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<h1 title="Package opennlp.tools.postag" class="title">Package opennlp.tools.postag</h1>
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<div class="package-signature">package <span class="element-name">opennlp.tools.postag</span></div>
<section class="package-description" id="package-description">
<div class="block">Package related to part-of-speech tagging.</div>
</section>
<section class="summary">
<ul class="summary-list">
<li>
<div id="class-summary">
<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="class-summary-tab0" role="tab" aria-selected="true" aria-controls="class-summary.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('class-summary', 'class-summary', 2)" class="active-table-tab">All Classes and Interfaces</button><button id="class-summary-tab1" role="tab" aria-selected="false" aria-controls="class-summary.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('class-summary', 'class-summary-tab1', 2)" class="table-tab">Interfaces</button><button id="class-summary-tab2" role="tab" aria-selected="false" aria-controls="class-summary.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('class-summary', 'class-summary-tab2', 2)" class="table-tab">Classes</button></div>
<div id="class-summary.tabpanel" role="tabpanel">
<div class="summary-table two-column-summary" aria-labelledby="class-summary-tab0">
<div class="table-header col-first">Class</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="ConfigurablePOSContextGenerator.html" title="class in opennlp.tools.postag">ConfigurablePOSContextGenerator</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">
<div class="block">A configurable <a href="POSContextGenerator.html" title="interface in opennlp.tools.postag"><code>context generator</code></a> for a <a href="POSTagger.html" title="interface in opennlp.tools.postag"><code>POSTagger</code></a>.</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="DefaultPOSContextGenerator.html" title="class in opennlp.tools.postag">DefaultPOSContextGenerator</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">
<div class="block">A default <a href="POSContextGenerator.html" title="interface in opennlp.tools.postag"><code>context generator</code></a> for a <a href="POSTagger.html" title="interface in opennlp.tools.postag"><code>POSTagger</code></a>.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="DefaultPOSSequenceValidator.html" title="class in opennlp.tools.postag">DefaultPOSSequenceValidator</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">
<div class="block">The default POS tagger <a href="../util/SequenceValidator.html" title="interface in opennlp.tools.util"><code>SequenceValidator</code></a> implementation.</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab1"><a href="MutableTagDictionary.html" title="interface in opennlp.tools.postag">MutableTagDictionary</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab1">
<div class="block">Interface that allows <a href="TagDictionary.html" title="interface in opennlp.tools.postag"><code>TagDictionary</code></a> entries to be added and removed.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab1"><a href="POSContextGenerator.html" title="interface in opennlp.tools.postag">POSContextGenerator</a></div>
<div class="col-last even-row-color class-summary class-summary-tab1">
<div class="block">Interface for a <a href="../util/BeamSearchContextGenerator.html" title="interface in opennlp.tools.util"><code>BeamSearchContextGenerator</code></a> used in POS tagging.</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="POSDictionary.html" title="class in opennlp.tools.postag">POSDictionary</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">
<div class="block">Provides a means of determining which tags are valid for a particular word
based on a <a href="TagDictionary.html" title="interface in opennlp.tools.postag"><code>TagDictionary</code></a> read from a file.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="POSEvaluator.html" title="class in opennlp.tools.postag">POSEvaluator</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">
<div class="block">The <a href="POSEvaluator.html" title="class in opennlp.tools.postag"><code>POSEvaluator</code></a> measures the performance of the given <a href="POSTagger.html" title="interface in opennlp.tools.postag"><code>POSTagger</code></a>
with the provided reference <a href="POSSample.html" title="class in opennlp.tools.postag"><code>samples</code></a>.</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="POSModel.html" title="class in opennlp.tools.postag">POSModel</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">
<div class="block">The <a href="POSModel.html" title="class in opennlp.tools.postag"><code>POSModel</code></a> is the model used by a learnable <a href="POSTagger.html" title="interface in opennlp.tools.postag"><code>POSTagger</code></a>.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="POSSample.html" title="class in opennlp.tools.postag">POSSample</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">
<div class="block">Represents an pos-tagged <a href="../commons/Sample.html" title="interface in opennlp.tools.commons"><code>sentence</code></a>.</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="POSSampleEventStream.html" title="class in opennlp.tools.postag">POSSampleEventStream</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">
<div class="block">Reads the <a href="POSSample.html" title="class in opennlp.tools.postag"><code>samples</code></a> from an <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Iterator.html" title="class or interface in java.util" class="external-link"><code>Iterator</code></a>
and converts those samples into <a href="../ml/model/Event.html" title="class in opennlp.tools.ml.model"><code>events</code></a> which
can be used by the maxent library for training.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="POSSampleSequenceStream.html" title="class in opennlp.tools.postag">POSSampleSequenceStream</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">
<div class="block">A <a href="../ml/model/SequenceStream.html" title="interface in opennlp.tools.ml.model"><code>SequenceStream</code></a> implementation encapsulating <a href="POSSample.html" title="class in opennlp.tools.postag"><code>samples</code></a>.</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab1"><a href="POSTagger.html" title="interface in opennlp.tools.postag">POSTagger</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab1">
<div class="block">The interface for part of speech taggers.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="POSTaggerCrossValidator.html" title="class in opennlp.tools.postag">POSTaggerCrossValidator</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first odd-row-color class-summary class-summary-tab1"><a href="POSTaggerEvaluationMonitor.html" title="interface in opennlp.tools.postag">POSTaggerEvaluationMonitor</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab1">
<div class="block">A marker interface for evaluating <a href="POSTagger.html" title="interface in opennlp.tools.postag"><code>pos taggers</code></a>.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="POSTaggerFactory.html" title="class in opennlp.tools.postag">POSTaggerFactory</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">
<div class="block">The factory that provides <a href="POSTagger.html" title="interface in opennlp.tools.postag"><code>POSTagger</code></a> default implementations and resources.</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab2"><a href="POSTaggerFactory.POSDictionarySerializer.html" title="class in opennlp.tools.postag">POSTaggerFactory.POSDictionarySerializer</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab2">&nbsp;</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="POSTaggerME.html" title="class in opennlp.tools.postag">POSTaggerME</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">
<div class="block">A <a href="POSTagger.html" title="interface in opennlp.tools.postag"><code>part-of-speech tagger</code></a> that uses maximum entropy.</div>
</div>
<div class="col-first odd-row-color class-summary class-summary-tab1"><a href="TagDictionary.html" title="interface in opennlp.tools.postag">TagDictionary</a></div>
<div class="col-last odd-row-color class-summary class-summary-tab1">
<div class="block">Interface to determine which tags are valid for a particular word
based on a tag dictionary.</div>
</div>
<div class="col-first even-row-color class-summary class-summary-tab2"><a href="WordTagSampleStream.html" title="class in opennlp.tools.postag">WordTagSampleStream</a></div>
<div class="col-last even-row-color class-summary class-summary-tab2">
<div class="block">A stream filter which reads a sentence per line which contains
words and tags in <code>word_tag</code> format and outputs a <a href="POSSample.html" title="class in opennlp.tools.postag"><code>POSSample</code></a> objects.</div>
</div>
</div>
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