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ckan_admin建立了Map of the Byzantine Empire and Islamic Dynasties ca. 750 ce資料集超過 10 年之前

Map of the Byzantine Empire and Islamic Dynasties ca. 750 ce

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ECAI Clearinghouse

In the 1990's ECAI developed the ECAI Metadata Clearinghouse, a system for managing and cataloging spatio-temporal cultural data. ECAI's Metadata Clearinghouse includes records... 讀取更多

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