edu.columbia.cs.cg.pattern.prdualrank
Class SimpleAttributeExtractionPattern<E extends Entity,D extends TokenizedDocument>

java.lang.Object
  edu.columbia.cs.ref.model.pattern.Pattern<Entity,TokenizedDocument>
      edu.columbia.cs.cg.pattern.prdualrank.SimpleAttributeExtractionPattern<E,D>

Type Parameters:

E - the element type

D - the generic type

public class SimpleAttributeExtractionPattern<E extends Entity,D extends TokenizedDocument>
extends Pattern<Entity,TokenizedDocument>

The Class SimpleAttributeExtractionPattern represents a pattern that can be used for Role Extraction.

A SimpleAttributeExtractionPattern is composed by a set of entity types that can match the pattern, a list of words before the entity, a list of words after the entity and finally the role to be assigned to the extracted entity

Since:

2011-09-27

Version:

0.1

Author:

Pablo Barrio, Goncalo Simoes

Constructor Summary

SimpleAttributeExtractionPattern(java.lang.String role, java.util.Set<java.lang.String> entityTypes, java.lang.String[] before, java.lang.String[] after)
Instantiates a new simple attribute extraction pattern.

Method Summary

boolean	equals(java.lang.Object obj)
java.util.List<Entity>	findMatch(TokenizedDocument d) Abstract method that finds all matches in the input document

Methods inherited from class edu.columbia.cs.ref.model.pattern.Pattern

hashCode, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

SimpleAttributeExtractionPattern

public SimpleAttributeExtractionPattern(java.lang.String role,
                                        java.util.Set<java.lang.String> entityTypes,
                                        java.lang.String[] before,
                                        java.lang.String[] after)

Instantiates a new simple attribute extraction pattern.

Parameters:

role - the role to be assigned to the extracted entity

entityTypes - a set of entity types that can match the pattern

before - the array of words before the entity

after - the array of words after the entity

Method Detail

findMatch

public java.util.List<Entity> findMatch(TokenizedDocument d)

Description copied from class: Pattern

Abstract method that finds all matches in the input document

Specified by:

findMatch in class Pattern<Entity,TokenizedDocument>

Parameters:

d - the document where we are looking for the matches

Returns:

the matched objects in document d

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class Pattern<Entity,TokenizedDocument>