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| <article class="content wrap" id="_content" data-uid="Lucene.Net.Analysis.Nl"> |
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| <h1 id="Lucene_Net_Analysis_Nl" data-uid="Lucene.Net.Analysis.Nl" class="text-break">Namespace Lucene.Net.Analysis.Nl |
| </h1> |
| <div class="markdown level0 summary"><!-- |
| Licensed to the Apache Software Foundation (ASF) under one or more |
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| <p>Analyzer for Dutch.</p> |
| </div> |
| <div class="markdown level0 conceptual"></div> |
| <div class="markdown level0 remarks"></div> |
| <h3 id="classes">Classes |
| </h3> |
| <h4><a class="xref" href="Lucene.Net.Analysis.Nl.DutchAnalyzer.html">DutchAnalyzer</a></h4> |
| <section><p><a class="xref" href="../Lucene.Net/Lucene.Net.Analysis.Analyzer.html">Analyzer</a> for Dutch language. |
| <p> |
| Supports an external list of stopwords (words that |
| will not be indexed at all), an external list of exclusions (word that will |
| not be stemmed, but indexed) and an external list of word-stem pairs that overrule |
| the algorithm (dictionary stemming). |
| A default set of stopwords is used unless an alternative list is specified, but the |
| exclusion list is empty by default. |
| </p></p> |
| <p>You must specify the required <a class="xref" href="../Lucene.Net/Lucene.Net.Util.LuceneVersion.html">LuceneVersion</a> |
| compatibility when creating <a class="xref" href="Lucene.Net.Analysis.Nl.DutchAnalyzer.html">DutchAnalyzer</a>: |
| <ul><li> As of 3.6, <a class="xref" href="Lucene.Net.Analysis.Nl.DutchAnalyzer.html#Lucene_Net_Analysis_Nl_DutchAnalyzer__ctor_Lucene_Net_Util_LuceneVersion_Lucene_Net_Analysis_Util_CharArraySet_">DutchAnalyzer(LuceneVersion, CharArraySet)</a> and |
| <a class="xref" href="Lucene.Net.Analysis.Nl.DutchAnalyzer.html#Lucene_Net_Analysis_Nl_DutchAnalyzer__ctor_Lucene_Net_Util_LuceneVersion_Lucene_Net_Analysis_Util_CharArraySet_Lucene_Net_Analysis_Util_CharArraySet_">DutchAnalyzer(LuceneVersion, CharArraySet, CharArraySet)</a> also populate |
| the default entries for the stem override dictionary</li><li> As of 3.1, Snowball stemming is done with SnowballFilter, |
| LowerCaseFilter is used prior to StopFilter, and Snowball |
| stopwords are used by default.</li><li> As of 2.9, StopFilter preserves position |
| increments</li></ul> |
| |
| </p> |
| <p><strong>NOTE</strong>: This class uses the same <a class="xref" href="../Lucene.Net/Lucene.Net.Util.LuceneVersion.html">LuceneVersion</a> |
| dependent settings as <a class="xref" href="Lucene.Net.Analysis.Standard.StandardAnalyzer.html">StandardAnalyzer</a>.</p> |
| </section> |
| <h4><a class="xref" href="Lucene.Net.Analysis.Nl.DutchStemFilter.html">DutchStemFilter</a></h4> |
| <section><p>A <a class="xref" href="../Lucene.Net/Lucene.Net.Analysis.TokenFilter.html">TokenFilter</a> that stems Dutch words. |
| <p> |
| It supports a table of words that should |
| not be stemmed at all. The stemmer used can be changed at runtime after the |
| filter object is created (as long as it is a <a class="xref" href="Lucene.Net.Analysis.Nl.DutchStemmer.html">DutchStemmer</a>). |
| </p> |
| <p> |
| To prevent terms from being stemmed use an instance of |
| <a class="xref" href="Lucene.Net.Analysis.Miscellaneous.KeywordMarkerFilter.html">KeywordMarkerFilter</a> or a custom <a class="xref" href="../Lucene.Net/Lucene.Net.Analysis.TokenFilter.html">TokenFilter</a> that sets |
| the <a class="xref" href="../Lucene.Net/Lucene.Net.Analysis.TokenAttributes.KeywordAttribute.html">KeywordAttribute</a> before this <a class="xref" href="../Lucene.Net/Lucene.Net.Analysis.TokenStream.html">TokenStream</a>. |
| </p> </p> |
| </section> |
| <h4><a class="xref" href="Lucene.Net.Analysis.Nl.DutchStemmer.html">DutchStemmer</a></h4> |
| <section><p>A stemmer for Dutch words. |
| <p> |
| The algorithm is an implementation of |
| the <a href="http://snowball.tartarus.org/algorithms/dutch/stemmer.html">dutch stemming</a> |
| algorithm in Martin Porter's snowball project. |
| </p> </p> |
| </section> |
| </article> |
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