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https://issues.apache.org/jira/browse/STANBOL-1034?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rupert Westenthaler resolved STANBOL-1034.
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Resolution: Fixed
marking as resolved after creating an own issue for the pageId based mapping
between freebase and dbpedia
> Freebase Keys to owl:sameAs processor
> -------------------------------------
>
> Key: STANBOL-1034
> URL: https://issues.apache.org/jira/browse/STANBOL-1034
> Project: Stanbol
> Issue Type: Sub-task
> Components: Entityhub
> Reporter: Rupert Westenthaler
> Assignee: Rupert Westenthaler
>
> Freebase does not link any linked data set, but uses Freebase keys to
> represent IDs used for an Freebase entity within other data sets. However it
> does not support direct links to URIs of Entities in other datasets.
> In addition Freebase uses a special encoding for keys [1]. Therefore key
> values need
> This processor will include support for generating owl:sameAs links to
> DBPedia as well as Musicbrainz but may be extended to additional datasets in
> the future.
> DBPedia linking:
> -----
> Freebase does not link to DBPedia, but provides links to Wikipedia. But
> because DBPedia does use the same local names as Wikipedia this is not a
> problem. Freebase provides links to all Wikipedia languages. The mapping will
> prefer links to the English language version. Only for Entities where there
> is no link to the English version it will consider other language versions.
> Freebase often links several Wikipedia pages (of the same language) to a
> Freebase entity. Most often those versions are only redirected pages on
> Wikipedia. Because of that the linking will try to link only to the main
> page. This is determined by taking the name of the Freebase entity; replacing
> ' ' with '_' and looking if a key for that value exists. If this is not the
> case all links are included.
> Musicbrainz linking:
> ------
> Freebase provides musicbrainz.org IDs as keys. However to provide correct
> links based on those IDs one needs to also consider the type of the Entity as
> musicbrainz uses the types in for URIS - e.g.
> http://musicbrainz.org/recording/71158621-b261-4d3f-8b35-592014dc1fbb
> http://musicbrainz.org/release/f3c72169-6a7e-4594-a507-23360652f59c
> http://musicbrainz.org/artist/a4d486bd-6020-4a36-9c7d-bf5ce174bcd1
> The following mappings between Freebase types (rdf:type) and musicbrainz type
> names do exist
> recording => http://rdf.freebase.com/ns/music.recording
> artist => http://rdf.freebase.com/ns/music.artist
> release => http://rdf.freebase.com/ns/music.release
> Configuration:
> ----
> The configuration will allow to enable/disable the mappings for dbpedia and
> freebase
> [1] http://wiki.freebase.com/wiki/MQL_key_escaping
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