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| <h1 class="title">Data with RDFS Inferencing</h1> |
| |
| |
| <main class="d-flex flex-xl-row flex-column"> |
| |
| <aside class="text-muted align-self-start mb-3 p-0 d-xl-none d-block"> |
| <h2 class="h6 sticky-top m-0 p-2 bg-body-tertiary">On this page</h2> |
| <nav id="TableOfContents"> |
| <ul> |
| <li> |
| <ul> |
| <li><a href="#api-rdfsfactory">API: <code>RDFSFactory</code></a></li> |
| <li><a href="#assembler-rdfs-dataset">Assembler: RDFS Dataset</a></li> |
| <li><a href="#assembler-rdfs-graph">Assembler: RDFS Graph</a></li> |
| </ul> |
| </li> |
| <li><a href="#use-with-fuseki">Use with Fuseki</a> |
| <ul> |
| <li><a href="#querying-the-fuseki-server">Querying the Fuseki server</a></li> |
| <li><a href="#files">Files</a></li> |
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| <article class="flex-column me-lg-4"> |
| <p>This page describes support for accessing data with additional statements |
| derived using RDFS. It supports <code>rdfs:subClassOf</code>, <code>rdfs:subPropertyOf</code>, <code>rdfs:domain</code> and <code>rdfs:range</code>. It |
| does not provide RDF axioms. The RDFS vocabulary is not included in the data.</p> |
| <p>It does support use with RDF datasets, where each graph in the dataset has the |
| same RDFS vocabulary applied to it.</p> |
| <p>This is not a replacement for the <a href="/documentation/inference/#rdfs">Jena RDFS Reasoner support</a> |
| which covers full RDFS inference.</p> |
| <p>The data is updateable, and graphs can be added and removed from the dataset. |
| The vocabulary can not be changed during the lifetime of the RDFS dataset.</p> |
| <h3 id="api-rdfsfactory">API: <code>RDFSFactory</code></h3> |
| <p>The API provides operation to build RDF-enabled datasets from data storage and vocabularies:</p> |
| <p>Example:</p> |
| <div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>DatasetGraph data <span style="color:#666">=</span> <span style="color:#666">...</span> |
| </span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic">// Load the vocabulary |
| </span></span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic"></span>Graph vocab <span style="color:#666">=</span> RDFDataMgr<span style="color:#666">.</span><span style="color:#b44">loadGraph</span><span style="color:#666">(</span><span style="color:#b44">"vocabulary.ttl"</span><span style="color:#666">);</span> |
| </span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic">// Create a DatasetGraph with RDFS |
| </span></span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic"></span>DatasetGraph dsg <span style="color:#666">=</span> datasetRDFS<span style="color:#666">(</span>DatasetGraph data<span style="color:#666">,</span> Graph vocab <span style="color:#666">);</span> |
| </span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic">// (Optional) Present as a Dataset. |
| </span></span></span><span style="display:flex;"><span><span style="color:#080;font-style:italic"></span>Dataset dataset <span style="color:#666">=</span> DatasetFactory<span style="color:#666">.</span><span style="color:#b44">wrap</span><span style="color:#666">(</span>dsg<span style="color:#666">);</span> |
| </span></span></code></pre></div><p>The vocabulary is processed to produce datastructure needed for processing the |
| data efficiently at run time. This is the <code>SetupRDFS</code> class that can be created |
| and shared; it is thread-safe.</p> |
| <div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-java" data-lang="java"><span style="display:flex;"><span>SetupRDFS setup <span style="color:#666">=</span> setupRDFS<span style="color:#666">(</span>vocab<span style="color:#666">);</span> |
| </span></span></code></pre></div><h3 id="assembler-rdfs-dataset">Assembler: RDFS Dataset</h3> |
| <p>Datasets with RDFS can be built with an assembler:</p> |
| <div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-turtle" data-lang="turtle"><span style="display:flex;"><span><span style="color:#b8860b"><#rdfsDS></span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">rdf:</span><span style="color:#008000;font-weight:bold">type</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">ja:</span><span style="color:#008000;font-weight:bold">DatasetRDFS</span><span style="color:#bbb"> </span>;<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">ja:</span><span style="color:#008000;font-weight:bold">rdfsSchema</span><span style="color:#bbb"> </span><span style="color:#b8860b"><vocabulary.ttl></span>;<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">ja:</span><span style="color:#008000;font-weight:bold">dataset</span><span style="color:#bbb"> </span><span style="color:#b8860b"><#baseDataset></span><span style="color:#bbb"> </span>;<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span>.<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#b8860b"><#baseDataset></span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">rdf:</span><span style="color:#008000;font-weight:bold">type</span><span style="color:#bbb"> </span>...<span style="">some</span><span style="color:#bbb"> </span><span style="">dataset</span><span style="color:#bbb"> </span><span style="">type</span><span style="color:#bbb"> </span>...<span style="color:#bbb"> </span>;<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span>...<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span>.<span style="color:#bbb"> |
