edu.nyu.jet.aceJet

Class NameSubtyper

java.lang.Object

edu.nyu.jet.aceJet.NameSubtyper

public class NameSubtyper
extends Object

methods to determine the ACE subclass of a name. Uses a maximum entropy model where the features are the tokens of the name.

Constructor Summary

Constructors

Constructor and Description
NameSubtyper()

Method Summary

Methods

Modifier and Type	Method and Description
static String	classify(String name, String type) return the most likely subclass of name name, of EDT type type.
static void	createModel()
static void	load() load the maxent model from the file specified as Jet paramter Ace.NameSubtypeModel.fileName.
static void	load(String modelFileName) load the maxent model from file modelFileName.
static void	main(String[] args) train a subclass model from the ACE training data.
static void	store(String modelFileName)

Methods inherited from class java.lang.Object

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

Constructor Detail

NameSubtyper

public NameSubtyper()

Method Detail

main

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

train a subclass model from the ACE training data. Takes 2n+3 arguments:

• year: 2004 or 2005 -- determines format of APF file
• feature-file: intermediate file for MAXENT features
• model-file: MAXENT model file
• apf-Directory-1: directory containing APF files
• fileList-1: file with list of document names
• apf-Directory-2:
• fileList-2:
• ...

Throws:

IOException

createModel

public static void createModel()

store

public static void store(String modelFileName)

load

public static void load()

load the maxent model from the file specified as Jet paramter Ace.NameSubtypeModel.fileName.

load

public static void load(String modelFileName)

load the maxent model from file modelFileName.

classify

public static String classify(String name,
              String type)

return the most likely subclass of name name, of EDT type type.