The Freebase API has been shut down. This page provides access to the final accessible data dump.
Knowledge Dumps are a downloadable model of the info in Freebase. They constitute a snapshot of the data saved in Freebase and the Schema that buildings it, and are offered beneath the identical CC-BY license. The Freebase/Wikidata mappings are supplied under the CC0 license.
Whole triples: 1.9 billion
The RDF knowledge is serialized using the N-Triples format, encoded as UTF-8 text and compressed with Gzip.
When you’re writing your own code to parse the RDF dumps its typically more efficient to learn straight from GZip file relatively than extracting the data first after which processing the uncompressed information.
Note: In Freebase, objects have MIDs that seem like /m/012rkqx. In RDF these MIDs become m.012rkqx. Likewise, Freebase schema like /common/topic are written as widespread.subject.
The topic is the ID of a Freebase object. It may be a Freebase MID (ex. m.012rkqx) for subjects and CVTs or a human-readable ID (ex. common.matter) for schema.
The predicate is always a human-readable ID for a Freebase property or a property from an ordinary RDF vocabulary like RDFS Freebase overseas key namespaces are also used as predicates to make it simpler to lookup keys by namespace.
The object field could include a Freebase MID for an object or a human-readable ID for schema from Freebase or other RDF vocabularies. It may also include literal values like strings, booleans and numeric values.
Topic descriptions typically comprise newlines. As a way to make every triple fit on one line, we have now escaped newlines with “\n”.
Freebase Deleted Triples
We additionally present a dump of triples which were deleted from Freebase over time. This is a one-time dump by way of March 2013. In the future, we would consider providing periodic updates of just lately deleted triples, but in the mean time now we have no particular timeframe for doing so, and are only providing this one-time dump.
The dump is distributed as file (2.1Gb compressed, 7.7Gb uncompressed). It accommodates sixty three,036,271 deleted triples in 20 information (there is no such thing as a specific meaning to the person recordsdata, it is just simpler to govern several smaller files than one enormous file).
Thanks to Chun How Tan and John Giannandrea for making this data launch doable.
Complete triples: 63 million
Updated: June 9, 2013
The information format is actually CSV with one necessary caveat. The article area might include any characters, including commas (in addition to any other cheap delimiters you can think of). Nevertheless, all the other fields are guaranteed not to contain commas, so the info can nonetheless be parsed unambiguously.
The columns within the dataset are defined as:
creation_timestamp (Unix epoch time in milliseconds)
The information has been created based on the Wikidata-Dump of October 28, 2013, and accommodates solely those links which have at least two common Wikipedia-Links and not a single disagreeing Wikipedia-Hyperlink. Moreover, the traces are sorted by the number of common Wikipedia-Links (though in Turtle this does not actually matter).
Total triples: 2.1M
The RDF data is serialized using the N-Triples format, encoded as UTF-eight textual content and compressed with Gzip.
Freebase Knowledge Dumps are offered freed from cost for any goal with regular updates by Google. They’re distributed, like Freebase itself, underneath the Artistic Commons Attribution (aka CC-BY) and use is subject to the Phrases of Service The Freebase/Wikidata ID mappings are offered below CC0 and can be used with out restrictions.
If you would like to cite these knowledge dumps in a publication, you may use:
Google, Freebase Knowledge Dumps, , ,
Or as BibTeX:
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