Freebase (database) - Wikipedia
Data Dumps | Freebase API (Deprecated) | Google Developers
1.9B RDF triples, 31 GB
Freebase Easy - Dataset Download
3.3 GBFreebase Easy (Cities in Europe)
Both projects publish RDF data about entities. The source of the data is very different: whereas DBpedia extracts the data from the infoboxes, Wikidata will collect data entered through its interfaces.
Data in Wikidata will also be annotated with its provenance: it does not simply state the population of Germany, but it also requires a source to be given for the data. The two data repositories will co-exist.
DBpedia (from "DB" for "database") is a project aiming to extract structured content from the information created in the Wikipedia project.
The Developers page lists the file as 22 GB gzip compressed and 250 GB uncompressed, although a recent download exceeds this file size (a May 2016 download amounted to >30 GB compressed and >400 GB uncompressed).
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