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Posted to issues@jena.apache.org by "xilixii (via GitHub)" <gi...@apache.org> on 2023/07/30 18:24:35 UTC
[GitHub] [jena] xilixii opened a new issue, #1976: Is there possible duplicated triples in TDB2?
xilixii opened a new issue, #1976:
URL: https://github.com/apache/jena/issues/1976
### Version
4.8.0
### Question
I want to know whether TDB will contain two same triples or the loaded triples had been deduplicated when it build the TDB database.
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[GitHub] [jena] xilixii commented on issue #1976: Is there possible duplicated triples in TDB2?
Posted by "xilixii (via GitHub)" <gi...@apache.org>.
xilixii commented on issue #1976:
URL: https://github.com/apache/jena/issues/1976#issuecomment-1657779739
Thanks @afs
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[GitHub] [jena] afs commented on issue #1976: Is there possible duplicated triples in TDB2?
Posted by "afs (via GitHub)" <gi...@apache.org>.
afs commented on issue #1976:
URL: https://github.com/apache/jena/issues/1976#issuecomment-1657764573
An RDF graph is a set of triples - there are no duplicates in a graph.
A triple can be in several graphs. If you use the union default graph feature (make the default graph for query be the union of all the named graphs), there will still only be one triple in the default graph.
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[GitHub] [jena] xilixii closed issue #1976: Is there possible duplicated triples in TDB2?
Posted by "xilixii (via GitHub)" <gi...@apache.org>.
xilixii closed issue #1976: Is there possible duplicated triples in TDB2?
URL: https://github.com/apache/jena/issues/1976
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