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Posted to commits@stanbol.apache.org by "Rupert Westenthaler (JIRA)" <ji...@apache.org> on 2012/10/10 09:33:02 UTC
[jira] [Commented] (STANBOL-764) Add support for importing Quads to
the JenaTDB indexing source
[ https://issues.apache.org/jira/browse/STANBOL-764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13473056#comment-13473056 ]
Rupert Westenthaler commented on STANBOL-764:
---------------------------------------------
To avoid clashes with bank nodes (Bnodes) the importer replaces Bnodes with URIs that use the URI of the context and do add the Bnode ID as local name.
e.g. the quad
_:node16nh2jpdcx57591272 <http://xmlns.com/foaf/0.1/name> "Barack Obama"@en <http://www.huffingtonpost.com/2009/01/13/obama-issues-first-veto-t_n_157585.html> .
would be imported as Triple
http://www.huffingtonpost.com/2009/01/13/obama-issues-first-veto-t_n_157585.htm#node16nh2jpdcx5759127 <http://xmlns.com/foaf/0.1/name> "Barack Obama"@en .
One needs to note that this does change the RDF data as anonymous BNodes are converted to dereferenceable URIs. Because of that this behavior might need some further discussion
> Add support for importing Quads to the JenaTDB indexing source
> --------------------------------------------------------------
>
> Key: STANBOL-764
> URL: https://issues.apache.org/jira/browse/STANBOL-764
> Project: Stanbol
> Issue Type: New Feature
> Components: Entity Hub
> Reporter: Rupert Westenthaler
> Assignee: Rupert Westenthaler
> Priority: Minor
>
> The Jena TDB indexing source should support quads (Nquads, Trig serialized RDF data) by ignoring the context.
> This means that SPO (the triples) are stored to the default dataset of the Jena TDB store by ignoring the Context information of the quads.
> see also http://markmail.org/message/jzy6w7abettauxqv
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