edu.nyu.jet.aceJet

Class NewEventTagger

java.lang.Object

edu.nyu.jet.aceJet.NewEventTagger

public class NewEventTagger
extends Object

assigns ACE events to a Document, given the entities, times, and values.

This tagger is based entirely on a set of four classifier models,

• eventModel to decide whether an instance of an anchor is an event trigger
• argModel to decide whether a mention is an argument of an event
• roleModel to decide which role the mention should have
• corefModel to decide when to merge eventMentions

Method Summary

Methods

Modifier and Type	Method and Description
void	collectAnchorsFromDocument(Document doc, AceDocument aceDoc, String docPath) collects the anchors (triggers) from an annotated document.
void	eventCoref(AceDocument aceDoc, Document doc, SyntacticRelationSet relations) performs coreference on the events in an Ace document.
void	loadAnchorSet()
void	loadModels()
static void	main(String[] args)
void	tag(Document doc, AceDocument aceDoc, String currentDocPath, String docId) identify ACE events in Document 'doc' and add them to 'aceDoc'.
void	tag(String fileList) tags all the documents in fileList with events.
void	train(String[] fileLists) trains the event models on the documents in the list of file lists, fileLists.
void	trainOnDocument(Document doc, AceDocument aceDoc, String docPath) trains the four statistical models on an annotated document.
void	trainOnFilelist(String fileList, int pass) trains an event tagger from a set of text and APF files.

Methods inherited from class java.lang.Object

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

Method Detail

main

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

Throws:

IOException

train

public void train(String[] fileLists)
           throws IOException

trains the event models on the documents in the list of file lists, fileLists.

Throws:

IOException

trainOnFilelist

public void trainOnFilelist(String fileList,
                   int pass)
                     throws IOException

trains an event tagger from a set of text and APF files.

Parameters:

fileList - a list of text file names, one per line. The APF file names are obtained by replacing 'sgm' by 'apf.xml'.

pass - =1 to collect anchors, =2 to build classifier models

Throws:

IOException

collectAnchorsFromDocument

public void collectAnchorsFromDocument(Document doc,
                              AceDocument aceDoc,
                              String docPath)

collects the anchors (triggers) from an annotated document.

trainOnDocument

public void trainOnDocument(Document doc,
                   AceDocument aceDoc,
                   String docPath)

trains the four statistical models on an annotated document.

loadModels

public void loadModels()

loadAnchorSet

public void loadAnchorSet()

tag

public void tag(String fileList)
         throws IOException

tags all the documents in fileList with events.

Throws:

IOException

tag

public void tag(Document doc,
       AceDocument aceDoc,
       String currentDocPath,
       String docId)

identify ACE events in Document 'doc' and add them to 'aceDoc'.

eventCoref

public void eventCoref(AceDocument aceDoc,
              Document doc,
              SyntacticRelationSet relations)

performs coreference on the events in an Ace document. On entry, the AceDocument aceDoc should have a set of events each with a single mention. The event mentions which are believed to corefer are combined into a single event.