dragon.nlp.extract
Class AbstractDualConceptExtractor

java.lang.Object
  |
  +--dragon.nlp.extract.AbstractDualConceptExtractor

All Implemented Interfaces:

DualConceptExtractor

public abstract class AbstractDualConceptExtractor

extends java.lang.Object

implements DualConceptExtractor

Dual concept extractor for dual indexing

Copyright: Copyright (c) 2005

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

Field Summary

protected java.util.ArrayList	firstConceptList
protected DocumentParser	parser
protected java.util.ArrayList	secondConceptList

Constructor Summary

AbstractDualConceptExtractor()

Method Summary

boolean	extractFromDoc(Article article) Extracts concepts from a semi-structured article
boolean	extractFromDoc(java.lang.String doc) Extracts concepts from a raw document
protected java.lang.String	getArticleContent(Article article)
DocumentParser	getDocumentParser() Gets document parser.
java.util.ArrayList	getFirstConceptList() Gets the first set of concepts extracted before
java.util.ArrayList	getSecondConceptList() Gets the second set of concepts extracted before
void	initDocExtraction() It is required to call this method before one calls extractFromDoc method.
boolean	isExtractionMerged()
void	setDocumentParser(DocumentParser parser) Sets the document parser for the concept extractor.
boolean	supportConceptEntry() Tests if the extracted concept has an entry ID.
boolean	supportConceptName() Tests if the extracted concept has a name.

Methods inherited from class java.lang.Object

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

Methods inherited from interface dragon.nlp.extract.DualConceptExtractor

extractFromDoc, extractFromSentence

Field Detail

firstConceptList

protected java.util.ArrayList firstConceptList

secondConceptList

protected java.util.ArrayList secondConceptList

parser

protected DocumentParser parser

Constructor Detail

AbstractDualConceptExtractor

public AbstractDualConceptExtractor()

Method Detail

extractFromDoc

public boolean extractFromDoc(Article article)

Description copied from interface: DualConceptExtractor

Extracts concepts from a semi-structured article

Specified by:

extractFromDoc in interface DualConceptExtractor

Parameters:

article - a semi-structured article for extraction

Returns:

true if extracted successfully

extractFromDoc

public boolean extractFromDoc(java.lang.String doc)

Description copied from interface: DualConceptExtractor

Extracts concepts from a raw document

Specified by:

extractFromDoc in interface DualConceptExtractor

Parameters:

doc - a raw document for extraction

Returns:

true if extracted successfully

getFirstConceptList

public java.util.ArrayList getFirstConceptList()

Description copied from interface: DualConceptExtractor

Gets the first set of concepts extracted before

Specified by:

getFirstConceptList in interface DualConceptExtractor

Returns:

the first set of concepts extracted before

getSecondConceptList

public java.util.ArrayList getSecondConceptList()

Description copied from interface: DualConceptExtractor

Gets the second set of concepts extracted before

Specified by:

getSecondConceptList in interface DualConceptExtractor

Returns:

the second set of concepts extracted before

isExtractionMerged

public boolean isExtractionMerged()

supportConceptName

public boolean supportConceptName()

Description copied from interface: DualConceptExtractor

Tests if the extracted concept has a name.

Specified by:

supportConceptName in interface DualConceptExtractor

Returns:

true or false

supportConceptEntry

public boolean supportConceptEntry()

Description copied from interface: DualConceptExtractor

Tests if the extracted concept has an entry ID.

Specified by:

supportConceptEntry in interface DualConceptExtractor

Returns:

true or false

initDocExtraction

public void initDocExtraction()

Description copied from interface: DualConceptExtractor

It is required to call this method before one calls extractFromDoc method.

Specified by:

initDocExtraction in interface DualConceptExtractor

getArticleContent

protected java.lang.String getArticleContent(Article article)

getDocumentParser

public DocumentParser getDocumentParser()

Description copied from interface: DualConceptExtractor

Gets document parser.

Specified by:

getDocumentParser in interface DualConceptExtractor

Returns:

the document parser.

setDocumentParser

public void setDocumentParser(DocumentParser parser)

Description copied from interface: DualConceptExtractor

Sets the document parser for the concept extractor.

Specified by:

setDocumentParser in interface DualConceptExtractor

Parameters:

parser - document parser