Science and Technology Agency
  • Watanabe Katsutaro
    Department of Information Planning, Japan Science and Technology Agency
  • Matsumoto Naoya
    Department of Information Planning, Japan Science and Technology Agency
  • Sato Tomonori
    Department of Information Planning, Japan Science and Technology Agency
  • Kushida Tatsuya
    National Bioscience Database Center, Japan Science and Technology Agency
  • Matsumura Katsuji
    Department of Information Planning, Japan Science and Technology Agency

Bibliographic Information

Other Title
  • Design and Building of Large-scale Linked Data Sets for Science and Technology Information
  • 科学技術情報に関する大規模Linked Dataセットの設計および構築

Description

In order to develop innovative solutions in science and technology, Japan Science and Technology Agency (JST) has built J-GLOBAL knowledge (JGk), which provides papers, patents, researchers' information, technological thesaurus, and scientific data as Linked Data, which have been accumulated by JST since 1957. The total size of all datasets is about 15.7 billion triples, and the JGk website provides a SPARQL endpoint to access part of the datasets. This paper describes several issues on schema design to construct a large-scale Linked Data, and construction methods, especially for linking to external datasets, such as DBpedia Japanese. Finally, we describe performance problems and the future works.

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