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<?xml version="1.0" encoding="ascii"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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<title>RDFClosure.DeductiveClosure</title>
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<a href="RDFClosure-module.html">Package RDFClosure</a> ::
Class DeductiveClosure
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<!-- ==================== CLASS DESCRIPTION ==================== -->
<h1 class="epydoc">Class DeductiveClosure</h1><p class="nomargin-top"><span class="codelink"><a href="RDFClosure-pysrc.html#DeductiveClosure">source code</a></span></p>
<p>Entry point to generate the deductive closure of a graph. The exact
choice deductive closure is controlled by a class reference. The
important initialization parameter is the <code>closure_class</code>: a
Class object referring to a subclass of <a
href="RDFClosure.Closure.Core-class.html" class="link">Closure.Core</a>.
Although this package includes a number of such subclasses (<a
href="RDFClosure.OWLRL.OWLRL_Semantics-class.html"
class="link">OWLRL_Semantics</a>, <a
href="RDFClosure.RDFSClosure.RDFS_Semantics-class.html"
class="link">RDFS_Semantics</a>, <a
href="RDFClosure.CombinedClosure.RDFS_OWLRL_Semantics-class.html"
class="link">RDFS_OWLRL_Semantics</a>, and <a
href="RDFClosure.OWLRLExtras.OWLRL_Extension-class.html"
class="link">OWLRL_Extension</a>), the user can use his/her own if
additional rules are implemented.</p>
<p>Note that owl:imports statements are <i>not</i> interpreted in this
class, that has to be done beforehand on the graph that is to be
expanded.</p>
<!-- ==================== INSTANCE METHODS ==================== -->
<a name="section-InstanceMethods"></a>
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a href="RDFClosure.DeductiveClosure-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">closure_class</span>,
<span class="summary-sig-arg">improved_datatypes</span>=<span class="summary-sig-default">True</span>,
<span class="summary-sig-arg">rdfs_closure</span>=<span class="summary-sig-default">False</span>,
<span class="summary-sig-arg">axiomatic_triples</span>=<span class="summary-sig-default">False</span>,
<span class="summary-sig-arg">datatype_axioms</span>=<span class="summary-sig-default">False</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="RDFClosure-pysrc.html#DeductiveClosure.__init__">source code</a></span>
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<span class="summary-type"> </span>
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<tr>
<td><span class="summary-sig"><a href="RDFClosure.DeductiveClosure-class.html#expand" class="summary-sig-name">expand</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">graph</span>)</span><br />
Expand the graph using forward chaining, and with the relevant
closure type.</td>
<td align="right" valign="top">
<span class="codelink"><a href="RDFClosure-pysrc.html#DeductiveClosure.expand">source code</a></span>
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<!-- ==================== STATIC METHODS ==================== -->
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a name="use_improved_datatypes_conversions"></a><span class="summary-sig-name">use_improved_datatypes_conversions</span>()</span><br />
Switch the system to use the improved datatype conversion routines.</td>
<td align="right" valign="top">
<span class="codelink"><a href="RDFClosure-pysrc.html#DeductiveClosure.use_improved_datatypes_conversions">source code</a></span>
</td>
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<span class="summary-type"> </span>
</td><td class="summary">
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<tr>
<td><span class="summary-sig"><a name="use_rdflib_datatypes_conversions"></a><span class="summary-sig-name">use_rdflib_datatypes_conversions</span>()</span><br />
Switch the system to use the generic (RDFLib) datatype conversion
routines</td>
<td align="right" valign="top">
<span class="codelink"><a href="RDFClosure-pysrc.html#DeductiveClosure.use_rdflib_datatypes_conversions">source code</a></span>
</td>
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</td>
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<!-- ==================== CLASS VARIABLES ==================== -->
<a name="section-ClassVariables"></a>
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cellspacing="0" width="100%" bgcolor="white">
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<td align="left"><span class="table-header">Class Variables</span></td>
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><span class="options">[<a href="#section-ClassVariables"
class="privatelink" onclick="toggle_private();"
>hide private</a>]</span></td>
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<span class="summary-type">boolean</span>
</td><td class="summary">
<a href="RDFClosure.DeductiveClosure-class.html#improved_datatype_generic" class="summary-name">improved_datatype_generic</a> = <code title="False">False</code><br />
Whether the improved set of lexical-to-Python conversions should be
used for datatype handling <i>in general</i>, ie, not only for a
particular instance and not only for inference purposes.
</td>
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</table>
<!-- ==================== INSTANCE VARIABLES ==================== -->
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<td align="left"><span class="table-header">Instance Variables</span></td>
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><span class="options">[<a href="#section-InstanceVariables"
class="privatelink" onclick="toggle_private();"
>hide private</a>]</span></td>
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<span class="summary-type">boolean</span>
</td><td class="summary">
<a href="RDFClosure.DeductiveClosure-class.html#axiomatic_triples" class="summary-name">axiomatic_triples</a><br />
Whether relevant axiomatic triples are added before chaining, except
for datatype axiomatic triples.
