opennlp.grok.expression
Class Relation

java.lang.Object
  |
  +--opennlp.grok.expression.CategoryAdapter
        |
        +--opennlp.grok.expression.LF
              |
              +--opennlp.grok.expression.Relation

All Implemented Interfaces:

opennlp.common.structure.Category, opennlp.common.synsem.Denoter, java.io.Serializable, opennlp.common.unify.Unifiable

public class Relation

extends LF

A Relation is a two argument logical form that may have special properties: reflexive, symetric, transitive.

These properties can cause special behavior for some operations. For instance, right now unification is special if the relation is symetric.

Version:

$Revision: 1.1.1.1 $, $Date: 2001/10/23 15:17:51 $

Author:

Gann Bierner

See Also:

Serialized Form

Fields inherited from class opennlp.grok.expression.LF

argList, infix, predicate, setop

Fields inherited from class opennlp.grok.expression.CategoryAdapter

F

Constructor Summary

Relation(java.lang.String pred, opennlp.common.synsem.Denoter d1, opennlp.common.synsem.Denoter d2)

Relation(java.lang.String pred, opennlp.common.synsem.Denoter d1, opennlp.common.synsem.Denoter d2, boolean r, boolean s, boolean t)

Relation(java.lang.String pred, opennlp.common.synsem.Denoter d1, opennlp.common.synsem.Denoter d2, java.lang.String s)

Method Summary

opennlp.common.structure.Category	copy()
opennlp.common.structure.Category	shallowCopy()
opennlp.common.unify.CategorySubstitution	unify(LF y, opennlp.common.unify.CategorySubstitution S)

Methods inherited from class opennlp.grok.expression.LF

abstractVar, arity, deepMap, desc, equals, eval, forall, getArg, getArgList, getDominanceHandler, getHashString, getPred, infixPrettyPrint, map, name, occurs, prettyPrint, setArg, setDominanceHandler, setEval, setEval, setPred, toString

Methods inherited from class opennlp.grok.expression.CategoryAdapter

copy, getFeature, getSpan, getSpanEnd, getSpanStart, hashString, makeString, prettyLength, prettyPrint, setFeature, setSpan, shallowEquals, showFeature, tooLong

Methods inherited from class java.lang.Object

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

Methods inherited from interface opennlp.common.structure.Category

getFeature, getSpan, getSpanEnd, getSpanStart, hashString, prettyPrint, setFeature, setSpan, shallowEquals

Constructor Detail

Relation

public Relation(java.lang.String pred,
                opennlp.common.synsem.Denoter d1,
                opennlp.common.synsem.Denoter d2,
                boolean r,
                boolean s,
                boolean t)

Relation

public Relation(java.lang.String pred,
                opennlp.common.synsem.Denoter d1,
                opennlp.common.synsem.Denoter d2,
                java.lang.String s)

Relation

public Relation(java.lang.String pred,
                opennlp.common.synsem.Denoter d1,
                opennlp.common.synsem.Denoter d2)

Method Detail

copy

public opennlp.common.structure.Category copy()

Overrides:

copy in class LF

shallowCopy

public opennlp.common.structure.Category shallowCopy()

Overrides:

shallowCopy in class LF

unify

public opennlp.common.unify.CategorySubstitution unify(LF y,
                                                       opennlp.common.unify.CategorySubstitution S)

Overrides:

unify in class LF