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<h1 class="title">Eyeball - checking RDF/OWL for common problems</h1>
<p>Eyeball is a Jena-based tool for checking RDF models (including OWL)
for common problems. It is user-extensible using plugins.</p>
<p><b>This page is historical &ldquo;for information only&rdquo; - there is no Apache
release of Eyeball and the code has not been updated for Jena3.<br>
<br/>
The <a href="https://svn.apache.org/viewvc/jena/Scratch/Eyeball/trunk/">original source code is available</a>.
</b></p>
<h2 id="documentation-index">Documentation index</h2>
<ul>
<li>The <a href="eyeball-guide.html">brief guide</a>.</li>
<li>The <a href="eyeball-manual.html">manual</a>.</li>
<li>The <a href="#todo/documentation/javadoc/eyeball/index.html">JavaDoc</a>.</li>
</ul>
<h2 id="getting-the-eyeball-release">Getting the Eyeball release</h2>
<!--Please see the [downloads page](/download/index.cgi) for details.-->
<h2 id="installation">Installation</h2>
<p>Eyeball needs to be compiled from source.</p>
<p>If you have Ant installed, run the Eyeball test suite:</p>
<pre><code>ant test
</code></pre>
<p>Ensure all the jars in the Eyeball <code>lib</code> directory are on your
classpath.</p>
<h2 id="using-eyeball-with-apache-maven">Using Eyeball with Apache Maven</h2>
<p>TODO</p>
<h2 id="trying-it-out">Trying it out</h2>
<p>Pick one of your RDF files; we&rsquo;ll call it FOO for now. Run the
command-line command</p>
<pre><code>java jena.eyeball -check FOO
</code></pre>
<p>You will likely get a whole bunch of messages about your RDF. The
messages are supposed to be self-explanatory, so you may be able to
go ahead and fix some problems straight away. If you get a Java
error about <strong>NoClassDefFoundError</strong>, you&rsquo;ve forgotten to set the
classpath up or use the <em>-cp myClassPath</em> option to Java.</p>
<p>You may also want to try the experimental GUI, see below.</p>
<p>If the messages aren&rsquo;t self-explanatory, or you want more details,
please consult the <a href="eyeball-guide.html">guide</a>.</p>
<h2 id="experimental-eyeball-gui">Experimental Eyeball GUI</h2>
<p>Eyeball includes a simple GUI tool which will allow multiple files to be
checked at once and multiple schemas to be assumed. It will also allow you
to select which inspectors are used.</p>
<p>To start the GUI, use the following (assuming your classpath is set up, as above):
java jena.eyeballGUI</p>
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