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DBpedia
DBpedia.org is a community effort to extract structured information from Wikipedia and to make this information available on the Web. DBpedia allows you to ask sophisticated... -
Europeana Linked Open Data V1.0
data.europeana.eu started as an experimental pilot in February 2012 with a small number of data providers who committed at an early stage to Europeana's initiative of promoting... -
Library of Congress Subject Headings
LCSH has been actively maintained since 1898 to catalog materials held at the Library of Congress. By virtue of cooperative cataloging other libraries around the United States...