| </span></span></span></code></pre></div><p>where <code><#baseDataset></code> is the definition of the dataset to be enriched.</p> |
| <h3 id="assembler-rdfs-graph">Assembler: RDFS Graph</h3> |
| <p>It is possible to build a single <code>Model</code>:</p> |
| <div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-turtle" data-lang="turtle"><span style="display:flex;"><span><span style="color:#b8860b"><#rdfsGraph></span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">rdf:</span><span style="color:#008000;font-weight:bold">type</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">ja:</span><span style="color:#008000;font-weight:bold">GraphRDFS</span><span style="color:#bbb"> </span>;<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">ja:</span><span style="color:#008000;font-weight:bold">rdfsSchema</span><span style="color:#bbb"> </span><span style="color:#b8860b"><vocabulary.ttl></span>;<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">ja:</span><span style="color:#008000;font-weight:bold">graph</span><span style="color:#bbb"> </span><span style="color:#b8860b"><#baseGraph></span><span style="color:#bbb"> </span>;<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span>.<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#b8860b"><#baseGraph></span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">rdf:</span><span style="color:#008000;font-weight:bold">type</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">ja:</span><span style="color:#008000;font-weight:bold">MemoryModel</span>;<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span>...<span style="color:#bbb"> |
| </span></span></span></code></pre></div><p>More generally, inference models can be defined using the Jena Inference and Rule |
| engine: |
| <a href="https://github.com/apache/jena/tree/main/jena-fuseki2/examples/config-inference-1.ttl">jena-fuseki2/examples/config-inference-1.ttl</a>.</p> |
| <h2 id="use-with-fuseki">Use with Fuseki</h2> |
| <p>The files for this example are available at: |
| <a href="https://github.com/apache/jena/tree/main/jena-fuseki2/examples/rdfs">jena-fuseki2/examples/rdfs</a>.</p> |
| <p>From the command line (here, loading data from a file into an in-memory dataset):</p> |
| <div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>fuseki-server --data data.trig --rdfs vocabulary.ttl /dataset |
| </span></span></code></pre></div><p>or from a configuration file with an RDFS Dataset:</p> |
| <div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-turtle" data-lang="turtle"><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">PREFIX</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">:</span><span style="color:#bbb"> </span><span style="color:#b8860b"><#></span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#a2f;font-weight:bold">PREFIX</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">fuseki:</span><span style="color:#bbb"> </span><span style="color:#b8860b"><http://jena.apache.org/fuseki#></span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#a2f;font-weight:bold">PREFIX</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">rdf:</span><span style="color:#bbb"> </span><span style="color:#b8860b"><http://www.w3.org/1999/02/22-rdf-syntax-ns#></span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#a2f;font-weight:bold">PREFIX</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">rdfs:</span><span style="color:#bbb"> </span><span style="color:#b8860b"><http://www.w3.org/2000/01/rdf-schema#></span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#a2f;font-weight:bold">PREFIX</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">ja:</span><span style="color:#bbb"> </span><span style="color:#b8860b"><http://jena.hpl.hp.com/2005/11/Assembler#></span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span>[]<span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">rdf:</span><span style="color:#008000;font-weight:bold">type</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">fuseki:</span><span style="color:#008000;font-weight:bold">Server</span><span style="color:#bbb"> </span>;<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">fuseki:</span><span style="color:#008000;font-weight:bold">services</span><span style="color:#bbb"> </span>(<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">:</span><span style="color:#008000;font-weight:bold">service</span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span>)<span style="color:#bbb"> </span>.