rule.html

本体推理工具 共八个例子:从如何建立本体到做一些简单的的本体推理

<PRE>
<A HREF="../../../../../org/semanticweb/kaon2/api/logic/Literal.html" title="interface in org.semanticweb.kaon2.api.logic">Literal</A> <B>getBodyLiteral</B>(int&nbsp;bodyLiteralIndex)
                       throws java.lang.ClassCastException</PRE>
<DL>
<DD>Returns the body formula with given index casted to a Literal. If the formula is not a literal, ClassCastException is thrown.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>bodyLiteralIndex</CODE> - the index of the body literal
<DT><B>Returns:</B><DD>the body ltieral with given index
<DT><B>Throws:</B>
<DD><CODE>java.lang.ClassCastException</CODE> - thrown if the body formula with given index is not a Literal</DL>
</DD>
</DL>
<HR>

<A NAME="getBoundVariables()"><!-- --></A><H3>
getBoundVariables</H3>
<PRE>
java.util.Set&lt;<A HREF="../../../../../org/semanticweb/kaon2/api/logic/Variable.html" title="interface in org.semanticweb.kaon2.api.logic">Variable</A>&gt; <B>getBoundVariables</B>()</PRE>
<DL>
<DD>Returns the set of variables bound by the implicit universal qnaitifier in front of the implication.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the set of bound variables</DL>
</DD>
</DL>
<HR>

<A NAME="replaceHeadOrBody(org.semanticweb.kaon2.api.logic.Formula[], org.semanticweb.kaon2.api.logic.Formula[])"><!-- --></A><H3>
replaceHeadOrBody</H3>
<PRE>
<A HREF="../../../../../org/semanticweb/kaon2/api/logic/Rule.html" title="interface in org.semanticweb.kaon2.api.logic">Rule</A> <B>replaceHeadOrBody</B>(<A HREF="../../../../../org/semanticweb/kaon2/api/logic/Formula.html" title="interface in org.semanticweb.kaon2.api.logic">Formula</A>[]&nbsp;newHeadFormulae,
                       <A HREF="../../../../../org/semanticweb/kaon2/api/logic/Formula.html" title="interface in org.semanticweb.kaon2.api.logic">Formula</A>[]&nbsp;newBodyFormulae)</PRE>
<DL>
<DD>Creates a rule in which the body and/or the head formulae are replaced with new formulae.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newHeadFormulae</CODE> - the array of new head formulae, or <code>null</code> if the head formulae of this rule should be used<DD><CODE>newBodyFormulae</CODE> - the array of new body formulae, or <code>null</code> if the body formulae of this rule should be used</DL>
</DD>
</DL>
<HR>

<A NAME="replaceHeadOrBody(org.semanticweb.kaon2.api.logic.Formula[], boolean, org.semanticweb.kaon2.api.logic.Formula[])"><!-- --></A><H3>
replaceHeadOrBody</H3>
<PRE>
<A HREF="../../../../../org/semanticweb/kaon2/api/logic/Rule.html" title="interface in org.semanticweb.kaon2.api.logic">Rule</A> <B>replaceHeadOrBody</B>(<A HREF="../../../../../org/semanticweb/kaon2/api/logic/Formula.html" title="interface in org.semanticweb.kaon2.api.logic">Formula</A>[]&nbsp;newHeadFormulae,
                       boolean&nbsp;isHeadConjunctive,
                       <A HREF="../../../../../org/semanticweb/kaon2/api/logic/Formula.html" title="interface in org.semanticweb.kaon2.api.logic">Formula</A>[]&nbsp;newBodyFormulae)</PRE>
<DL>
<DD>Creates a rule in which the body and/or the head formulae are replaced with new formulae.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newHeadFormulae</CODE> - the array of new head formulae, or <code>null</code> if the head formulae of this rule should be used<DD><CODE>isHeadConjunctive</CODE> - set to <code>true</code> if the head is to be treated as conjunctive (if <code>newHeadFormulae</code> is null, this parameter is ignored)<DD><CODE>newBodyFormulae</CODE> - the array of new body formulae, or <code>null</code> if the body formulae of this rule should be used</DL>
</DD>
</DL>
<HR>

<A NAME="replaceHeadOrBody(java.util.List, java.util.List)"><!-- --></A><H3>
replaceHeadOrBody</H3>
<PRE>
<A HREF="../../../../../org/semanticweb/kaon2/api/logic/Rule.html" title="interface in org.semanticweb.kaon2.api.logic">Rule</A> <B>replaceHeadOrBody</B>(java.util.List&lt;? extends <A HREF="../../../../../org/semanticweb/kaon2/api/logic/Formula.html" title="interface in org.semanticweb.kaon2.api.logic">Formula</A>&gt;&nbsp;newHeadFormulae,
                       java.util.List&lt;? extends <A HREF="../../../../../org/semanticweb/kaon2/api/logic/Formula.html" title="interface in org.semanticweb.kaon2.api.logic">Formula</A>&gt;&nbsp;newBodyFormulae)</PRE>
<DL>
<DD>Creates a rule in which the body and/or the head formulae are replaced with new formulae.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newHeadFormulae</CODE> - the list of new head formulae, or <code>null</code> if the head formulae of this rule should be used<DD><CODE>newBodyFormulae</CODE> - the lsit of new body formulae, or <code>null</code> if the body formulae of this rule should be used</DL>
</DD>
</DL>
<HR>

