Class DensityRulesClassifier

java.lang.Object

com.kohlschutter.boilerpipe.filters.english.DensityRulesClassifier

All Implemented Interfaces:

BoilerpipeFilter

public class DensityRulesClassifier
extends Object
implements BoilerpipeFilter

Classifies TextBlocks as content/not-content through rules that have been determined using the C4.8 machine learning algorithm, as described in the paper "Boilerplate Detection using Shallow Text Features", particularly using text densities and link densities.

Field Summary

Fields

Modifier and Type	Field	Description
static final DensityRulesClassifier	INSTANCE

Constructor Summary

Constructors

Constructor	Description
DensityRulesClassifier()

Method Summary

Modifier and Type	Method	Description
protected boolean	classify(TextBlock prev, TextBlock curr, TextBlock next)
static DensityRulesClassifier	getInstance()	Returns the singleton instance for RulebasedBoilerpipeClassifier.
boolean	process(TextDocument doc)	Processes the given document doc.

Methods inherited from class Object

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

Field Details

INSTANCE

public static final DensityRulesClassifier INSTANCE

Constructor Details

DensityRulesClassifier

public DensityRulesClassifier()

Method Details

getInstance

public static DensityRulesClassifier getInstance()

Returns the singleton instance for RulebasedBoilerpipeClassifier.

process

public boolean process(TextDocument doc)
                throws BoilerpipeProcessingException

Description copied from interface: BoilerpipeFilter

Processes the given document doc.

Specified by:

process in interface BoilerpipeFilter

Parameters:

doc - The TextDocument that is to be processed.

Returns:

true if changes have been made to the TextDocument.

Throws:

BoilerpipeProcessingException

classify

protected boolean classify(TextBlock prev,
 TextBlock curr,
 TextBlock next)