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Update note about datasets and SPARQL #133

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Update note about datasets and SPARQL #133

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Update note about datasets and SPARQL
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16 changes: 6 additions & 10 deletions spec/index.html
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Expand Up @@ -1012,16 +1012,12 @@ <h2>RDF Datasets</h2>
can avoid interoperability issues by not ascribing importance to
the presence or absence of empty named graphs.</p>

<p>SPARQL 1.2 [[SPARQL12-CONCEPTS]] also defines the concept of an RDF
Dataset. The definition of an RDF Dataset in SPARQL 1.1 and this
specification differ slightly in that this specification allows RDF
Graphs to be identified using either an IRI or a blank node. SPARQL 1.1
Query Language only allows RDF Graphs to be identified using an IRI.
Existing SPARQL implementations might not allow blank nodes to be used
to identify RDF Graphs for some time, so their use can cause
interoperability problems.
<a href="#section-skolemization">Skolemizing</a> blank nodes used as
graph names can be used to overcome these interoperability problems.</p>
<p>SPARQL 1.2 [[SPARQL12-QUERY]] uses
<a data-cite="SPARQL12-QUERY#sparqlDataset">the same concept of an RDF Dataset</a>
in which the graph names of named graphs may be IRIs or blank nodes.
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SPARQL 1.2 [[SPARQL12-QUERY]] uses
<a data-cite="SPARQL12-QUERY#sparqlDataset">the same concept of an RDF Dataset</a>
as ... what/where/when? ...,
in which the graph names of named graphs may be IRIs or blank nodes.

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"RDF Dataset" is defined immediately above the note so I think it is clear.

In contrast, version 1.1 of the SPARQL Query Language [[SPARQL11-QUERY]]
only allows IRIs as graph names.</p>
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Suggested change
In contrast, version 1.1 of the SPARQL Query Language [[SPARQL11-QUERY]]
only allows IRIs as graph names.</p>
In contrast, version 1.1 of the SPARQL Query Language [[SPARQL11-QUERY]]
only allows IRIs (not blank nodes) to be the graph names of named graphs.</p>

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"RDF Dataset" is defined immediately above the note.


</div>

<section id="section-dataset-isomorphism">
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