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<section id="overview">
<h2 class="section-title">Built-in Components Overview<a href="#"><i class="top-link fas fa-fw fa-angle-double-up"></i></a></h2>
<p>
Model <a href="apis/latest/org/apache/nlpcraft/NCPipeline.html">NCPipeline</a> contains
chain of components traits which are responsible for sentence processing.
Some built-in implementations of these traits are described below.
</p>
<p>There are two kinds of pipeline components:</p>
<ul>
<li>
Following pipeline components have built-in implementations and described in related sections:
<a href="apis/latest/org/apache/nlpcraft/NCTokenParser.html">NCTokenParser</a>,
<a href="apis/latest/org/apache/nlpcraft/NCTokenEnricher.html">NCTokenEnricher</a>,
<a href="apis/latest/org/apache/nlpcraft/NCEntityParser.html">NCEntityParser</a>.
</li>
<li>
Following pipeline components cannot have build implementation because their logic are depend on concrete user model:
<a href="apis/latest/org/apache/nlpcraft/NCTokenValidator.html">NCTokenValidator</a>,
<a href="apis/latest/org/apache/nlpcraft/NCEntityEnricher.html">NCEntityEnricher</a>,
<a href="apis/latest/org/apache/nlpcraft/NCEntityValidator.html">NCEntityValidator</a>,
<a href="apis/latest/org/apache/nlpcraft/NCEntityMapper.html">NCEntityMapper</a> and
<a href="apis/latest/org/apache/nlpcraft/NCVariantFilter.html">NCVariantFilter</a>.
</li>
</ul>
<div class="bq info">
<p><b>Built-in component licenses.</b></p>
<p>
All built-in components which are based on <a href="https://nlp.stanford.edu/">Stanford NLP</a> models and classes
are provided with <a href="http://www.gnu.org/licenses/gpl-2.0.html">GNU General Public License</a>.
Look at Stanford NLP <a href="https://nlp.stanford.edu/software/">Software</a> page.
All such components are placed in special project module <code>nlpcraft-stanford</code>.
All other components are proved with <a href="https://www.apache.org/licenses/LICENSE-2.0">Apache License Version 2.0</a> license.
</p>
</div>
</section>
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<li class="side-nav-title">On This Page</li>
<li><a href="#overview">Overview</a></li>
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</ul>
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