Skip to content

GH-284: Align TRIPLE and expression <<( )>> #285

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 3 commits into
base: main
Choose a base branch
from
Open

GH-284: Align TRIPLE and expression <<( )>> #285

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
952b612
GH-284: Align TRIPLE and expression <<( )>>
afs Sep 11, 2025
b330f2e
Update spec/index.html
afs Sep 11, 2025
11780fa
CONSTRUCT omits symmetric-only triples
afs Sep 11, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
32 changes: 17 additions & 15 deletions spec/index.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -7824,24 +7824,26 @@ <h5>TRIPLE</h5>
<span class="operator">&lt;&lt;(</span> subj pred obj <span class="operator">)&gt;&gt;</span>
</pre>
<p>
If the 3-tuple (<code style="color:black">subj</code>,
Create a <a data-cite="RDF12-CONCEPTS#dfn-triple-term">triple term</a> from
<a data-cite="RDF12-CONCEPTS#dfn-rdf-term">RDF terms</a>
<code style="color:black">subj</code>,
<code style="color:black">pred</code>,
<code style="color:black">obj</code>)
is an <a data-cite="RDF12-CONCEPTS#dfn-rdf-triple">RDF triple</a>
(that is, <code style="color:black">subj</code> is an
<a data-cite="RDF12-CONCEPTS#dfn-iri">IRI</a> or
<a data-cite="RDF12-CONCEPTS#dfn-blank-node">blank node</a>;
<code style="color:black">pred</code> is an
<a data-cite="RDF12-CONCEPTS#dfn-iri">IRI</a>;
and <code style="color:black">obj</code> is an
<a data-cite="RDF12-CONCEPTS#dfn-iri">IRI</a>,
<a data-cite="RDF12-CONCEPTS#dfn-triple-term">triple term</a>,
<a data-cite="RDF12-CONCEPTS#dfn-blank-node">blank node</a> or
<a data-cite="RDF12-CONCEPTS#dfn-literal">literal</a>)
the function returns a triple term with these three elements.
and <code style="color:black">obj</code>,
where the predicate is
<a data-cite="RDF12-CONCEPTS#dfn-iri">IRI</a>.
Otherwise, the function raises an error.
</p>

<p class="note">
This allows triples to be
<a data-cite="RDF12-CONCEPTS#dfn-symmetric-rdf-triple">symmetric RDF triples</a>
as corresponding to <a href="#sparqlTriplePatterns">SPARQL triple patterns</a>.
The graph result from a
<a href="#constructGraph">CONSTRUCT</a> query form
allows <a data-cite="RDF12-CONCEPTS#dfn-rdf-triple">RDF triples</a>.
Any other
<a data-cite="RDF12-CONCEPTS#dfn-symmetric-rdf-triple">symmetric RDF triples</a>
will be omitted from the result.
</p>
<p>
As a shorthand notation, the <code>TRIPLE</code> function
can also be written in the form of a
Expand Down
Loading