<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#080;font-style:italic">## Fuseki service /dataset with SPARQ query</span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#080;font-style:italic">## /dataset?query=</span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#00f;font-weight:bold">:</span><span style="color:#008000;font-weight:bold">service</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">rdf:</span><span style="color:#008000;font-weight:bold">type</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">fuseki:</span><span style="color:#008000;font-weight:bold">Service</span><span style="color:#bbb"> </span>;<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">fuseki:</span><span style="color:#008000;font-weight:bold">name</span><span style="color:#bbb"> </span><span style="color:#b44">"dataset"</span><span style="color:#bbb"> </span>;<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">fuseki:</span><span style="color:#008000;font-weight:bold">endpoint</span><span style="color:#bbb"> </span>[<span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">fuseki:</span><span style="color:#008000;font-weight:bold">operation</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">fuseki:</span><span style="color:#008000;font-weight:bold">query</span><span style="color:#bbb"> </span>]<span style="color:#bbb"> </span>;<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">fuseki:</span><span style="color:#008000;font-weight:bold">endpoint</span><span style="color:#bbb"> </span>[<span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">fuseki:</span><span style="color:#008000;font-weight:bold">operation</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">fuseki:</span><span style="color:#008000;font-weight:bold">update</span><span style="color:#bbb"> </span>]<span style="color:#bbb"> </span>;<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">fuseki:</span><span style="color:#008000;font-weight:bold">dataset</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">:</span><span style="color:#008000;font-weight:bold">rdfsDataset</span><span style="color:#bbb"> </span>;<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span>.<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#080;font-style:italic">## RDFS</span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#00f;font-weight:bold">:</span><span style="color:#008000;font-weight:bold">rdfsDataset</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">rdf:</span><span style="color:#008000;font-weight:bold">type</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">ja:</span><span style="color:#008000;font-weight:bold">DatasetRDFS</span><span style="color:#bbb"> </span>;<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">ja:</span><span style="color:#008000;font-weight:bold">rdfsSchema</span><span style="color:#bbb"> </span><span style="color:#b8860b"><file:vocabulary.ttl></span>;<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">ja:</span><span style="color:#008000;font-weight:bold">dataset</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">:</span><span style="color:#008000;font-weight:bold">baseDataset</span>;<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span>.<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#080;font-style:italic">## Transactional in-memory dataset.</span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#00f;font-weight:bold">:</span><span style="color:#008000;font-weight:bold">baseDataset</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">rdf:</span><span style="color:#008000;font-weight:bold">type</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">ja:</span><span style="color:#008000;font-weight:bold">MemoryDataset</span><span style="color:#bbb"> </span>;<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">ja:</span><span style="color:#008000;font-weight:bold">data</span><span style="color:#bbb"> </span><span style="color:#b8860b"><file:data.trig></span>;<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> </span>.<span style="color:#bbb"> |
| </span></span></span></code></pre></div><h3 id="querying-the-fuseki-server">Querying the Fuseki server</h3> |
| <p>With the <a href="/documentation/fuseki2/soh.html">SOH</a> tools, a query (asking for plain |
| text output):</p> |
| <div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>s-query --service http://localhost:3030/dataset --output<span style="color:#666">=</span>text --file query.rq |
| </span></span></code></pre></div><p>or with <code>curl</code>:</p> |
| <div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>curl --data @query.rq <span style="color:#b62;font-weight:bold">\ |
| </span></span></span><span style="display:flex;"><span><span style="color:#b62;font-weight:bold"></span> --header <span style="color:#b44">'Accept: text/plain'</span> <span style="color:#b62;font-weight:bold">\ |
| </span></span></span><span style="display:flex;"><span><span style="color:#b62;font-weight:bold"></span> --header <span style="color:#b44">'Content-type: application/sparql-query'</span> <span style="color:#b62;font-weight:bold">\ |
| </span></span></span><span style="display:flex;"><span><span style="color:#b62;font-weight:bold"></span> http://localhost:3030/dataset |
| </span></span></code></pre></div><p>will return:</p> |
| <pre tabindex="0"><code>------------------------- |
| | s | p | o | |
| ========================= |
| | :s | ns:p | :o | |
| | :s | rdf:type | ns:D | |
| | :o | rdf:type | ns:T1 | |
| | :o | rdf:type | ns:T3 | |
| | :o | rdf:type | ns:T2 | |
| ------------------------- |
| </code></pre><h3 id="files">Files</h3> |
| <p><code>data.trig</code>:</p> |
