info.ephyra.questionanalysis.atype.minorthird.hierarchical
Class HierarchicalClassifier

java.lang.Object
  info.ephyra.questionanalysis.atype.minorthird.hierarchical.HierarchicalClassifier

All Implemented Interfaces:

edu.cmu.minorthird.classify.Classifier, java.io.Serializable

public class HierarchicalClassifier
extends java.lang.Object
implements edu.cmu.minorthird.classify.Classifier, java.io.Serializable

A hierarchy of classifiers. At first, a top-level classifier is applied. Classifiers for subclasses are selected based on the outcome of previous classifications.

Version:

2008-02-10

Author:

Justin Betteridge

See Also:

Serialized Form

Field Summary

private java.util.HashMap	classifiers
private int	classLevels
private static long	serialVersionUID

Constructor Summary

HierarchicalClassifier(java.util.HashMap classifiers, int classLevels)

Method Summary

edu.cmu.minorthird.classify.ClassLabel	classification(edu.cmu.minorthird.classify.Instance instance)
java.lang.String	explain(edu.cmu.minorthird.classify.Instance instance)
edu.cmu.minorthird.classify.Explanation	getExplanation(edu.cmu.minorthird.classify.Instance instance)
static java.lang.String	getHierarchicalClassName(java.lang.String original, int levels, boolean useClassLevels)
private java.lang.String	getNewLabelName(java.lang.String currentClass, java.lang.String sublabel, int level)

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

classifiers

private java.util.HashMap classifiers

classLevels

private int classLevels

Constructor Detail

HierarchicalClassifier

public HierarchicalClassifier(java.util.HashMap classifiers,
                              int classLevels)

Method Detail

getNewLabelName

private java.lang.String getNewLabelName(java.lang.String currentClass,
                                         java.lang.String sublabel,
                                         int level)

classification

public edu.cmu.minorthird.classify.ClassLabel classification(edu.cmu.minorthird.classify.Instance instance)

Specified by:

classification in interface edu.cmu.minorthird.classify.Classifier

explain

public java.lang.String explain(edu.cmu.minorthird.classify.Instance instance)

Specified by:

explain in interface edu.cmu.minorthird.classify.Classifier

getExplanation

public edu.cmu.minorthird.classify.Explanation getExplanation(edu.cmu.minorthird.classify.Instance instance)

Specified by:

getExplanation in interface edu.cmu.minorthird.classify.Classifier

getHierarchicalClassName

public static java.lang.String getHierarchicalClassName(java.lang.String original,
                                                        int levels,
                                                        boolean useClassLevels)