March 28-30 hyatt regency crystal city
arlington, va
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Wednesday, March 29, 2017

A202: LC Linked Authority Data

11:45 a.m. - 12:30 p.m.
Qi Tong, Linked Authority Data, Network Development and MARC Standards Office (NDMSO), Library of Congress

Library of Congress Linked Data Service ( provides access to commonly found standards and vocabularies using semantic web technology. Since its inception in 2009, the LC has published many popular vocabularies in linked data formats such as Subject Headings (LCSH), Name Authority File (NAF), and Demographic Group Terms (LCDGT). New data elements are continuously added to the published vocabularies, such as Real World Object (RWO) elements for Names and Subjects and ISIL code for Cultural Heritage Organizations. This talk gives a brief update on the Linked Data Service and the challenges it faces, including data modeling and technology platform.

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