| <div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-turtle" data-lang="turtle"><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">PREFIX</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">:</span><span style="color:#bbb"> </span><span style="color:#b8860b"><http://example/></span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#a2f;font-weight:bold">PREFIX</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">ns:</span><span style="color:#bbb"> </span><span style="color:#b8860b"><http://example/ns#></span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#00f;font-weight:bold">:</span><span style="color:#008000;font-weight:bold">s</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">ns:</span><span style="color:#008000;font-weight:bold">p</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">:</span><span style="color:#008000;font-weight:bold">o</span><span style="color:#bbb"> </span>.<span style="color:#bbb"> |
| </span></span></span></code></pre></div><p><code>vocabulary.ttl</code>:</p> |
| <div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-turtle" data-lang="turtle"><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">PREFIX</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">xsd:</span><span style="color:#bbb"> </span><span style="color:#b8860b"><http://www.w3.org/2001/XMLSchema#></span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#a2f;font-weight:bold">PREFIX</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">rdf:</span><span style="color:#bbb"> </span><span style="color:#b8860b"><http://www.w3.org/1999/02/22-rdf-syntax-ns#></span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#a2f;font-weight:bold">PREFIX</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">rdfs:</span><span style="color:#bbb"> </span><span style="color:#b8860b"><http://www.w3.org/2000/01/rdf-schema#></span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#a2f;font-weight:bold">PREFIX</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">skos:</span><span style="color:#bbb"> </span><span style="color:#b8860b"><http://www.w3.org/2008/05/skos#></span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#a2f;font-weight:bold">PREFIX</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">list:</span><span style="color:#bbb"> </span><span style="color:#b8860b"><http://jena.hpl.hp.com/ARQ/list#></span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#a2f;font-weight:bold">PREFIX</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">ns:</span><span style="color:#bbb"> </span><span style="color:#b8860b"><http://example/ns#></span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#00f;font-weight:bold">ns:</span><span style="color:#008000;font-weight:bold">T1</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">rdfs:</span><span style="color:#008000;font-weight:bold">subClassOf</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">ns:</span><span style="color:#008000;font-weight:bold">T2</span><span style="color:#bbb"> </span>.<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#00f;font-weight:bold">ns:</span><span style="color:#008000;font-weight:bold">T2</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">rdfs:</span><span style="color:#008000;font-weight:bold">subClassOf</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">ns:</span><span style="color:#008000;font-weight:bold">T3</span><span style="color:#bbb"> </span>.<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#00f;font-weight:bold">ns:</span><span style="color:#008000;font-weight:bold">p</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">rdfs:</span><span style="color:#008000;font-weight:bold">domain</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">ns:</span><span style="color:#008000;font-weight:bold">D</span><span style="color:#bbb"> </span>.<span style="color:#bbb"> |
| </span></span></span><span style="display:flex;"><span><span style="color:#bbb"></span><span style="color:#00f;font-weight:bold">ns:</span><span style="color:#008000;font-weight:bold">p</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">rdfs:</span><span style="color:#008000;font-weight:bold">range</span><span style="color:#bbb"> </span><span style="color:#00f;font-weight:bold">ns:</span><span style="color:#008000;font-weight:bold">T1</span><span style="color:#bbb"> </span>.<span style="color:#bbb"> |
| </span></span></span></code></pre></div><p><code>query.rq</code>:</p> |
| <div class="highlight"><pre tabindex="0" style="background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-sparql" data-lang="sparql"><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">PREFIX</span> : <span style="color:#a0a000"><http://example/></span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">PREFIX</span> <span style="color:#00f;font-weight:bold">ns</span>: <span style="color:#a0a000"><http://example/ns#></span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">PREFIX</span> <span style="color:#00f;font-weight:bold">rdf</span>: <span style="color:#a0a000"><http://www.w3.org/1999/02/22-rdf-syntax-ns#></span> |
| </span></span><span style="display:flex;"><span> |
| </span></span><span style="display:flex;"><span><span style="color:#a2f;font-weight:bold">SELECT</span> <span style="color:#666">*</span> { <span style="color:#b8860b">?s</span> <span style="color:#b8860b">?p</span> <span style="color:#b8860b">?o</span> } |
| </span></span></code></pre></div> |
| </article> |
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| <ul> |
| <li> |
| <ul> |
| <li><a href="#api-rdfsfactory">API: <code>RDFSFactory</code></a></li> |
| <li><a href="#assembler-rdfs-dataset">Assembler: RDFS Dataset</a></li> |
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