smile.taxonomy

Class Taxonomy

java.lang.Object

smile.taxonomy.Taxonomy

public class Taxonomy
extends java.lang.Object

A taxonomy is a tree of terms (aka concept) where leaves must be named but intermediary nodes can be anonymous.

Constructor Summary

Constructors

Constructor and Description
Taxonomy() Constructor.
Taxonomy(java.lang.String rootConcept) Constructor.

Method Summary

Modifier and Type	Method and Description
Concept	getConcept(java.lang.String keyword) Returns a concept node which synset contains the keyword.
java.util.List<java.lang.String>	getConcepts() Returns all named concepts from this taxonomy
Concept	getRoot() Returns the root node of taxonomy tree.
Concept	lowestCommonAncestor(Concept v, Concept w) Returns the lowest common ancestor (LCA) of concepts v and w.
Concept	lowestCommonAncestor(java.lang.String v, java.lang.String w) Returns the lowest common ancestor (LCA) of concepts v and w.

Methods inherited from class java.lang.Object

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

Constructor Detail

Taxonomy

public Taxonomy()

Constructor.

Taxonomy

public Taxonomy(java.lang.String rootConcept)

Constructor.

Parameters:

rootConcept - the keyword of root concept.

Method Detail

getRoot

public Concept getRoot()

Returns the root node of taxonomy tree.

Returns:

root node.

getConcept

public Concept getConcept(java.lang.String keyword)

Returns a concept node which synset contains the keyword.

getConcepts

public java.util.List<java.lang.String> getConcepts()

Returns all named concepts from this taxonomy

lowestCommonAncestor

public Concept lowestCommonAncestor(java.lang.String v,
                                    java.lang.String w)

Returns the lowest common ancestor (LCA) of concepts v and w. The lowest common ancestor is defined between two nodes v and w as the lowest node that has both v and w as descendants (where we allow a node to be a descendant of itself).

lowestCommonAncestor

public Concept lowestCommonAncestor(Concept v,
                                    Concept w)

Returns the lowest common ancestor (LCA) of concepts v and w. The lowest common ancestor is defined between two nodes v and w as the lowest node that has both v and w as descendants (where we allow a node to be a descendant of itself).