smile.taxonomy

Class Concept

java.lang.Object

smile.taxonomy.Concept

public class Concept
extends Object

Concept is a set of synonyms, i.e. group of words that are roughly synonymous in a given context.

Author:

Haifeng Li

Constructor Summary

Constructors

Constructor and Description
Concept(Concept parent) Constructor.
Concept(Concept parent, List<String> keywords) Constructor.
Concept(Concept parent, String keyword) Constructor.
Concept(Concept parent, String[] keywords) Constructor.

Method Summary

Modifier and Type	Method and Description
void	addChild(Concept concept) Add a child to this node
Concept	addChild(String concept) Add a child to this node
void	addKeyword(String keyword) Add a keyword to the concept synset.
void	addKeywords(List<String> keywords) Add a list of synomym to the concept synset.
void	addKeywords(String[] keywords) Add a list of synomym to the concept synset.
List<Concept>	getChildren() Get all children concepts.
Set<String>	getKeywords() Returns the concept synonym set.
List<Concept>	getPathFromRoot() Returns the path from root to the given node.
List<Concept>	getPathToRoot() Returns the path from the given node to the root.
boolean	isAncestorOf(Concept concept) Returns true if this concept is an ancestor of the given concept.
boolean	isLeaf() Check if a node is a leaf in the taxonomy tree.
boolean	removeChild(Concept concept) Remove a child to this node
void	removeKeyword(String keyword) Remove a keyword from the concept synset.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Concept

public Concept(Concept parent)

Constructor. Create a concept with an empty set of synonyms.

Parameters:

parent - the parent concept

Concept

public Concept(Concept parent,
               String keyword)

Constructor.

Parameters:

keyword - a keyword of this concept

parent - the parent concept

Concept

public Concept(Concept parent,
               String[] keywords)

Constructor.

Parameters:

keywords - a list of keywords of this concept

parent - the parent concept

Concept

public Concept(Concept parent,
               List<String> keywords)

Constructor.

Parameters:

keywords - a list of keywords of this concept

parent - the parent concept

Method Detail

isLeaf

public boolean isLeaf()

Check if a node is a leaf in the taxonomy tree.

getKeywords

public Set<String> getKeywords()

Returns the concept synonym set.

Returns:

concept synomym set.

addKeyword

public void addKeyword(String keyword)

Add a keyword to the concept synset.

addKeywords

public void addKeywords(String[] keywords)

Add a list of synomym to the concept synset.

addKeywords

public void addKeywords(List<String> keywords)

Add a list of synomym to the concept synset.

removeKeyword

public void removeKeyword(String keyword)

Remove a keyword from the concept synset.

getChildren

public List<Concept> getChildren()

Get all children concepts.

Returns:

a vector of children concepts.

addChild

public Concept addChild(String concept)

Add a child to this node

addChild

public void addChild(Concept concept)

Add a child to this node

removeChild

public boolean removeChild(Concept concept)

Remove a child to this node

isAncestorOf

public boolean isAncestorOf(Concept concept)

Returns true if this concept is an ancestor of the given concept.

getPathFromRoot

public List<Concept> getPathFromRoot()

Returns the path from root to the given node.

getPathToRoot

public List<Concept> getPathToRoot()

Returns the path from the given node to the root.

toString

public String toString()

Overrides:

toString in class Object