leila.patterns
Class Linkage

java.lang.Object
  leila.patterns.Linkage

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

LinearLinkage

public class Linkage
extends java.lang.Object
implements java.io.Serializable

This class is part of LEILA (http://mpii.de/yago-naga/leila). It is licensed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0) by the author Fabian M. Suchanek (http://suchanek.name).

Linkage.java represents a sentence with its links. A linkage is constructed from an LGO-file (Link Grammar Output).

See Also:

Serialized Form

Field Summary

protected java.util.List<LinkageWord>	EMPTYLINKAGEWORDS Empty sentence list
int	id Identifies the sequence of words
java.util.List<LinkageWord>	linkageWords words of the sentence in sentence order
protected static int	oldSentence Contains last sentence to determine whether to call newDocument

Constructor Summary

protected	Linkage() For subclasses
	Linkage(java.util.List<java.lang.String> lines, Document doc) Constructs a linkage from a list of lines like

Method Summary

protected java.util.List<Link>	find(LinkageWord w, LinkageWord w2, Link.Direction d) Performs a depth-first search to find a bridge from one basis word to another
int	hashCode() Returns a hashCode (Positive for normal Linkages)
protected LinkagePattern	linkagePattern(LinkageWord w, LinkageWord w2, Link.Direction d) Returns a LinkagePattern for a pair of basis words, seeks only in one direction
java.util.List<LinkagePattern>	linkagePatterns(Relation r) Returns a list of LinkagePatterns for all pairs of interesting words judged as EXAMPLEs by the relation
java.lang.String	toString() Returns a String representation (for debugging)

Methods inherited from class java.lang.Object

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

Field Detail

oldSentence

protected static int oldSentence

Contains last sentence to determine whether to call newDocument

linkageWords

public java.util.List<LinkageWord> linkageWords

words of the sentence in sentence order

EMPTYLINKAGEWORDS

protected java.util.List<LinkageWord> EMPTYLINKAGEWORDS

Empty sentence list

id

public int id

Identifies the sequence of words

Constructor Detail

Linkage

public Linkage(java.util.List<java.lang.String> lines,
               Document doc)

Constructs a linkage from a list of lines like

        +---------------------Xp---------------------+
        |           +-------Ss------+                |
        +-----Wd----+----Bs---+     |                |
        |      +-Ds-+-Rn-+Sp*i+     +---Pv--+--Os-+  |
        |      |    |    |    |     |       |     |  |
    LEFT-WALL the man.n I.p saw.v was.v called.v Bob .

Linkage

protected Linkage()

For subclasses

Method Detail

linkagePatterns

public java.util.List<LinkagePattern> linkagePatterns(Relation r)

Returns a list of LinkagePatterns for all pairs of interesting words judged as EXAMPLEs by the relation

linkagePattern

protected LinkagePattern linkagePattern(LinkageWord w,
                                        LinkageWord w2,
                                        Link.Direction d)

Returns a LinkagePattern for a pair of basis words, seeks only in one direction

find

protected java.util.List<Link> find(LinkageWord w,
                                    LinkageWord w2,
                                    Link.Direction d)

Performs a depth-first search to find a bridge from one basis word to another

toString

public java.lang.String toString()

Returns a String representation (for debugging)

Overrides:

toString in class java.lang.Object

hashCode

public int hashCode()

Returns a hashCode (Positive for normal Linkages)

Overrides:

hashCode in class java.lang.Object