Unless specified otherwise, all content in the World Historical Gazetteer is licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) License. Externally hosted contributor content that is linked to by the World-Historical Gazetteer is governed by the copyrights and licenses of the contributor.
Source code created for the World Historical Gazetteer is released under the GNU General Public License v3.0. World Historical Gazetteer also uses software packages which are released under various open source licenses. Consult the individual packages for details.
Uploaded data is held in the WHG database and visible only to the dataset creator unless they flag it as "public," at which time it becomes discoverable (never editable) via our Database API. Once a dataset has been accessioned—a separate and distinct step from uploading—uploaded records become accessible via Search on our home page, and the Index API which the search function utilizes.
All reasonable care is taken that the system be available 24/7, and that uploaded data be preserved via regular backups, however we make no guarantees about access to the site and services or about contents held in the system; nor do we accept any liability in case of loss of data. Users are encouraged to download and maintain copies of uploaded datasets if and when they have been augmented in the system.
The World History Center at University of Pittsburgh provides free access to World Historical Gazetteer as a pilot and proof of concept, for what we hope and expect will over time become an important element of the emerging linked historical data ecosystem.
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