May 28, 2022

Japan: A Brief Look at the National Diet Library’s Digital Collection and Service for Information Access

The National Diet Library (NDL), Japan’s National Library, has shared highlights from an October presentation at the OCLC Asia Pacific Regional Council 5th Membership Conference in Bangkok.

The highlights appear in the December 2013 issue of the NDL Newsletter (in English).

The presentation was given by Naoko Harai, a member of the NDL’s Acquisitions and Bibliography Department and looks at:

There are also a few details about the NDL’s web archiving efforts.

NDL launched the Web Archiving Project, WARP, to collect websites in November 2002. The project was initially piloted experimentally based on permission of copyright holders such as website owners. With regard to the public sector’s websites, the NDL worked on law amendment to collect and preserve them without permission; and the NDL Act, amended in 2009 and put into force in April 2010, enables the NDL to do so.

The number of collected websites is 7,466 items and that of harvesting is 55,749 times in total. The data amount was 231TB as of the end of March 2013.

You’ll also read about bibliographic data including Web NDL Authorities.

Web NDL Authorities is a new service of NDL. This service provides all authority data of NDL, which includes NDL’s author authority data and NDLSH, NDL Subject Headings, on the Internet. In 2010, we started to provide NDLSH data as Web NDLSH and in 2012 enlarged it to name authority data and changed its name to Web NDL Authorities.

Read the Complete Article (via National Diet Library Newsletter)

See Also: NDL Web Authorities Web Page (Translation via Google Translate)

See Also: NDL Mission and Objectives 2012-2016 and Strategic Goals

See Also: NDL Digitized Contents Search (English Language User Interface)

Note: The complete slide presentation is available via OCLC.

About Gary Price

Gary Price ( is a librarian, writer, consultant, and frequent conference speaker based in the Washington D.C. metro area. Before launching INFOdocket, Price and Shirl Kennedy were the founders and senior editors at ResourceShelf and DocuTicker for 10 years. From 2006-2009 he was Director of Online Information Services at, and is currently a contributing editor at Search Engine Land.