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"><a href="RDFClosure.Closure.Core-class.html"
class="link">Closure.Core</a></span>
</td><td class="summary">
<a name="closure_class"></a><span class="summary-name">closure_class</span><br />
the class instance used to expand the graph
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">boolean</span>
</td><td class="summary">
<a href="RDFClosure.DeductiveClosure-class.html#datatype_axioms" class="summary-name">datatype_axioms</a><br />
Whether further datatype axiomatic triples are added to the output.
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">boolean</span>
</td><td class="summary">
<a href="RDFClosure.DeductiveClosure-class.html#rdfs_closure" class="summary-name">rdfs_closure</a><br />
Whether the RDFS closure should also be executed.
</td>
</tr>
</table>
<!-- ==================== METHOD DETAILS ==================== -->
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<td align="left"><span class="table-header">Method Details</span></td>
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><span class="options">[<a href="#section-MethodDetails"
class="privatelink" onclick="toggle_private();"
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<a name="__init__"></a>
<div>
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cellspacing="0" width="100%" bgcolor="white">
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">closure_class</span>,
<span class="sig-arg">improved_datatypes</span>=<span class="sig-default">True</span>,
<span class="sig-arg">rdfs_closure</span>=<span class="sig-default">False</span>,
<span class="sig-arg">axiomatic_triples</span>=<span class="sig-default">False</span>,
<span class="sig-arg">datatype_axioms</span>=<span class="sig-default">False</span>)</span>
<br /><em class="fname">(Constructor)</em>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="RDFClosure-pysrc.html#DeductiveClosure.__init__">source code</a></span>
</td>
</tr></table>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>closure_class</code></strong> (subclass of <a href="RDFClosure.Closure.Core-class.html"
class="link">Closure.Core</a>) - a closure class reference.</li>
<li><strong class="pname"><code>rdfs_closure</code></strong> (boolean) - whether RDFS rules are executed or not</li>
<li><strong class="pname"><code>axiomatic_triples</code></strong> (boolean) - Whether relevant axiomatic triples are added before chaining,
except for datatype axiomatic triples. Default: False.</li>
<li><strong class="pname"><code>datatype_axioms</code></strong> (boolean) - Whether further datatype axiomatic triples are added to the
output. Default: false.</li>
<li><strong class="pname"><code>improved_datatypes</code></strong> (boolean) - Whether the improved set of lexical-to-Python conversions should
be used for datatype handling. See the introduction for more
details. Default: True.</li>
</ul></dd>
</dl>
</td></tr></table>
</div>
<a name="expand"></a>
<div>
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cellspacing="0" width="100%" bgcolor="white">
<tr><td>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">expand</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">graph</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="RDFClosure-pysrc.html#DeductiveClosure.expand">source code</a></span>
</td>
</tr></table>
<p>Expand the graph using forward chaining, and with the relevant closure
type.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>graph</code></strong> (rdflib.Graph) - the RDF graph</li>
</ul></dd>
</dl>
</td></tr></table>
</div>
<br />
<!-- ==================== CLASS VARIABLE DETAILS ==================== -->
<a name="section-ClassVariableDetails"></a>
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cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
<td colspan="2" class="table-header">
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr valign="top">
<td align="left"><span class="table-header">Class Variable Details</span></td>
<td align="right" valign="top"
><span class="options">[<a href="#section-ClassVariableDetails"
class="privatelink" onclick="toggle_private();"
>hide private</a>]</span></td>
</tr>
</table>
</td>
</tr>
</table>
<a name="improved_datatype_generic"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<h3 class="epydoc">improved_datatype_generic</h3>
Whether the improved set of lexical-to-Python conversions should be used
for datatype handling <i>in general</i>, ie, not only for a particular
instance and not only for inference purposes. Default: False.
<dl class="fields">
<dt>Type:</dt>
<dd>boolean</dd>
</dl>
<dl class="fields">
<dt>Value:</dt>
<dd><table><tr><td><pre class="variable">
False
</pre></td></tr></table>
</dd>
</dl>
</td></tr></table>
</div>
<br />
<!-- ==================== INSTANCE VARIABLE DETAILS ==================== -->
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><span class="options">[<a href="#section-InstanceVariableDetails"
class="privatelink" onclick="toggle_private();"
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<a name="axiomatic_triples"></a>
<div>
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cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<h3 class="epydoc">axiomatic_triples</h3>
Whether relevant axiomatic triples are added before chaining, except for
datatype axiomatic triples. Default: False.
<dl class="fields">
<dt>Type:</dt>
<dd>boolean</dd>
</dl>
</td></tr></table>
</div>
<a name="datatype_axioms"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
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<h3 class="epydoc">datatype_axioms</h3>
Whether further datatype axiomatic triples are added to the output.
Default: false.
<dl class="fields">
<dt>Type:</dt>
<dd>boolean</dd>
</dl>
</td></tr></table>
</div>
<a name="rdfs_closure"></a>
<div>
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cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<h3 class="epydoc">rdfs_closure</h3>
Whether the RDFS closure should also be executed. Default: False.
<dl class="fields">
<dt>Type:</dt>
<dd>boolean</dd>
</dl>
</td></tr></table>
</div>
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