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| <h1 id="Lucene_Net_Analysis_Fr" data-uid="Lucene.Net.Analysis.Fr" class="text-break">Namespace Lucene.Net.Analysis.Fr |
| </h1> |
| <div class="markdown level0 summary"><!-- |
| Licensed to the Apache Software Foundation (ASF) under one or more |
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| <p>Analyzer for French.</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.Fr.FrenchAnalyzer.html">FrenchAnalyzer</a></h4> |
| <section><p><span class="xref">Lucene.Net.Analysis.Analyzer</span> for French language. |
| <p> |
| Supports an external list of stopwords (words that |
| will not be indexed at all) and an external list of exclusions (word that will |
| not be stemmed, but indexed). |
| A default set of stopwords is used unless an alternative list is specified, but the |
| exclusion list is empty by default. |
| </p> |
| <p>You must specify the required <span class="xref">Lucene.Net.Util.LuceneVersion</span> |
| compatibility when creating FrenchAnalyzer: |
| <ul><li> As of 3.6, <a class="xref" href="Lucene.Net.Analysis.Fr.FrenchLightStemFilter.html">FrenchLightStemFilter</a> is used for less aggressive stemming.</li><li> As of 3.1, Snowball stemming is done with <a class="xref" href="Lucene.Net.Analysis.Snowball.SnowballFilter.html">SnowballFilter</a>, |
| <a class="xref" href="Lucene.Net.Analysis.Core.LowerCaseFilter.html">LowerCaseFilter</a> is used prior to <a class="xref" href="Lucene.Net.Analysis.Core.StopFilter.html">StopFilter</a>, and <a class="xref" href="Lucene.Net.Analysis.Util.ElisionFilter.html">ElisionFilter</a> and |
| Snowball stopwords are used by default.</li><li> As of 2.9, <a class="xref" href="Lucene.Net.Analysis.Core.StopFilter.html">StopFilter</a> preserves position |
| increments</li></ul></p> |
| <p> |
| <p><strong>NOTE</strong>: This class uses the same <span class="xref">Lucene.Net.Util.LuceneVersion</span> |
| dependent settings as <a class="xref" href="Lucene.Net.Analysis.Standard.StandardAnalyzer.html">StandardAnalyzer</a>.</p></p> |
| </section> |
| <h4><a class="xref" href="Lucene.Net.Analysis.Fr.FrenchLightStemFilter.html">FrenchLightStemFilter</a></h4> |
| <section><p>A <span class="xref">Lucene.Net.Analysis.TokenFilter</span> that applies <a class="xref" href="Lucene.Net.Analysis.Fr.FrenchLightStemmer.html">FrenchLightStemmer</a> to stem French |
| words. |
| <p> |
| To prevent terms from being stemmed use an instance of |
| <a class="xref" href="Lucene.Net.Analysis.Miscellaneous.SetKeywordMarkerFilter.html">SetKeywordMarkerFilter</a> or a custom <span class="xref">Lucene.Net.Analysis.TokenFilter</span> that sets |
| the <a class="xref" href="http://localhost:8080/api/core/Lucene.Net.Analysis.TokenAttributes.KeywordAttribute.html">KeywordAttribute</a> before this <span class="xref">Lucene.Net.Analysis.TokenStream</span>. |
| </p></p> |
| </section> |
| <h4><a class="xref" href="Lucene.Net.Analysis.Fr.FrenchLightStemFilterFactory.html">FrenchLightStemFilterFactory</a></h4> |
| <section><p>Factory for <a class="xref" href="Lucene.Net.Analysis.Fr.FrenchLightStemFilter.html">FrenchLightStemFilter</a>.</p> |
| <pre><code><fieldType name="text_frlgtstem" class="solr.TextField" positionIncrementGap="100"> |
| <analyzer> |
| <tokenizer class="solr.StandardTokenizerFactory"/> |
| <filter class="solr.LowerCaseFilterFactory"/> |
| <filter class="solr.ElisionFilterFactory"/> |
| <filter class="solr.FrenchLightStemFilterFactory"/> |
