edu.nyu.jet.chunk

Class MENameTagger

java.lang.Object

edu.nyu.jet.chunk.MENameTagger

All Implemented Interfaces:

NameTagger

public class MENameTagger
extends Object
implements NameTagger

a Named Entity tagger based on a maximum entropy token classifier.

Field Summary

Fields

Modifier and Type	Field and Description
MaxEntNE	mene

Constructor Summary

Constructors

Constructor and Description
MENameTagger() creates a new MENameTagger.

Method Summary

Methods

Modifier and Type	Method and Description
void	initialize(String tagTableFile, String featureFile) initialize the tagger for training by loading from file tagTableFile the list of valid annotations.
void	load(String fileName) load the data associated with this tagger from file 'fileName'.
static void	main(String[] args)
void	newDocument()
void	store(String fileName) store the data associated with this tagger to file 'fileName'.
void	tag(Document doc, Span span) tag span 'span' of Document 'doc' with Named Entity annotations.
void	tagDocument(Document doc) tag document doc for named entities.
void	train(ExternalDocument doc)
void	train(String trainingCollection) train the tagger using the collection of Documents 'trainingCollection'.
void	train(String directory, String fileList)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

mene

public MaxEntNE mene

Constructor Detail

MENameTagger

public MENameTagger()

creates a new MENameTagger.

Method Detail

initialize

public void initialize(String tagTableFile,
              String featureFile)

initialize the tagger for training by loading from file tagTableFile the list of valid annotations.

train

public void train(String trainingCollection)
           throws IOException

train the tagger using the collection of Documents 'trainingCollection'. The documents should have a TEXT zone marked; training is done on all sentences within this zone.

Throws:

IOException

train

public void train(ExternalDocument doc)

train

public void train(String directory,
         String fileList)
           throws IOException

Throws:

IOException

store

public void store(String fileName)
           throws IOException

store the data associated with this tagger to file 'fileName'. This data consists of the tag tables (recording the different annotations which may be assigned by this tagger) and the data used by the max ent token classifier.

Throws:

IOException

load

public void load(String fileName)
          throws IOException

load the data associated with this tagger from file 'fileName'.

Specified by:

load in interface NameTagger

Throws:

IOException

tagDocument

public void tagDocument(Document doc)

tag document doc for named entities.

Specified by:

tagDocument in interface NameTagger

newDocument

public void newDocument()

Specified by:

newDocument in interface NameTagger

tag

public void tag(Document doc,
       Span span)

tag span 'span' of Document 'doc' with Named Entity annotations.

Specified by:

tag in interface NameTagger

main

public static void main(String[] args)
                 throws IOException

Throws:

IOException