<A NAME="replaceHeadOrBody(java.util.List, boolean, java.util.List)"><!-- --></A><H3>
replaceHeadOrBody</H3>
<PRE>
<A HREF="../../../../../org/semanticweb/kaon2/api/logic/Rule.html" title="interface in org.semanticweb.kaon2.api.logic">Rule</A> <B>replaceHeadOrBody</B>(java.util.List&lt;? extends <A HREF="../../../../../org/semanticweb/kaon2/api/logic/Formula.html" title="interface in org.semanticweb.kaon2.api.logic">Formula</A>&gt;&nbsp;newHeadFormulae,
                       boolean&nbsp;isHeadConjunctive,
                       java.util.List&lt;? extends <A HREF="../../../../../org/semanticweb/kaon2/api/logic/Formula.html" title="interface in org.semanticweb.kaon2.api.logic">Formula</A>&gt;&nbsp;newBodyFormulae)</PRE>
<DL>
<DD>Creates a rule in which the body and/or the head formulae are replaced with new formulae.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newHeadFormulae</CODE> - the list of new head formulae, or <code>null</code> if the head formulae of this rule should be used<DD><CODE>isHeadConjunctive</CODE> - set to <code>true</code> if the head is to be treated as conjunctive (if <code>newHeadFormulae</code> is null, this parameter is ignored)<DD><CODE>newBodyFormulae</CODE> - the lsit of new body formulae, or <code>null</code> if the body formulae of this rule should be used</DL>
</DD>
</DL>
<HR>

<A NAME="normalize()"><!-- --></A><H3>
normalize</H3>
<PRE>
<A HREF="../../../../../org/semanticweb/kaon2/api/logic/Rule.html" title="interface in org.semanticweb.kaon2.api.logic">Rule</A> <B>normalize</B>()</PRE>
<DL>
<DD>Normalizes this rule by eliminating certain surplus formulae. It may turn out that the normalized rule is tautological;
 in that case <code>null</code> is returned.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the normalized rule (or <code>null</code> if the rule is a tautology)</DL>
</DD>
</DL>
<HR>

<A NAME="isDLSafe()"><!-- --></A><H3>
isDLSafe</H3>
<PRE>
boolean <B>isDLSafe</B>()</PRE>
<DL>
<DD>Returns <code>true</code> if the rule is DL-safe.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD><code>true</code> if the rule is DL-safe</DL>
</DD>
</DL>
<HR>

<A NAME="getDLSafeVersion()"><!-- --></A><H3>
getDLSafeVersion</H3>
<PRE>
<A HREF="../../../../../org/semanticweb/kaon2/api/logic/Rule.html" title="interface in org.semanticweb.kaon2.api.logic">Rule</A> <B>getDLSafeVersion</B>()</PRE>
<DL>
<DD>Returns the DL-safe version of this rule.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the DL-safe version of this rule</DL>
</DD>
</DL>
<HR>

<A NAME="isRangeRestricted()"><!-- --></A><H3>
isRangeRestricted</H3>
<PRE>
boolean <B>isRangeRestricted</B>()</PRE>
<DL>
<DD>Checks if the rule is range-restricted.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD><code>true</code> if the rule is range-restricted</DL>
</DD>
</DL>
<HR>

<A NAME="subsumes(org.semanticweb.kaon2.api.logic.Rule)"><!-- --></A><H3>
subsumes</H3>
<PRE>
<A HREF="../../../../../org/semanticweb/kaon2/api/logic/Rule.SubsumptionResult.html" title="class in org.semanticweb.kaon2.api.logic">Rule.SubsumptionResult</A> <B>subsumes</B>(<A HREF="../../../../../org/semanticweb/kaon2/api/logic/Rule.html" title="interface in org.semanticweb.kaon2.api.logic">Rule</A>&nbsp;rule)</PRE>
<DL>
<DD>Checks whether this rule subsumes another rule.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>rule</CODE> - the other rule
<DT><B>Returns:</B><DD><code>true</code> if this rule subsumes the given rule</DL>
</DD>
</DL>
<HR>

<A NAME="isTautology()"><!-- --></A><H3>
isTautology</H3>
<PRE>
boolean <B>isTautology</B>()</PRE>
<DL>
<DD>Checks if this rule is a tautology. This is the case if the same literal occurs in the body and in the head.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD><code>true</code> if the rule is a tautology</DL>
</DD>
</DL>
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