Query Apache Fuseki Default Graph

[tonh...@gmail.com]

Hi guys

I am new to RDFLib as well as Apache Jena. I've been trying to use the sample file sparqlstore_example.py in GitHub to query Apache Jena Fuseki with no luck.

The problem is I am trying to query the default graph in Jena Fuseki but I don't know what to put in the identifier of the graph

graph = Graph('SPARQLStore', identifier="what should be here???")

If I put None or empty string, RDFLib replaces it with a GUID and send to Fuseki like so: &default-graph-uri=N3f1203e707c1441c88c1fe0664903f78

If I use CURL and execute the same query generated by RDFLib removing default-graph-uri parameter then it works.

How can I get rid of default-graph-uri ????

Thank you

Best Regards

Alex To

[Gunnar Aastrand Grimnes]

I believe if you use a ConjunctiveGraph, this will just work (it knows
about the concept of a default graph)

You can also use the magic URL urn:x-arq:DefaultGraph for your Graph,
which Fuseki will know what to do with.

- Gunnar

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[Alex To]

You're right, I found out that there is a constant in rdflib DATASET_DEFAULT_GRAPH_ID which is the magic URL that does the job

Thanks a lot