| Interface | Description | 
|---|---|
| MutableTagDictionary | Interface that allows  TagDictionaryentries to be added and removed. | 
| POSContextGenerator | The interface for a context generator for the POS Tagger. | 
| POSTagger | The interface for part of speech taggers. | 
| POSTaggerEvaluationMonitor | |
| TagDictionary | Interface to determine which tags are valid for a particular word
 based on a tag dictionary. | 
| Class | Description | 
|---|---|
| ConfigurablePOSContextGenerator | A context generator for the POS Tagger. | 
| DefaultPOSContextGenerator | A context generator for the POS Tagger. | 
| DefaultPOSSequenceValidator | |
| POSDictionary | Provides a means of determining which tags are valid for a particular word
 based on a tag dictionary read from a file. | 
| POSEvaluator | The  POSEvaluatormeasures the performance of
 the givenPOSTaggerwith the provided referencePOSSamples. | 
| POSModel | |
| POSSample | Represents an pos-tagged sentence. | 
| POSSampleEventStream | |
| POSSampleSequenceStream | |
| POSTaggerCrossValidator | |
| POSTaggerFactory | The factory that provides POS Tagger default implementations and resources | 
| POSTaggerFactory.POSDictionarySerializer | |
| POSTaggerME | A part-of-speech tagger that uses maximum entropy. | 
| WordTagSampleStream | A stream filter which reads a sentence per line which contains
 words and tags in word_tag format and outputs a  POSSampleobjects. | 
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