kb

Class KnowledgeBase

Object

kb.KnowledgeBase

public class KnowledgeBase
extends Object

Implements a CG knowledge base consisting of a concept hierarchy, a relation hierarchy, and a marker set.

Author:

Harry S. Delugach

Field Summary

Fields

Modifier and Type	Field and Description
private TypeHierarchy	conceptHierarchy
private MarkerSet	markerSet
private String	name
private TypeHierarchy	relationHierarchy

Constructor Summary

Constructors

Constructor and Description
KnowledgeBase(String newname) Creates an "empty" knowledge base.

Method Summary

Modifier and Type	Method and Description
void	clear()
void	commit(Object go) Method to "add" an object to this KnowledgeBase.
TypeHierarchy	getConceptTypeHierarchy()
MarkerSet	getMarkerSet()
String	getName()
TypeHierarchy	getRelationTypeHierarchy()
protected void	init(String n)
void	setName(String name)
String	showConceptTypeHierarchy()
String	showRelationTypeHierarchy()
void	unCommit(Object go) Method to "delete" an object from this KnowledgeBase.

Methods inherited from class Object

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

Field Detail

name

private String name

conceptHierarchy

private TypeHierarchy conceptHierarchy

relationHierarchy

private TypeHierarchy relationHierarchy

markerSet

private MarkerSet markerSet

Constructor Detail

KnowledgeBase

public KnowledgeBase(String newname)

Creates an "empty" knowledge base. The concept hierarchy has top "T" and bottom "_t_". The relation hierarchy has top "link" and bottom "_t_". To change these, use methods from the TypeHierarchy.

See Also:

TypeHierarchy#setTop(kb.hierarchy.TypeHierarchyNode), TypeHierarchy#setBottom(kb.hierarchy.TypeHierarchyNode)

Method Detail

init

protected void init(String n)

showConceptTypeHierarchy

public String showConceptTypeHierarchy()

showRelationTypeHierarchy

public String showRelationTypeHierarchy()

getRelationTypeHierarchy

public TypeHierarchy getRelationTypeHierarchy()

getConceptTypeHierarchy

public TypeHierarchy getConceptTypeHierarchy()

getMarkerSet

public MarkerSet getMarkerSet()

getName

public String getName()

setName

public void setName(String name)

clear

public void clear()

commit

public void commit(Object go)
            throws KBException

Method to "add" an object to this KnowledgeBase. The semantics may vary depending on what kind of object it is. Currently only TypeLabel, RelationLabel, Concept and GenSpecLink are supported.

Parameters:

go -

Throws:

KBException

unCommit

public void unCommit(Object go)
              throws KBException

Method to "delete" an object from this KnowledgeBase. The semantics may vary depending on what kind of object it is. Currently only TypeLabel, RelationLabel Concept and GenSpecLink are supported.

Parameters:

go -

Throws:

KBException