make the default graph as the union of all of the named graphs

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Gang Fu

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Jun 13, 2016, 2:55:35 PM6/13/16
to BioHDT
Hi All,

I found this feature is very helpful in our case, but it is only available for TDB backend, can we make this available for HDT files?

Best,
Gang
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This service offers SPARQL query access only to a TDB database. The TDB database can have specific features set, such as query timeout or making the default graph the union of all named graphs.

<#service3>  rdf:type fuseki:Service ;
    fuseki:name              "tdb;       # http://host:port/tdb
    fuseki:serviceQuery      "sparql;    # SPARQL query service
    fuseki:dataset           <#dataset> ;
    .

<#dataset> rdf:type      tdb:DatasetTDB ;
    tdb:location "DB;
    # Query timeout on this dataset (1s, 1000 milliseconds)
    ja:context [ ja:cxtName "arq:queryTimeout;  ja:cxtValue "1000" ] ;
    # Make the default graph be the union of all named graphs.
    ## tdb:unionDefaultGraph true ;
     .

Arto Bendiken

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Jun 13, 2016, 8:48:16 PM6/13/16
to Gang Fu, BioHDT mailing list
Hi Gang,

On Tue, Jun 14, 2016 at 3:55 AM, Gang Fu <gangf...@gmail.com> wrote:
> I found this feature is very helpful in our case, but it is only available
> for TDB backend, can we make this available for HDT files?

This would probably be best filed as a feature request at GitHub so
that we can track all issues in one place:

https://github.com/rdfhdt/hdt-java/issues

Note that not all of the hdt-java authors/contributors are subscribed
to this list.

Kind regards,
Arto
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