What data sources does RES come with? Ed Kenschaft June 11, 2015 19:26 Follow The out-of-the-box knowledge base is built from Wikidata and Freebase. Each linked entity comes with an ID for these two sources. When available, URIs are also provided for DBPedia, GeoNames, Yago, and CIA Factbook. Comments 0 comments Please sign in to leave a comment.