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java.lang.Objectopennlp.tools.postag.POSTaggerME
public class POSTaggerME
A part-of-speech tagger that uses maximum entropy. Tries to predict whether words are nouns, verbs, or any of 70 other POS tags depending on their surrounding context.
| Field Summary | |
|---|---|
static int |
DEFAULT_BEAM_SIZE
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| Constructor Summary | |
|---|---|
POSTaggerME(AbstractModel model,
Dictionary dict)
Deprecated. |
|
POSTaggerME(AbstractModel model,
Dictionary dict,
TagDictionary tagdict)
Deprecated. |
|
POSTaggerME(AbstractModel model,
POSContextGenerator cg)
Deprecated. |
|
POSTaggerME(AbstractModel model,
POSContextGenerator cg,
TagDictionary tagdict)
Deprecated. |
|
POSTaggerME(AbstractModel model,
TagDictionary tagdict)
Deprecated. |
|
POSTaggerME(int beamSize,
AbstractModel model,
POSContextGenerator cg,
TagDictionary tagdict)
Deprecated. |
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POSTaggerME(POSModel model)
Initializes the current instance with the provided model and the default beam size of 3. |
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POSTaggerME(POSModel model,
int beamSize,
int cacheSize)
Initializes the current instance with the provided model and provided beam size. |
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| Method Summary | |
|---|---|
int |
getNumTags()
Returns the number of different tags predicted by this model. |
java.lang.String[] |
getOrderedTags(java.util.List<java.lang.String> words,
java.util.List<java.lang.String> tags,
int index)
|
java.lang.String[] |
getOrderedTags(java.util.List<java.lang.String> words,
java.util.List<java.lang.String> tags,
int index,
double[] tprobs)
|
double[] |
probs()
Returns an array with the probabilities for each tag of the last tagged sentence. |
void |
probs(double[] probs)
Populates the specified array with the probabilities for each tag of the last tagged sentence. |
java.lang.String[][] |
tag(int numTaggings,
java.lang.String[] sentence)
Returns at most the specified number of taggings for the specified sentence. |
java.util.List<java.lang.String> |
tag(java.util.List<java.lang.String> sentence)
Deprecated. |
java.lang.String |
tag(java.lang.String sentence)
Deprecated. |
java.lang.String[] |
tag(java.lang.String[] sentence)
Assigns the sentence of tokens pos tags. |
Sequence[] |
topKSequences(java.util.List<java.lang.String> sentence)
Deprecated. |
Sequence[] |
topKSequences(java.lang.String[] sentence)
|
static POSModel |
train(java.lang.String languageCode,
ObjectStream<POSSample> samples,
ModelType modelType,
POSDictionary tagDictionary,
Dictionary ngramDictionary,
int cutoff,
int iterations)
|
| Methods inherited from class java.lang.Object |
|---|
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
public static final int DEFAULT_BEAM_SIZE
| Constructor Detail |
|---|
public POSTaggerME(POSModel model)
model -
public POSTaggerME(POSModel model,
int beamSize,
int cacheSize)
model - beamSize -
@Deprecated
public POSTaggerME(AbstractModel model,
TagDictionary tagdict)
model - The model used for tagging.tagdict - The tag dictionary used for specifying a set of valid tags.
@Deprecated
public POSTaggerME(AbstractModel model,
Dictionary dict)
model - The model used for tagging.dict - The n-gram dictionary used for feature generation.
@Deprecated
public POSTaggerME(AbstractModel model,
Dictionary dict,
TagDictionary tagdict)
model - The model used for tagging.dict - The n-gram dictionary used for feature generation.tagdict - The dictionary which specifies the valid set of tags for some words.
@Deprecated
public POSTaggerME(AbstractModel model,
POSContextGenerator cg)
model - The model used for tagging.cg - The context generator used for feature creation.
@Deprecated
public POSTaggerME(AbstractModel model,
POSContextGenerator cg,
TagDictionary tagdict)
model - The model used for tagging.cg - The context generator used for feature creation.tagdict - The dictionary which specifies the valid set of tags for some words.
@Deprecated
public POSTaggerME(int beamSize,
AbstractModel model,
POSContextGenerator cg,
TagDictionary tagdict)
beamSize - The number of alternate tagging considered when tagging.model - The model used for tagging.cg - The context generator used for feature creation.tagdict - The dictionary which specifies the valid set of tags for some words.| Method Detail |
|---|
public int getNumTags()
@Deprecated public java.util.List<java.lang.String> tag(java.util.List<java.lang.String> sentence)
POSTagger
tag in interface POSTaggersentence - The sentence of tokens to be tagged.
public java.lang.String[] tag(java.lang.String[] sentence)
POSTagger
tag in interface POSTaggersentence - The sentece of tokens to be tagged.
public java.lang.String[][] tag(int numTaggings,
java.lang.String[] sentence)
numTaggings - The number of tagging to be returned.sentence - An array of tokens which make up a sentence.
@Deprecated public Sequence[] topKSequences(java.util.List<java.lang.String> sentence)
topKSequences in interface POSTaggerpublic Sequence[] topKSequences(java.lang.String[] sentence)
topKSequences in interface POSTaggerpublic void probs(double[] probs)
probs - An array to put the probabilities into.public double[] probs()
@Deprecated public java.lang.String tag(java.lang.String sentence)
POSTagger
tag in interface POSTaggersentence - The sentece of space-delimited tokens to be tagged.
public java.lang.String[] getOrderedTags(java.util.List<java.lang.String> words,
java.util.List<java.lang.String> tags,
int index)
public java.lang.String[] getOrderedTags(java.util.List<java.lang.String> words,
java.util.List<java.lang.String> tags,
int index,
double[] tprobs)
public static POSModel train(java.lang.String languageCode,
ObjectStream<POSSample> samples,
ModelType modelType,
POSDictionary tagDictionary,
Dictionary ngramDictionary,
int cutoff,
int iterations)
throws java.io.IOException
java.io.IOException
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