| </analyzer> |
| </fieldType></code></pre> |
| </section> |
| <h4><a class="xref" href="Lucene.Net.Analysis.Fr.FrenchLightStemmer.html">FrenchLightStemmer</a></h4> |
| <section><p>Light Stemmer for French. |
| <p> |
| This stemmer implements the "UniNE" algorithm in: |
| <code>Light Stemming Approaches for the French, Portuguese, German and Hungarian Languages</code> |
| Jacques Savoy |
| </p></p> |
| </section> |
| <h4><a class="xref" href="Lucene.Net.Analysis.Fr.FrenchMinimalStemFilter.html">FrenchMinimalStemFilter</a></h4> |
| <section><p>A <span class="xref">Lucene.Net.Analysis.TokenFilter</span> that applies <a class="xref" href="Lucene.Net.Analysis.Fr.FrenchMinimalStemmer.html">FrenchMinimalStemmer</a> to stem French |
| words. |
| <p> |
| To prevent terms from being stemmed use an instance of |
| <a class="xref" href="Lucene.Net.Analysis.Miscellaneous.SetKeywordMarkerFilter.html">SetKeywordMarkerFilter</a> or a custom <span class="xref">Lucene.Net.Analysis.TokenFilter</span> that sets |
| the <a class="xref" href="http://localhost:8080/api/core/Lucene.Net.Analysis.TokenAttributes.KeywordAttribute.html">KeywordAttribute</a> before this <span class="xref">Lucene.Net.Analysis.TokenStream</span>. |
| </p></p> |
| </section> |
| <h4><a class="xref" href="Lucene.Net.Analysis.Fr.FrenchMinimalStemFilterFactory.html">FrenchMinimalStemFilterFactory</a></h4> |
| <section><p>Factory for <a class="xref" href="Lucene.Net.Analysis.Fr.FrenchMinimalStemFilter.html">FrenchMinimalStemFilter</a>.</p> |
| <pre><code><fieldType name="text_frminstem" class="solr.TextField" positionIncrementGap="100"> |
| <analyzer> |
| <tokenizer class="solr.StandardTokenizerFactory"/> |
| <filter class="solr.LowerCaseFilterFactory"/> |
| <filter class="solr.ElisionFilterFactory"/> |
| <filter class="solr.FrenchMinimalStemFilterFactory"/> |
| </analyzer> |
| </fieldType></code></pre> |
| </section> |
| <h4><a class="xref" href="Lucene.Net.Analysis.Fr.FrenchMinimalStemmer.html">FrenchMinimalStemmer</a></h4> |
| <section><p>Light Stemmer for French. |
| <p> |
| This stemmer implements the following algorithm: |
| <code>A Stemming procedure and stopword list for general French corpora.</code> |
| Jacques Savoy. |
| </p></p> |
| </section> |
| <h4><a class="xref" href="Lucene.Net.Analysis.Fr.FrenchStemFilter.html">FrenchStemFilter</a></h4> |
| <section><p>A <span class="xref">Lucene.Net.Analysis.TokenFilter</span> that stems french words. |
| <p> |
| The used stemmer can be changed at runtime after the |
| filter object is created (as long as it is a <a class="xref" href="Lucene.Net.Analysis.Fr.FrenchStemmer.html">FrenchStemmer</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 <span class="xref">Lucene.Net.Analysis.TokenFilter</span> that sets |
| the <a class="xref" href="http://localhost:8080/api/core/Lucene.Net.Analysis.TokenAttributes.KeywordAttribute.html">KeywordAttribute</a> before this <span class="xref">Lucene.Net.Analysis.TokenStream</span>. |
| </p> </p> |
| </section> |
| <h4><a class="xref" href="Lucene.Net.Analysis.Fr.FrenchStemmer.html">FrenchStemmer</a></h4> |
| <section><p>A stemmer for French words. |
| <p> |
| The algorithm is based on the work of |
| Dr Martin Porter on his snowball project<p> |
| refer to <a href="http://snowball.sourceforge.net/french/stemmer.html">http://snowball.sourceforge.net/french/stemmer.html</a> |
| (French stemming algorithm) for details</p> |
| </section> |
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