साइनी
CiNii ( ) is a bibliographic database service for material in Japanese academic libraries, especially focusing on Japanese works and English works published in Japan. The database was founded in अप्रैल 2005 and is maintained by the National Institute of Informatics. The service searches from within the databases maintained by the NII itself [NII Electronic Library Service (NII-ELS) and Citation Database for Japanese Publications (CJP)], as well as the databases provided by the National Diet Library of Japan, institutional repositories, and other organizations.

The database contains more than 15 million articles from more than 3600 publications. A typical month (in 2012) saw more than 30 million accesses from 2.2 million unique visitors, and is the largest and most comprehensive database of its kind in Japan. Although the database is multidisciplinary, the largest portion of the queries it receives is in the humanities and social sciences field, perhaps because CiNii is the only database that covers Japanese scholarly works in this field (as opposed to the natural, formal, and medical sciences which benefit from other databases).

Database identifiers

The database assigns a unique identifier, NII Article ID (NAID), to each of its journal article entries. A different identifier, NCID, is used for books.

NCID Examples

  for the 1951 Little, Brown edition and of The Catcher in the Rye

  for the 2010 Penguin edition of The Catcher in the Rye

  for a 1952 edition of Kiken na nenrei (),  for a 1964 edition of Rai-mugi de tsukamaete (), and  for a 2003 edition of Kyatchā in za rai (), all three being Japanese translations of The Catcher in the Rye

  for a 1997 edition of Mai tian li de shou wang zhe (麦田里的守望者), a Chinese translation of The Catcher in the Rye.

References

External links 
CiNii
CiNii in English

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