dragon.nlp.extract

Interface TripleExtractor

All Known Implementing Classes:

AbstractTripleExtractor, BasicTripleExtractor

public interface TripleExtractor

Interface of triple extractors

Copyright: Copyright (c) 2005

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

Method Summary

Modifier and Type	Method and Description
boolean	extractFromDoc(Document doc) Extracts triples from a parsed document.
boolean	extractFromDoc(String doc) Extracts triples from a raw document.
ArrayList	extractFromSentence(Sentence sent) Extracts triples from a sentence.
boolean	getClauseIdentifyOption() Gets the option of extracting triples within a clause window.
ConceptExtractor	getConceptExtractor() Gets the concept extractor used for triple extraction
ConceptFilter	getConceptFilter() Gets the concept filter used for this extractor.
ArrayList	getConceptList() Gets concept list
boolean	getCoordinatingCheckOption()
boolean	getCoReferenceOption()
boolean	getFilteringOption() Tests if the extractor applies concept filtering.
boolean	getRelationCheckOption() Gets the option of checking the existance of the relationship between two semantic types.
boolean	getSemanticCheckOption() Gets the option of checking the semantic type of the relationship
ArrayList	getTripleList() Gets triple list
void	initDocExtraction() It is required to call this method before calling the extractFromDoc method.
SortedArray	mergeTriples(SortedArray mergedConceptList, ArrayList tripleList) Merge duplicated triples.
void	print(PrintWriter out) Prints out extracted concepts and triples to the specified print writer.
void	print(PrintWriter out, ArrayList conceptList, ArrayList tripleList) Prints out the specified concepts and triples to the print writer.
void	setClauseIdentifyOption(boolean option) Sets the option of extracting triples within a clause window.
void	setConceptFilter(ConceptFilter cf) Sets the concept filter for the concept extatractor
void	setCoordinatingCheckOption(boolean option)
void	setCoReferenceOption(boolean option)
void	setFilteringOption(boolean option) Sets the option of concept filtering
void	setRelationCheckOption(boolean option) Sets the option of checking the existance of the relationship between two semantic types.
void	setSemanticCheckOption(boolean option) Sets the option of checking the semantic type of the relationship

Method Detail

initDocExtraction

void initDocExtraction()

It is required to call this method before calling the extractFromDoc method.

extractFromDoc

boolean extractFromDoc(String doc)

Extracts triples from a raw document.

Parameters:

doc - the raw document for extraction

Returns:

true if extracted successfully.

extractFromDoc

boolean extractFromDoc(Document doc)

Extracts triples from a parsed document.

Parameters:

doc - the parsed document for extraction

Returns:

true if extracted successfully.

extractFromSentence

ArrayList extractFromSentence(Sentence sent)

Extracts triples from a sentence.

Parameters:

sent - the sentence for extraction

Returns:

a list of extracted triples.

getConceptList

ArrayList getConceptList()

Gets concept list

Returns:

a list of concepts extracted before

getTripleList

ArrayList getTripleList()

Gets triple list

Returns:

a list of triples extracted before.

getConceptExtractor

ConceptExtractor getConceptExtractor()

Gets the concept extractor used for triple extraction

Returns:

the concept extractor

mergeTriples

SortedArray mergeTriples(SortedArray mergedConceptList,
                         ArrayList tripleList)

Merge duplicated triples.

Parameters:

mergedConceptList - a merged and sorted concept list

tripleList - a list of triples for merging

Returns:

a list of merged and sorted triples

getFilteringOption

boolean getFilteringOption()

Tests if the extractor applies concept filtering.

Returns:

true if the extractor applies concept filtering

setFilteringOption

void setFilteringOption(boolean option)

Sets the option of concept filtering

Parameters:

option - the option of concept filtering

setConceptFilter

void setConceptFilter(ConceptFilter cf)

Sets the concept filter for the concept extatractor

Parameters:

cf - the concept filter

getConceptFilter

ConceptFilter getConceptFilter()

Gets the concept filter used for this extractor.

Returns:

the concept filter used.

setCoordinatingCheckOption

void setCoordinatingCheckOption(boolean option)

getCoordinatingCheckOption

boolean getCoordinatingCheckOption()

setCoReferenceOption

void setCoReferenceOption(boolean option)

getCoReferenceOption

boolean getCoReferenceOption()

getSemanticCheckOption

boolean getSemanticCheckOption()

Gets the option of checking the semantic type of the relationship

Returns:

true if the extractor checks the semantic type of the relationship

setSemanticCheckOption

void setSemanticCheckOption(boolean option)

Sets the option of checking the semantic type of the relationship

Parameters:

option - the option of checking the semantic type of the relationship

getRelationCheckOption

boolean getRelationCheckOption()

Gets the option of checking the existance of the relationship between two semantic types.

Returns:

true if the extractor checks the existance of the relationship between two semantic types.

setRelationCheckOption

void setRelationCheckOption(boolean option)

Sets the option of checking the existance of the relationship between two semantic types.

Parameters:

option - the option of checking the existance of the relationship between two semantic types.

getClauseIdentifyOption

boolean getClauseIdentifyOption()

Gets the option of extracting triples within a clause window.

Returns:

true if the extractor extracts triples within a clause window.

setClauseIdentifyOption

void setClauseIdentifyOption(boolean option)

Sets the option of extracting triples within a clause window.

Parameters:

option - the option of extracting triples within a clause window.

print

void print(PrintWriter out)

Prints out extracted concepts and triples to the specified print writer.

Parameters:

out - the print writer

print

void print(PrintWriter out,
           ArrayList conceptList,
           ArrayList tripleList)

Prints out the specified concepts and triples to the print writer.

Parameters:

out - the print writer

conceptList - the concept list for print

tripleList - the triple list for print